Rename 'einsatzverwaltung' to 'missioncontrol' + remove TODO [#25963]

37 files changed, 0 insertions, 4175 deletions

diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/ArchiveOperationController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/ArchiveOperationController.java
deleted file mode 100644
index 9ac6a1a..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/ArchiveOperationController.java
+++ /dev/null
@@ -1,213 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.OperationService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import java.io.IOException;
-import java.time.LocalDateTime;
-import java.time.ZoneOffset;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.EnumSet;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
-import java.util.stream.Collectors;
-import javafx.fxml.FXML;
-import javafx.scene.control.Label;
-import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.FlowPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class ArchiveOperationController {
-
-    private static final Logger LOG = LoggerFactory.getLogger(ArchiveOperationController.class);
-
-    @FXML private ImageView imvVehicleDetail;
-    @FXML private Label lblStatus;
-    @FXML private AnchorPane apMainDetails;
-    @FXML private Label lblOperations;
-    @FXML private Label lblCompleted;
-    @FXML private Label lblCancelled;
-    @FXML private AnchorPane backApMain;
-    @FXML private AnchorPane backApDetails;
-    @FXML private AnchorPane archiveOperationAP;
-    @FXML private AnchorPane apDetails;
-    @FXML private Label lblCodeHeader;
-    @FXML private Label lblOpCode;
-    @FXML private Label lblVehicles;
-    @FXML private Label lblDate;
-    @FXML private Label lblAddress;
-    @FXML private FlowPane fpVehicles;
-    private final OperationService operationService;
-    @FXML private FlowPane archiveOperationFlowPane;
-    private final CreateOperationController createOperationController;
-    private Set<Operation> list = new HashSet<>();
-    private final SpringFXMLLoader fxmlLoader;
-
-    public ArchiveOperationController(
-            OperationService operationService,
-            CreateOperationController createOperationController,
-            SpringFXMLLoader fxmlLoader) {
-        this.operationService = operationService;
-        this.createOperationController = createOperationController;
-        this.fxmlLoader = fxmlLoader;
-    }
-
-    @FXML
-    private void initialize() {
-        update();
-    }
-
-    public void update() {
-        archiveOperationFlowPane.getChildren().clear();
-        list.clear();
-        try {
-            list.addAll(operationService.list(EnumSet.of(Status.CANCELLED, Status.COMPLETED)));
-            long cancelledAmount = 0;
-            long completedAmount = 0;
-            for (Operation operation : list) {
-                if (operation.status() == Status.CANCELLED) cancelledAmount++;
-                else completedAmount++;
-            }
-            lblCancelled.setText("storniert: " + cancelledAmount);
-            lblCompleted.setText("abgeschlossen: " + completedAmount);
-            lblOperations.setText("Einsätze: " + list.size());
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in update().", e);
-            showServiceExceptionAlertAndWait("Die Einsätze konnten nicht geladen werden!");
-            ;
-        }
-        setFlowPane();
-    }
-
-    private void setFlowPane() {
-        try {
-            archiveOperationFlowPane.getChildren().clear();
-            for (Operation operation : sortSet(list)) {
-                OperationInArchiveController opInAController =
-                        OperationInArchiveController.create();
-                opInAController.set(operation);
-                opInAController
-                        .getRoot()
-                        .setOnMouseClicked(
-                                event -> {
-                                    detailOperation = operation;
-                                    backApMain.setVisible(false);
-                                    apMainDetails.setVisible(false);
-                                    backApDetails.setVisible(true);
-                                    setOperation();
-                                    setDetailsVisible(true);
-                                    imvVehicleDetail.setImage(new Image("/images/Vehicle.png"));
-                                });
-                archiveOperationFlowPane.getChildren().add(opInAController.getRoot());
-            }
-        } catch (IOException e) {
-            LOG.error("IOException in setFlowPane(). ", e);
-            showServiceExceptionAlertAndWait("Die Elemente konnten nicht geladen werden!");
-        }
-    }
-
-    private Operation detailOperation;
-
-    private List<Operation> sortSet(Set<Operation> operationsSet) {
-        Operation[] array = operationsSet.toArray(new Operation[operationsSet.size()]);
-        for (int i = array.length - 1; i > 0; i--) {
-            for (int j = 0; j < i; j++) {
-                LocalDateTime first =
-                        LocalDateTime.ofInstant(
-                                Objects.requireNonNull(array[j].created()), ZoneOffset.UTC);
-                LocalDateTime second =
-                        LocalDateTime.ofInstant(
-                                Objects.requireNonNull(array[j + 1].created()), ZoneOffset.UTC);
-                if (first.isBefore(second)) {
-                    Operation help = array[j];
-                    array[j] = array[j + 1];
-                    array[j + 1] = help;
-                }
-            }
-        }
-        return Arrays.asList(array);
-    }
-
-    private void setOperation() {
-        lblCodeHeader.setText(detailOperation.opCode());
-        if (detailOperation.created() != null) {
-            LocalDateTime dateTime =
-                    LocalDateTime.ofInstant(
-                            Objects.requireNonNull(detailOperation.created()), ZoneOffset.UTC);
-            lblDate.setText(
-                    "am "
-                            + dateTime.getDayOfMonth()
-                            + "."
-                            + dateTime.getMonth().getValue()
-                            + "."
-                            + dateTime.getYear());
-        } else {
-            lblDate.setText("---");
-        }
-        lblStatus.setText(
-                "Status: "
-                        + (detailOperation.status() == Status.CANCELLED
-                                ? "storniert"
-                                : "abgeschlossen"));
-        lblOpCode.setText(detailOperation.opCode());
-        Collection<String> elements =
-                detailOperation.vehicles().stream().map(Vehicle::name).collect(Collectors.toList());
-        String result = String.join(", ", elements);
-
-        lblVehicles.setText(result);
-        lblAddress.setText(detailOperation.destination());
-
-        fpVehicles.getChildren().clear();
-        try {
-            for (Vehicle vehicle : detailOperation.vehicles()) {
-                DetailArchiveOperationController controller = null;
-
-                controller = DetailArchiveOperationController.create(fxmlLoader);
-
-                controller.set(vehicle);
-                fpVehicles.getChildren().add(controller.getRoot());
-            }
-        } catch (IOException e) {
-            LOG.error("IOException in setOperation(). ", e);
-            showServiceExceptionAlertAndWait("Die Element konnte nicht geladen werden!");
-        }
-    }
-
-    private void setDetailsVisible(boolean b) {
-        apDetails.setVisible(b);
-    }
-
-    public void backClicked() {
-        LOG.debug("Hyperlink \"Zurück\" in archive detail view clicked.");
-        fpVehicles.getChildren().clear();
-        setDetailsVisible(false);
-        backApDetails.setVisible(false);
-        apMainDetails.setVisible(true);
-        backApMain.setVisible(true);
-    }
-
-    public void backToMain() {
-        LOG.debug("Hyperlink \"Zurück\" in archive main view clicked.");
-        this.setVisible(false);
-        createOperationController.setVisible(true);
-    }
-
-    void setVisible(boolean b) {
-        archiveOperationAP.setVisible(b);
-        backApMain.setVisible(b);
-        apMainDetails.setVisible(b);
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateCarController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateCarController.java
deleted file mode 100644
index 0734820..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateCarController.java
+++ /dev/null
@@ -1,231 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showSuccessAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showValidationErrorAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.ConstructionType;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.VehicleType;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.VehicleService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.io.IOException;
-import java.util.EnumSet;
-import java.util.Set;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import javafx.collections.FXCollections;
-import javafx.event.ActionEvent;
-import javafx.fxml.FXML;
-import javafx.scene.control.Button;
-import javafx.scene.control.CheckBox;
-import javafx.scene.control.ChoiceBox;
-import javafx.scene.input.MouseButton;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.FlowPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class CreateCarController {
-
-    @FXML private AnchorPane createCarAP;
-    @FXML private ChoiceBox<String> cmbCtype;
-    @FXML private ChoiceBox<String> cmbTyp;
-
-    @FXML private Button btnCreate;
-    @FXML private CheckBox cbxNEF;
-    @FXML private FlowPane fpVehicleList;
-    private final CreateOperationController createOperationController;
-
-    private static final Logger LOG = LoggerFactory.getLogger(CreateCarController.class);
-    private final VehicleService vehicleService;
-    private boolean update = false;
-    private long vid = -1;
-
-    private Vehicle chooseVehicle;
-
-    public CreateCarController(
-            CreateOperationController createOperationController, VehicleService vehicleService) {
-        this.createOperationController = createOperationController;
-        this.vehicleService = vehicleService;
-    }
-
-    @FXML
-    private void initialize() {
-        fpVehicleList.setHgap(5);
-        fpVehicleList.setVgap(5);
-
-        cmbCtype.setItems(
-                FXCollections.observableArrayList(
-                        Stream.of(
-                                        ConstructionType.NORMAL,
-                                        ConstructionType.MITTELHOCHDACH,
-                                        ConstructionType.HOCHDACH)
-                                .map(Enum::toString)
-                                .collect(Collectors.toList())));
-        cmbCtype.setValue(ConstructionType.NORMAL.toString());
-        cmbTyp.setItems(
-                FXCollections.observableArrayList(
-                        Stream.of(
-                                        VehicleType.BKTW,
-                                        VehicleType.KTW_B,
-                                        VehicleType.KTW,
-                                        VehicleType.RTW,
-                                        VehicleType.NEF,
-                                        VehicleType.NAH)
-                                .map(Enum::toString)
-                                .collect(Collectors.toList())));
-        cmbTyp.setValue(VehicleType.BKTW.toString());
-
-        updateVehiclePane();
-    }
-
-    @FXML
-    private void createCar(ActionEvent actionEvent) {
-
-        if (!update) {
-            LOG.debug("Button \"Erstellen\" clicked.");
-            Vehicle vehicle =
-                    Vehicle.builder()
-                            .constructionType(parseConstructionType())
-                            .type(parseType())
-                            .name("")
-                            .status(Status.ABGEMELDET)
-                            .hasNef(cbxNEF.isSelected())
-                            .build();
-            try {
-                vehicleService.add(vehicle);
-                setToStart();
-            } catch (InvalidVehicleException e) {
-                LOG.debug("Validation of Vehicle failed");
-                showValidationErrorAlertAndWait(e.getMessage());
-                setToStart();
-                return;
-            } catch (ServiceException e) {
-                LOG.error("ServiceException in createCar(). ", e);
-                showServiceExceptionAlertAndWait(
-                        "Ein Fehler beim Erstellen des Fahrzeuges ist aufgetreten.");
-                setToStart();
-                return;
-            }
-            showSuccessAlertAndWait("Auto wurde erfolgreich angelegt.");
-        } else {
-            LOG.debug("Button \"Speichern\" clicked.");
-            try {
-                Vehicle vehicle =
-                        Vehicle.builder()
-                                .id(vid)
-                                .constructionType(parseConstructionType())
-                                .type(parseType())
-                                .name("")
-                                .status(Status.ABGEMELDET)
-                                .hasNef(cbxNEF.isSelected())
-                                .build();
-                vehicleService.update(vehicle);
-                setToStart();
-                chooseVehicle = null;
-            } catch (InvalidVehicleException e) {
-                LOG.debug("Validation of Vehicle failed");
-                showValidationErrorAlertAndWait(e.getMessage());
-                setToStart();
-                return;
-            } catch (ServiceException e) {
-                LOG.error("ServiceException in createCar(). ", e);
-                showServiceExceptionAlertAndWait(e.getMessage());
-                setToStart();
-                return;
-            }
-            showSuccessAlertAndWait("Auto wurde erfolgreich bearbeitet.");
-        }
-
-        updateVehiclePane();
-    }
-
-    private ConstructionType parseConstructionType() {
-        if (cmbCtype.getSelectionModel().getSelectedItem() == null) {
-            return ConstructionType.NORMAL;
-        }
-        return ConstructionType.valueOf(cmbCtype.getSelectionModel().getSelectedItem());
-    }
-
-    private VehicleType parseType() {
-        if (cmbTyp.getSelectionModel().getSelectedItem() == null) {
-            return VehicleType.BKTW;
-        }
-        return VehicleType.valueOf(cmbTyp.getSelectionModel().getSelectedItem());
-    }
-
-    private void setToStart() {
-        btnCreate.setText("Erstellen");
-        cbxNEF.setSelected(false);
-        cmbTyp.setValue(VehicleType.BKTW.name());
-        cmbCtype.setValue(ConstructionType.NORMAL.name());
-        update = false;
-    }
-
-    private void updateVehicle(Vehicle vehicle) {
-
-        cmbCtype.setValue(vehicle.constructionType().name());
-        cmbTyp.setValue(vehicle.type().name());
-        cbxNEF.setSelected(vehicle.hasNef());
-        btnCreate.setText("Speichern");
-        vid = vehicle.id();
-        update = true;
-        chooseVehicle = vehicle;
-    }
-
-    public void setVisible(boolean b) {
-        createCarAP.setVisible(b);
-    }
-
-    @FXML
-    private void backToMain() {
-        LOG.debug("Hyperlink \"zurück\" clicked.");
-        this.setVisible(false);
-        createOperationController.setVisible(true);
-    }
-
-    private void updateVehiclePane() {
-        try {
-            fpVehicleList.getChildren().clear();
-
-            Set<Vehicle> vehicles;
-
-            vehicles = vehicleService.list(EnumSet.of(Status.ABGEMELDET));
-
-            for (Vehicle vehicle : vehicles) {
-                VehiclePaneController controller = VehiclePaneController.createVehiclePane();
-
-                controller.setData(vehicle, false, false);
-                controller
-                        .getRootElement()
-                        .setOnMouseClicked(
-                                event -> {
-                                    if (event.getButton().equals(MouseButton.PRIMARY)) {
-                                        if (chooseVehicle == null || vehicle == chooseVehicle) {
-                                            if (update == false) {
-                                                chooseVehicle = vehicle;
-                                                updateVehicle(vehicle);
-                                                controller.setSelected(true);
-                                            } else {
-                                                setToStart();
-                                                controller.setSelected(false);
-
-                                                chooseVehicle = null;
-                                            }
-                                        }
-                                    }
-                                });
-
-                fpVehicleList.getChildren().add(controller.getRootElement());
-            }
-        } catch (ServiceException | IOException e) {
-            LOG.error("Exception in updateVehiclePane(). ", e);
-            showServiceExceptionAlertAndWait(e.getMessage());
-        }
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateNewEmployeeController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateNewEmployeeController.java
deleted file mode 100644
index 5f0a8b2..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateNewEmployeeController.java
+++ /dev/null
@@ -1,174 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showSuccessAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showValidationErrorAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee.EducationLevel;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.EmployeeService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidEmployeeException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader.FXMLWrapper;
-import java.io.IOException;
-import java.time.LocalDate;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import javafx.collections.FXCollections;
-import javafx.fxml.FXML;
-import javafx.scene.Node;
-import javafx.scene.control.Button;
-import javafx.scene.control.CheckBox;
-import javafx.scene.control.ChoiceBox;
-import javafx.scene.control.Label;
-import javafx.scene.control.TextField;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.context.annotation.Scope;
-import org.springframework.stereotype.Controller;
-
-@Controller
-@Scope("prototype")
-public class CreateNewEmployeeController {
-
-    private static final Logger LOG = LoggerFactory.getLogger(CreateNewEmployeeController.class);
-    private final EmployeeService employeeService;
-
-    @FXML private Label lblHeader;
-    @FXML private CheckBox inputIsDriver;
-    @FXML private CheckBox inputIsPilot;
-    @FXML private TextField inputName;
-    @FXML private ChoiceBox<String> inputQualification;
-    @FXML private Button btnCreate;
-
-    private Node rootElement;
-    private Employee employee;
-    private boolean isEdit;
-
-    private Runnable consumerCancelClicked;
-    private Runnable consumerCreateClicked;
-
-    public CreateNewEmployeeController(EmployeeService employeeService) {
-        this.employeeService = employeeService;
-    }
-
-    @FXML
-    private void initialize() {
-        inputQualification.setItems(
-                FXCollections.observableArrayList(
-                        Stream.of(
-                                        EducationLevel.RS,
-                                        EducationLevel.NFS,
-                                        EducationLevel.NKV,
-                                        EducationLevel.NKA,
-                                        EducationLevel.NKI,
-                                        EducationLevel.NA)
-                                .map(Enum::toString)
-                                .collect(Collectors.toList())));
-
-        inputQualification.setValue(EducationLevel.RS.toString());
-        employee =
-                Employee.builder()
-                        .name("")
-                        .educationLevel(EducationLevel.RS)
-                        .isDriver(false)
-                        .isPilot(false)
-                        .birthday(LocalDate.MIN)
-                        .build();
-    }
-
-    @FXML
-    private void onCancelClicked() {
-        LOG.debug("Hyperlink \"abbrechen\" clicked.");
-        if (consumerCancelClicked != null) {
-            consumerCancelClicked.run();
-        }
-    }
-
-    @FXML
-    private void onCreateClicked() {
-        LOG.debug("Button {} clicked.", btnCreate.getText());
-
-        employee =
-                employee.toBuilder()
-                        .name(inputName.getText())
-                        .educationLevel(parseEducationLevel())
-                        .birthday(LocalDate.MIN) // TODO: change UI to include birthday field
-                        .isDriver(inputIsDriver.isSelected())
-                        .isPilot(inputIsPilot.isSelected())
-                        .build();
-
-        try {
-            if (isEdit) {
-                employeeService.update(employee);
-            } else {
-                employeeService.add(employee);
-            }
-        } catch (InvalidEmployeeException e) {
-            LOG.debug("Validation for Employee failed");
-            showValidationErrorAlertAndWait(e.getMessage());
-            return;
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in onCreateClicked(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Der Eintrag konnte nicht gespeichert werden. Bitte versuchen Sie es erneut.");
-            return;
-        }
-
-        showSuccessAlertAndWait(
-                "Der/die MitarbeiterIn wurde erfolgreich angelegt und gespeichert!");
-
-        if (consumerCreateClicked != null) {
-            consumerCreateClicked.run();
-        }
-    }
-
-    private EducationLevel parseEducationLevel() {
-        if (inputQualification.getSelectionModel().getSelectedItem() == null) {
-            return EducationLevel.RS;
-        }
-        return EducationLevel.valueOf(inputQualification.getSelectionModel().getSelectedItem());
-    }
-
-    private void setData(Employee employee) {
-        isEdit = true;
-        this.employee = employee;
-        inputName.setText(employee.name());
-        inputQualification.setValue(employee.educationLevel().name());
-        inputIsDriver.setSelected(employee.isDriver());
-        inputIsPilot.setSelected(employee.isPilot());
-        lblHeader.setText("Person bearbeiten");
-        btnCreate.setText("Speichern");
-    }
-
-    public static CreateNewEmployeeController createCreateNewEmployeeController(
-            SpringFXMLLoader fxmlLoader, Employee employee) throws IOException {
-        CreateNewEmployeeController controller = createCreateNewEmployeeController(fxmlLoader);
-        controller.setData(employee);
-        return controller;
-    }
-
-    public static CreateNewEmployeeController createCreateNewEmployeeController(
-            SpringFXMLLoader fxmlLoader) throws IOException {
-        FXMLWrapper<Object, CreateNewEmployeeController> wrapper =
-                fxmlLoader.loadAndWrap(
-                        "/fxml/createNewEmployee.fxml", CreateNewEmployeeController.class);
-        Node root = (Node) wrapper.getLoadedObject();
-        CreateNewEmployeeController controller = wrapper.getController();
-        controller.rootElement = root;
-        return controller;
-    }
-
-    public Node getRootElement() {
-        return rootElement;
-    }
-
-    public void setConsumerCancelClicked(Runnable consumerCancelClicked) {
-        this.consumerCancelClicked = consumerCancelClicked;
-    }
-
-    public void setConsumerCreateClicked(Runnable consumerCreateClicked) {
-        this.consumerCreateClicked = consumerCreateClicked;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateOperationController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateOperationController.java
deleted file mode 100644
index 19ed7bf..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CreateOperationController.java
+++ /dev/null
@@ -1,371 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showSuccessAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showValidationErrorAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.OperationService;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.VehicleService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidOperationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.io.IOException;
-import java.time.Instant;
-import java.time.temporal.ChronoUnit;
-import java.util.ArrayList;
-import java.util.EnumSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-import javafx.collections.FXCollections;
-import javafx.fxml.FXML;
-import javafx.scene.control.Button;
-import javafx.scene.control.ContextMenu;
-import javafx.scene.control.Label;
-import javafx.scene.control.ListCell;
-import javafx.scene.control.ListView;
-import javafx.scene.control.MenuItem;
-import javafx.scene.control.TextField;
-import javafx.scene.input.KeyCode;
-import javafx.scene.input.KeyEvent;
-import javafx.scene.input.MouseButton;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.FlowPane;
-import javafx.scene.layout.GridPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class CreateOperationController {
-
-    private static final Logger LOG = LoggerFactory.getLogger(CreateOperationController.class);
-
-    public AnchorPane apCreateOperation;
-    @FXML private GridPane grdWindowContainer;
-    @FXML private TextField txtCode;
-    @FXML private TextField txtAddress;
-    @FXML private TextField txtNote;
-    @FXML private Button btnCreateOperation;
-    @FXML private ListView<Vehicle> lvVehicles;
-    @FXML private ListView<Operation> lvActiveOperations;
-    @FXML private Label lblChosenVehicles;
-    @FXML private AnchorPane apInvisible;
-    @FXML private OperationDetailsController operationDetailsController;
-    @FXML private ManageEmployeesController manageEmployeesController;
-    @FXML private CreateCarController createCarController;
-    @FXML private RegistrationWindowController registrationWindowController;
-    @FXML private ArchiveOperationController archiveOperationController;
-    @FXML private FlowPane fpVehicles;
-
-    private LinkedList<Vehicle> chosenVehicles = new LinkedList<>();
-
-    private final OperationService operationService;
-    private final VehicleService vehicleService;
-
-    public CreateOperationController(
-            OperationService operationService, VehicleService vehicleService) {
-        this.operationService = operationService;
-        this.vehicleService = vehicleService;
-    }
-
-    @FXML
-    private void initialize() {
-
-        lblChosenVehicles.setText("keine ausgewählt");
-        lvActiveOperations.setCellFactory(param -> generateOpCodeListItem());
-
-        lvActiveOperations.setOnMouseClicked(
-                event -> {
-                    if (event.getClickCount() == 2) {
-                        if (lvActiveOperations.getSelectionModel().getSelectedItem() == null) {
-                            return;
-                        }
-                        openDetailsWindow(lvActiveOperations.getSelectionModel().getSelectedItem());
-                    }
-                });
-
-        setVisible(true);
-        createCarController.setVisible(false);
-        registrationWindowController.setVisible(false);
-    }
-
-    public void updateList() {
-        try {
-            fpVehicles.getChildren().clear();
-
-            // TODO: this should probably be handled differently
-            Set<Vehicle> vehicles;
-            if (txtCode.getText().isEmpty()) {
-                vehicles =
-                        vehicleService.list(
-                                EnumSet.complementOf(EnumSet.of(Vehicle.Status.ABGEMELDET)));
-            } else {
-                vehicles = operationService.rankVehicles(txtCode.getText());
-            }
-
-            for (Vehicle vehicle : vehicles) {
-                VehiclePaneController controller = VehiclePaneController.createVehiclePane();
-
-                controller.setData(vehicle, true, false);
-                controller
-                        .getRootElement()
-                        .setOnMouseClicked(
-                                event -> {
-                                    if (event.getButton().equals(MouseButton.SECONDARY)) {
-                                        createContextMenu(vehicle, vehicleService)
-                                                .show(
-                                                        controller.getRootElement(),
-                                                        event.getScreenX(),
-                                                        event.getScreenY());
-                                    } else {
-                                        if (chosenVehicles.contains(vehicle)) {
-                                            chosenVehicles.remove(vehicle);
-                                            controller.setSelected(false);
-                                        } else {
-                                            chosenVehicles.add(vehicle);
-                                            controller.setSelected(true);
-                                        }
-
-                                        StringBuilder result = new StringBuilder();
-                                        for (int i = 0; i < chosenVehicles.size(); i++) {
-                                            if (i == chosenVehicles.size() - 1) {
-                                                result.append(chosenVehicles.get(i).name());
-                                            } else {
-                                                result.append(chosenVehicles.get(i).name())
-                                                        .append(", ");
-                                            }
-                                        }
-                                        if (result.toString().equals("")) {
-                                            lblChosenVehicles.setText("keine ausgewählt");
-                                        } else {
-                                            lblChosenVehicles.setText(result.toString());
-                                        }
-                                    }
-                                });
-
-                if (chosenVehicles.stream().anyMatch(v -> v.id() == vehicle.id()))
-                    controller.setSelected(true);
-
-                fpVehicles.getChildren().add(controller.getRootElement());
-            }
-        } catch (ServiceException | IOException e) {
-            LOG.error("Exception in updateList(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Beim Erstellen des Ranking ist ein Fehler aufgetreten.");
-        } catch (InvalidOperationException e) {
-            LOG.debug("Validation error in updateList(). ", e);
-            showValidationErrorAlertAndWait(e.getMessage());
-        }
-        try {
-            lvActiveOperations.setItems(
-                    FXCollections.observableArrayList(
-                            operationService.list(EnumSet.of(Status.ACTIVE))));
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in updateList(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Beim Holen der aktiven Einsätze ist ein Fehler aufgetreten");
-        }
-    }
-
-    private ContextMenu createContextMenu(Vehicle data, VehicleService vehicleService) {
-        ContextMenu menu = new ContextMenu();
-
-        for (Vehicle.Status status : Vehicle.Status.values()) {
-            if (status == Vehicle.Status.ABGEMELDET) {
-                continue;
-            }
-
-            MenuItem mi = new MenuItem(status.name());
-
-            if (status == Vehicle.Status.FREI_FUNK || status == Vehicle.Status.FREI_WACHE) {
-                mi.getStyleClass().add("mi-free");
-            } else {
-                mi.getStyleClass().add("mi-other");
-            }
-
-            mi.setOnAction(
-                    event -> {
-                        try {
-                            vehicleService.update(data.toBuilder().status(status).build());
-                            this.updateList();
-                        } catch (InvalidVehicleException e) {
-                            LOG.debug(
-                                    "Validation error in createContextMenu(). (mi.setOnAction) ",
-                                    e);
-                            showValidationErrorAlertAndWait(e.getMessage());
-                        } catch (ServiceException e) {
-                            LOG.error("Exception in createContextMenu(). (mi.setOnAction) ", e);
-                            showServiceExceptionAlertAndWait(
-                                    "Beim Aktualisieren der Fahrzeuge ist ein Fehler aufgetreten.");
-                        }
-                    });
-
-            menu.getItems().add(mi);
-        }
-
-        MenuItem abmelden = new MenuItem("abmelden");
-
-        abmelden.setOnAction(
-                event -> {
-                    try {
-                        List<Registration> registrations = data.registrations();
-                        assert registrations
-                                != null; // Otherwise the element shouldn't be in the list.
-
-                        List<Registration> newRegistrations = new ArrayList<>();
-                        Instant now = Instant.now();
-
-                        for (Registration registration : registrations) {
-                            if (registration.start().isBefore(now)
-                                    && registration.end().isAfter(now)) {
-                                newRegistrations.add(
-                                        registration
-                                                .toBuilder()
-                                                .end(Instant.now().minus(1, ChronoUnit.SECONDS))
-                                                .build());
-                            } else newRegistrations.add(registration);
-                        }
-
-                        vehicleService.update(
-                                data.toBuilder()
-                                        .registrations(newRegistrations)
-                                        .status(Vehicle.Status.ABGEMELDET)
-                                        .build());
-
-                        this.updateList();
-                    } catch (InvalidVehicleException e) {
-                        LOG.debug(
-                                "Validation error in createContextMenu(). (abmelden.setOnAction) ",
-                                e);
-                        showValidationErrorAlertAndWait(e.getMessage());
-                    } catch (ServiceException e) {
-                        LOG.error("Exception in createContextMenu(). (abmelden.setOnAction) ", e);
-                        showServiceExceptionAlertAndWait(
-                                "Beim Aktualisieren der Fahrzeuge ist ein Fehler aufgetreten.");
-                    }
-                });
-
-        menu.getItems().add(abmelden);
-        return menu;
-    }
-
-    @FXML
-    protected void createOperationClicked() {
-        LOG.debug("Button \"Erstellen\" clicked.");
-        Vehicle[] vehicles = new Vehicle[chosenVehicles.size()];
-        for (int i = 0; i < chosenVehicles.size(); i++) {
-            vehicles[i] = chosenVehicles.get(i);
-        }
-        Operation operation =
-                Operation.builder()
-                        .additionalInfo(txtNote.getText())
-                        .destination(txtAddress.getText())
-                        .opCode(txtCode.getText())
-                        .status(Status.ACTIVE)
-                        .vehicles(Set.of(vehicles))
-                        .build();
-        try {
-            operationService.add(operation);
-        } catch (ServiceException e) {
-            LOG.error("Exception in createOperationClicked(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Beim Erstellen des Einsatzes ist ein Fehler aufgetreten.");
-            return;
-        } catch (InvalidOperationException e) {
-            LOG.debug("Validation error in createOperationClicked(). ", e);
-            showValidationErrorAlertAndWait(e.getMessage());
-            return;
-        }
-        showSuccessAlertAndWait("Der Einsatz wurde erfolgreich gespeichert.");
-        updateList();
-        lblChosenVehicles.setText("keine ausgewählt");
-        txtAddress.setText("");
-        txtCode.setText("");
-        txtNote.setText("");
-        chosenVehicles = new LinkedList<>();
-    }
-
-    @FXML
-    private void onRegistrationLinkClicked() {
-        LOG.debug("Hyperlink \"Anmeldungen\" clicked.");
-        openRegistrationWindow();
-    }
-
-    @FXML
-    private void onEmployeeLinkClicked() {
-        LOG.debug("Hyperlink \"Personen\" clicked.");
-        openCreateNewEmployeeWindow();
-    }
-
-    @FXML
-    private void onVehicleLinkClicked() {
-        LOG.debug("Hyperlink \"Fahrzeuge\" clicked.");
-        openCreateCarWindow();
-    }
-
-    @FXML
-    private void onArchivLinkClicked() {
-        LOG.debug("Hyperlink \"Archiv\" clicked.");
-        archiveOperationController.update();
-        openArchivWindow();
-    }
-
-    private void openArchivWindow() {
-        archiveOperationController.setVisible(true);
-        this.setVisible(false);
-    }
-
-    void setVisible(boolean b) {
-        apInvisible.setVisible(!b);
-        grdWindowContainer.setVisible(!b);
-
-        updateList();
-    }
-
-    private void openDetailsWindow(Operation operation) {
-        operationDetailsController.initOperation(operation);
-        this.setVisible(false);
-    }
-
-    private void openCreateNewEmployeeWindow() {
-        this.setVisible(false);
-        manageEmployeesController.setVisible(true);
-    }
-
-    private void openCreateCarWindow() {
-        this.setVisible(false);
-        createCarController.setVisible(true);
-    }
-
-    private void openRegistrationWindow() {
-        this.setVisible(false);
-        registrationWindowController.setVisible(true);
-    }
-
-    @FXML
-    private void onOperationCodeChanged(KeyEvent keyEvent) {
-        if (keyEvent.getCode() == KeyCode.ENTER) {
-            updateList();
-        }
-    }
-
-    static ListCell<Operation> generateOpCodeListItem() {
-        return new ListCell<>() {
-            @Override
-            protected void updateItem(Operation item, boolean empty) {
-                super.updateItem(item, empty);
-
-                if (empty || item == null || item.opCode() == null) {
-                    setText(null);
-                } else {
-                    setText(item.opCode());
-                }
-            }
-        };
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CustomListItemController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CustomListItemController.java
deleted file mode 100644
index 79cf243..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/CustomListItemController.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import javafx.scene.Node;
-
-public abstract class CustomListItemController {
-
-    protected Node rootElement;
-
-    public Node getRootElement() {
-        return rootElement;
-    }
-
-    public void setSelected(boolean selected) {
-        rootElement.getStyleClass().clear();
-
-        if (selected) {
-            rootElement.getStyleClass().add("bg-yellow");
-            rootElement.getStyleClass().add("shadowed");
-        } else {
-            rootElement.getStyleClass().add("bg-white");
-            rootElement.getStyleClass().add("shadowed");
-        }
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/DetailArchiveOperationController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/DetailArchiveOperationController.java
deleted file mode 100644
index 41bd2a6..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/DetailArchiveOperationController.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader.FXMLWrapper;
-import java.io.IOException;
-import java.util.Objects;
-import javafx.fxml.FXML;
-import javafx.scene.Node;
-import javafx.scene.layout.VBox;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class DetailArchiveOperationController {
-    private static final Logger LOG =
-            LoggerFactory.getLogger(DetailArchiveOperationController.class);
-
-    @FXML private VBox vBoxVehicle;
-    @FXML private VBox vBoxPeople;
-    private final SpringFXMLLoader fxmlLoader;
-
-    public DetailArchiveOperationController(SpringFXMLLoader fxmlLoader) {
-        this.fxmlLoader = fxmlLoader;
-    }
-
-    static DetailArchiveOperationController create(SpringFXMLLoader fxmlLoader) throws IOException {
-        FXMLWrapper<Object, DetailArchiveOperationController> wrapper =
-                fxmlLoader.loadAndWrap(
-                        "/fxml/DetailArchiveOperation.fxml",
-                        DetailArchiveOperationController.class);
-
-        Node root = (Node) wrapper.getLoadedObject();
-        DetailArchiveOperationController result = wrapper.getController();
-        result.rootElement = root;
-
-        return result;
-    }
-
-    public Node getRoot() {
-        return rootElement;
-    }
-
-    private Node rootElement;
-
-    public void set(Vehicle vehicle) {
-        VehiclePaneController controller;
-        try {
-            controller = VehiclePaneController.createVehiclePane();
-            controller.setData(vehicle, false, false);
-            vBoxVehicle.getChildren().add(controller.getRootElement());
-        } catch (IOException e) {
-            LOG.error("IOException in set(Vehicle). (vBoxVehicle) ", e);
-            showServiceExceptionAlertAndWait(
-                    "Ein interner Fehler ist aufgetreten. Bitte wenden Sie sich an den/die SystemadministratorIn.");
-        }
-        try {
-            for (int i = 0; i < Objects.requireNonNull(vehicle.registrations()).size(); i++) {
-                Employee employee =
-                        Objects.requireNonNull(vehicle.registrations()).get(i).employee();
-
-                EmployeeListItemController employeeListItemController =
-                        EmployeeListItemController.createEmployeeListItemController(
-                                fxmlLoader, employee);
-                vBoxPeople.getChildren().add(employeeListItemController.getRootElement());
-            }
-        } catch (IOException e) {
-            LOG.error("IOException in set(Vehicle). (vBoxPeople) ", e);
-            showServiceExceptionAlertAndWait(
-                    "Ein interner Fehler ist aufgetreten. Bitte wenden Sie sich an den/die SystemadministratorIn.");
-        }
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/EmployeeListController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/EmployeeListController.java
deleted file mode 100644
index 6e1159a..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/EmployeeListController.java
+++ /dev/null
@@ -1,133 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader.FXMLWrapper;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-import java.util.function.Consumer;
-import javafx.fxml.FXML;
-import javafx.geometry.Insets;
-import javafx.scene.Node;
-import javafx.scene.layout.FlowPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.context.annotation.Scope;
-import org.springframework.stereotype.Controller;
-
-@Controller
-@Scope("prototype")
-public class EmployeeListController {
-
-    private static final Logger LOG = LoggerFactory.getLogger(EmployeeListController.class);
-
-    @FXML private FlowPane flowPaneEmployeeList;
-
-    private Consumer<Employee> onEmployeeClicked;
-
-    private final SpringFXMLLoader fxmlLoader;
-    private Node rootElement;
-    private List<EmployeeListItemController> employeeListItemControllers;
-    private Insets listItemMargins = new Insets(10, 5, 0, 5);
-
-    public EmployeeListController(SpringFXMLLoader fxmlLoader) {
-        this.fxmlLoader = fxmlLoader;
-        this.employeeListItemControllers = new ArrayList<>();
-    }
-
-    public void setListItemMargins(Insets value) {
-        this.listItemMargins = value;
-    }
-
-    public void setData(Set<Employee> employeeList) {
-        setData(employeeList, null, null);
-    }
-
-    public void setData(Set<Employee> employeeList, Consumer<Employee> onEmployeeClicked) {
-        setData(employeeList, onEmployeeClicked, null);
-    }
-
-    public void setData(
-            Set<Employee> employeeList,
-            Consumer<Employee> onEmployeeClicked,
-            Consumer<EmployeeListItemController> onEmployeeListItemClicked) {
-
-        flowPaneEmployeeList.getChildren().clear();
-        employeeListItemControllers.clear();
-        employeeList.forEach(
-                employee ->
-                        addEmployeeToFlowPane(
-                                employee, onEmployeeClicked, onEmployeeListItemClicked));
-    }
-
-    private void addEmployeeToFlowPane(
-            Employee employee,
-            Consumer<Employee> onEmployeeClicked,
-            Consumer<EmployeeListItemController> onEmployeeListItemClicked) {
-
-        try {
-            EmployeeListItemController controller =
-                    EmployeeListItemController.createEmployeeListItemController(
-                            fxmlLoader, employee);
-            Node rootElement = controller.getRootElement();
-            flowPaneEmployeeList.getChildren().add(rootElement);
-            employeeListItemControllers.add(controller);
-            FlowPane.setMargin(rootElement, listItemMargins);
-            if (onEmployeeClicked != null) {
-                controller.setConsumerEmployeeClicked(onEmployeeClicked);
-            }
-            if (onEmployeeListItemClicked != null) {
-                controller.setConsumerEmployeeListItemClicked(
-                        employeeListItemController -> {
-                            onEmployeeListItemClicked.accept(employeeListItemController);
-                            if (this.onEmployeeClicked != null) {
-                                this.onEmployeeClicked.accept(
-                                        employeeListItemController.getEmployee());
-                            }
-                        });
-            }
-        } catch (IOException e) {
-            LOG.error("IOException in addEmployeeToFlowPane. ", e);
-        }
-    }
-
-    private void setEmployeeSelected(Employee employee, boolean selected) {
-        employeeListItemControllers
-                .stream()
-                .filter(controller -> controller.getEmployee().equals(employee))
-                .forEach(controller -> controller.setSelected(selected));
-    }
-
-    public void selectEmployee(Employee employee) {
-        setEmployeeSelected(employee, true);
-    }
-
-    public void deselectEmployee(Employee employee) {
-        setEmployeeSelected(employee, false);
-    }
-
-    public void deselectAllEmployees() {
-        employeeListItemControllers.forEach(
-                employeeListItemController -> employeeListItemController.setSelected(false));
-    }
-
-    public static EmployeeListController createEmployeeListController(SpringFXMLLoader loader)
-            throws IOException {
-        FXMLWrapper<Object, EmployeeListController> wrapper =
-                loader.loadAndWrap("/fxml/employeeList.fxml", EmployeeListController.class);
-        Node root = (Node) wrapper.getLoadedObject();
-        EmployeeListController controller = wrapper.getController();
-        controller.rootElement = root;
-        return controller;
-    }
-
-    public Node getRootElement() {
-        return rootElement;
-    }
-
-    public void setOnEmployeeClicked(Consumer<Employee> onEmployeeClicked) {
-        this.onEmployeeClicked = onEmployeeClicked;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/EmployeeListItemController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/EmployeeListItemController.java
deleted file mode 100644
index 7b5910a..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/EmployeeListItemController.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader.FXMLWrapper;
-import java.io.IOException;
-import java.util.function.Consumer;
-import javafx.fxml.FXML;
-import javafx.scene.Node;
-import javafx.scene.control.Label;
-import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
-import org.springframework.context.annotation.Scope;
-import org.springframework.stereotype.Controller;
-
-@Controller
-@Scope("prototype")
-public class EmployeeListItemController extends CustomListItemController {
-
-    @FXML private Label lblName;
-    @FXML private Label lblQualification;
-    @FXML private Label lblPilot;
-    @FXML private Label lblDriver;
-    @FXML private ImageView imgPilot;
-    @FXML private ImageView imgDriver;
-    @FXML private ImageView imgQualification;
-
-    private Employee employee;
-
-    private Consumer<Employee> consumerEmployeeClicked;
-    private Consumer<EmployeeListItemController> consumerEmployeeListItemClicked;
-
-    @FXML
-    private void onEmployeeClicked() {
-        if (consumerEmployeeClicked != null) {
-            consumerEmployeeClicked.accept(employee);
-        }
-        if (consumerEmployeeListItemClicked != null) {
-            consumerEmployeeListItemClicked.accept(this);
-        }
-    }
-
-    private void setData(Employee employee) {
-        this.employee = employee;
-        lblName.setText(employee.name());
-        lblQualification.setText(employee.educationLevel().name());
-        lblPilot.setText(String.format("%s Pilot", employee.isPilot() ? "ist" : "nicht"));
-        lblDriver.setText(String.format("%s Fahrer", employee.isDriver() ? "ist" : "nicht"));
-        imgQualification.setImage(new Image("/images/Qualification.png"));
-        String imgSrcPilot =
-                String.format("/images/%s", employee.isPilot() ? "Pilot.png" : "NotPilot.png");
-        imgPilot.setImage(new Image(imgSrcPilot));
-        String imgSrcDriver =
-                String.format("/images/%s", employee.isDriver() ? "Driver.png" : "NotDriver.png");
-        imgDriver.setImage(new Image(imgSrcDriver));
-    }
-
-    public static EmployeeListItemController createEmployeeListItemController(
-            SpringFXMLLoader fxmlLoader, Employee employee) throws IOException {
-        EmployeeListItemController controller = createEmployeeListItemController(fxmlLoader);
-        controller.setData(employee);
-        return controller;
-    }
-
-    public static EmployeeListItemController createEmployeeListItemController(
-            SpringFXMLLoader loader) throws IOException {
-        FXMLWrapper<Object, EmployeeListItemController> wrapper =
-                loader.loadAndWrap("/fxml/employeeListItem.fxml", EmployeeListItemController.class);
-        Node root = (Node) wrapper.getLoadedObject();
-        EmployeeListItemController controller = wrapper.getController();
-        controller.rootElement = root;
-        return controller;
-    }
-
-    public Employee getEmployee() {
-        return employee;
-    }
-
-    public void setConsumerEmployeeClicked(Consumer<Employee> consumerEmployeeClicked) {
-        this.consumerEmployeeClicked = consumerEmployeeClicked;
-    }
-
-    public void setConsumerEmployeeListItemClicked(
-            Consumer<EmployeeListItemController> consumerEmployeeListItemClicked) {
-        this.consumerEmployeeListItemClicked = consumerEmployeeListItemClicked;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/FilterEmployeesController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/FilterEmployeesController.java
deleted file mode 100644
index a1d1f70..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/FilterEmployeesController.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader.FXMLWrapper;
-import java.io.IOException;
-import java.util.function.Consumer;
-import javafx.fxml.FXML;
-import javafx.scene.Node;
-import javafx.scene.control.TextField;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.context.annotation.Scope;
-import org.springframework.stereotype.Controller;
-
-@Controller
-@Scope("prototype")
-public class FilterEmployeesController {
-    private static final Logger LOG = LoggerFactory.getLogger(FilterEmployeesController.class);
-
-    @FXML private TextField inputFilterString;
-
-    private Consumer<String> consumerFilterTextChanged;
-    private Runnable consumerAddEmployeeClicked;
-
-    private Node rootElement;
-
-    @FXML
-    private void onAddEmployeeClicked() {
-        LOG.debug("Button \"Person hinzufügen\" clicked.");
-        if (consumerAddEmployeeClicked != null) {
-            consumerAddEmployeeClicked.run();
-        }
-    }
-
-    @FXML
-    private void onFilterTextChanged() {
-        LOG.debug("Filter text changed.");
-        if (consumerFilterTextChanged != null) {
-            consumerFilterTextChanged.accept(inputFilterString.getText());
-        }
-    }
-
-    public void setOnFilterTextChangedListener(Consumer<String> callback) {
-        this.consumerFilterTextChanged = callback;
-    }
-
-    public void setOnAddEmployeeClickedListener(Runnable callback) {
-        this.consumerAddEmployeeClicked = callback;
-    }
-
-    public static FilterEmployeesController createFilterEmployeesController(
-            SpringFXMLLoader fxmlLoader) throws IOException {
-        FXMLWrapper<Object, FilterEmployeesController> wrapper =
-                fxmlLoader.loadAndWrap(
-                        "/fxml/filterEmployeesControl.fxml", FilterEmployeesController.class);
-        Node root = (Node) wrapper.getLoadedObject();
-        FilterEmployeesController controller = wrapper.getController();
-        controller.rootElement = root;
-        return controller;
-    }
-
-    public Node getRootElement() {
-        return rootElement;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/Helper.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/Helper.java
deleted file mode 100644
index 694c804..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/Helper.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import javafx.scene.control.Alert;
-import javafx.scene.control.Alert.AlertType;
-import javafx.scene.control.ButtonType;
-
-public class Helper {
-
-    static final String ALERT_TITLE_VALIDATION_ERROR = "Validierungsfehler";
-    static final String ALERT_TITLE_SERVICE_EXCEPTION = "Fehler";
-    static final String ALERT_TITLE_SUCCESS = "Erfolg";
-
-    private Helper() {} // SonarLint insisted to create a private constructor to hide the public one
-
-    static void showValidationErrorAlertAndWait(String message) {
-        showAlertWithOkButtonAndWait(AlertType.ERROR, ALERT_TITLE_VALIDATION_ERROR, message);
-    }
-
-    static void showServiceExceptionAlertAndWait(String message) {
-        showAlertWithOkButtonAndWait(AlertType.ERROR, ALERT_TITLE_SERVICE_EXCEPTION, message);
-    }
-
-    static void showSuccessAlertAndWait(String message) {
-        showAlertWithOkButtonAndWait(AlertType.INFORMATION, ALERT_TITLE_SUCCESS, message);
-    }
-
-    static void showAlertWithOkButtonAndWait(
-            AlertType alertType, String headerText, String contentText) {
-        Alert alert = new Alert(alertType, contentText, ButtonType.OK);
-        alert.setTitle(headerText);
-        alert.setHeaderText(headerText);
-        alert.showAndWait();
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/ManageEmployeesController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/ManageEmployeesController.java
deleted file mode 100644
index 3aaf040..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/ManageEmployeesController.java
+++ /dev/null
@@ -1,120 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.EmployeeService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import java.io.IOException;
-import java.util.HashSet;
-import java.util.stream.Collectors;
-import javafx.fxml.FXML;
-import javafx.scene.layout.AnchorPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class ManageEmployeesController {
-
-    private static final Logger LOG = LoggerFactory.getLogger(ManageEmployeesController.class);
-    @FXML private AnchorPane listEmployeesAP;
-    @FXML private AnchorPane containerHeader;
-    @FXML private EmployeeListController employeeListController;
-
-    private final EmployeeService employeeService;
-    private final SpringFXMLLoader fxmlLoader;
-
-    private final CreateOperationController createOperationController;
-
-    public ManageEmployeesController(
-            EmployeeService employeeService,
-            SpringFXMLLoader fxmlLoader,
-            CreateOperationController createOperationController) {
-        this.employeeService = employeeService;
-        this.fxmlLoader = fxmlLoader;
-        this.createOperationController = createOperationController;
-    }
-
-    @FXML
-    private void initialize() {
-        openFilter();
-    }
-
-    private void openFilter() {
-        try {
-            FilterEmployeesController filterEmployeesController =
-                    FilterEmployeesController.createFilterEmployeesController(fxmlLoader);
-            containerHeader.getChildren().clear();
-            containerHeader.getChildren().add(filterEmployeesController.getRootElement());
-            filterEmployeesController.setOnFilterTextChangedListener(this::updateEmployeeList);
-            filterEmployeesController.setOnAddEmployeeClickedListener(this::openAddEmployee);
-            updateEmployeeList();
-
-        } catch (IOException e) {
-            LOG.error("IOException in openFilter().", e);
-        }
-    }
-
-    private void openAddEmployee() {
-        employeeListController.deselectAllEmployees();
-        openEmployee(null);
-    }
-
-    private void openEditEmployee(Employee employee) {
-        employeeListController.deselectAllEmployees();
-        employeeListController.selectEmployee(employee);
-        openEmployee(employee);
-    }
-
-    private void openEmployee(Employee employee) {
-        try {
-            CreateNewEmployeeController createNewEmployeeController =
-                    employee == null
-                            ? CreateNewEmployeeController.createCreateNewEmployeeController(
-                                    fxmlLoader)
-                            : CreateNewEmployeeController.createCreateNewEmployeeController(
-                                    fxmlLoader, employee);
-            containerHeader.getChildren().clear();
-            containerHeader.getChildren().add(createNewEmployeeController.getRootElement());
-            createNewEmployeeController.setConsumerCancelClicked(this::openFilter);
-            createNewEmployeeController.setConsumerCreateClicked(this::openFilter);
-        } catch (IOException e) {
-            LOG.error("IOException in openEmployee(). ", e);
-        }
-    }
-
-    private void updateEmployeeList() {
-        updateEmployeeList("");
-    }
-
-    private void updateEmployeeList(String searchString) {
-
-        try {
-            employeeListController.setData(
-                    employeeService
-                            .list()
-                            .stream()
-                            .filter(
-                                    employee ->
-                                            searchString.trim().isEmpty()
-                                                    || employee.name()
-                                                            .toLowerCase()
-                                                            .contains(searchString.toLowerCase()))
-                            .collect(Collectors.toCollection(HashSet::new)),
-                    this::openEditEmployee);
-
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in updateEmployeeList(). ", e);
-        }
-    }
-
-    public void setVisible(boolean b) {
-        listEmployeesAP.setVisible(b);
-    }
-
-    public void backToMain() {
-        LOG.debug("Hyperlink \"Zurück\" clicked.");
-        this.setVisible(false);
-        createOperationController.setVisible(true);
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/OperationDetailsController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/OperationDetailsController.java
deleted file mode 100644
index c0c68f3..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/OperationDetailsController.java
+++ /dev/null
@@ -1,169 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showAlertWithOkButtonAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showSuccessAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showValidationErrorAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.OperationService;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.VehicleService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidOperationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.EnumSet;
-import java.util.Set;
-import java.util.stream.Collectors;
-import javafx.collections.FXCollections;
-import javafx.fxml.FXML;
-import javafx.scene.control.Alert.AlertType;
-import javafx.scene.control.Button;
-import javafx.scene.control.Label;
-import javafx.scene.control.ListView;
-import javafx.scene.layout.AnchorPane;
-import javafx.scene.layout.FlowPane;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class OperationDetailsController {
-    private static final Logger LOG = LoggerFactory.getLogger(OperationDetailsController.class);
-
-    public Operation operation;
-    private final OperationService operationService;
-    private final VehicleService vehicleService;
-    private final CreateOperationController createOperationController;
-    @FXML private FlowPane fpVehicles;
-    @FXML private ListView<Operation> lvActiveOperations;
-    @FXML private Label lblChosenVehicles;
-    @FXML private Button btnCloseOperation;
-    @FXML private Button btnCancelOperation;
-    @FXML private Label lblCode, lblAdditionalInfo, lblAddress;
-    @FXML private AnchorPane operationDetailsAP;
-
-    public OperationDetailsController(
-            OperationService operationService,
-            VehicleService vehicleService,
-            CreateOperationController createOperationController) {
-        this.operationService = operationService;
-        this.vehicleService = vehicleService;
-        this.createOperationController = createOperationController;
-    }
-
-    @FXML
-    private void initialize() {
-        lvActiveOperations.setCellFactory(
-                param -> CreateOperationController.generateOpCodeListItem());
-        lvActiveOperations.setOnMouseClicked(
-                event -> {
-                    if (event.getClickCount() == 2) {
-                        if (lvActiveOperations.getSelectionModel().getSelectedItem() == null) {
-                            return;
-                        }
-                        initOperation(lvActiveOperations.getSelectionModel().getSelectedItem());
-                    }
-                });
-    }
-
-    private void updateFlowPane() {
-        try {
-            fpVehicles.getChildren().clear();
-            for (Vehicle vehicle : operation.vehicles()) {
-                VehiclePaneController controller = VehiclePaneController.createVehiclePane();
-                controller.setData(vehicle, true, true);
-                controller.getBtnRequest().setOnAction(e -> requestVehicleClicked(controller));
-                fpVehicles.getChildren().add(controller.getRootElement());
-            }
-        } catch (IOException e) {
-            LOG.error("Error while updating list.", e);
-            showServiceExceptionAlertAndWait("Error while updating list.");
-        }
-    }
-
-    void initOperation(Operation operation) {
-        fillActiveList();
-        this.operation = operation;
-        lblCode.setText(operation.opCode());
-        Collection<String> vehicleNames =
-                operation.vehicles().stream().map(Vehicle::name).collect(Collectors.toList());
-        String result = String.join(", ", vehicleNames);
-        lblChosenVehicles.setText(result.toString());
-        lblAdditionalInfo.setText(operation.additionalInfo());
-        lblAddress.setText(operation.destination());
-        updateFlowPane();
-        operationDetailsAP.setVisible(true);
-    }
-
-    private void fillActiveList() {
-        try {
-            lvActiveOperations.setItems(
-                    FXCollections.observableArrayList(
-                            operationService.list(EnumSet.of(Status.ACTIVE))));
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in fillActiveList(). ", e);
-            showServiceExceptionAlertAndWait(e.getMessage());
-        }
-    }
-
-    @FXML
-    public void closeOperationClicked() {
-        LOG.debug("Button \"Abschließen\" clicked.");
-        try {
-            operationService.complete(operation.id(), Status.COMPLETED);
-        } catch (InvalidOperationException e) {
-            LOG.debug("Validation error in closeOperationClicked(). ", e);
-            showAlertWithOkButtonAndWait(AlertType.ERROR, "Validierungsfehler", e.getMessage());
-            return;
-        } catch (ServiceException e) {
-            LOG.error("Exception in closeOperationClicked(). ", e);
-            showServiceExceptionAlertAndWait(e.getMessage());
-            return;
-        }
-        showSuccessAlertAndWait("Der Einsatz wurde erfolgreich aktualisiert");
-        createOperationController.updateList();
-        closeWindow();
-    }
-
-    public void cancelOperationClicked() {
-        LOG.debug("Button \"Stornieren\" clicked.");
-        try {
-            operationService.complete(operation.id(), Status.CANCELLED);
-        } catch (InvalidOperationException e) {
-            LOG.debug("Validation error in cancelOperationClicked(). ", e);
-            showValidationErrorAlertAndWait(e.getMessage());
-            return;
-        } catch (ServiceException e) {
-            LOG.error("Exception in cancelOperationClicked(). ", e);
-            showServiceExceptionAlertAndWait(e.getMessage());
-            return;
-        }
-        showSuccessAlertAndWait("Der Einsatz wurde erfolgreich aktualisiert");
-        createOperationController.updateList();
-        closeWindow();
-    }
-
-    private void requestVehicleClicked(VehiclePaneController v) {
-        LOG.debug("Button \"Nachfordern\" clicked.");
-
-        try {
-            operationService.requestVehicles(operation.id(), Set.of(v.getData().id()));
-        } catch (ServiceException | InvalidOperationException | InvalidVehicleException e) {
-            LOG.error("Exception in requestVehicleClicked()", e);
-            showServiceExceptionAlertAndWait(e.getMessage());
-            return;
-        }
-        showSuccessAlertAndWait("Das Fahrzeug wurde erfolgreich angefordert");
-        createOperationController.updateList();
-    }
-
-    public void closeWindow() {
-        LOG.debug("Hyperlink \"Zurück\" clicked.");
-        operationDetailsAP.setVisible(false);
-        this.createOperationController.setVisible(true);
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/OperationInArchiveController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/OperationInArchiveController.java
deleted file mode 100644
index d1b325c..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/OperationInArchiveController.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import java.io.IOException;
-import java.time.LocalDateTime;
-import java.time.ZoneOffset;
-import java.util.Collection;
-import java.util.Objects;
-import java.util.stream.Collectors;
-import javafx.fxml.FXML;
-import javafx.fxml.FXMLLoader;
-import javafx.scene.Node;
-import javafx.scene.text.Text;
-
-public class OperationInArchiveController {
-
-    @FXML private Text txtAddress;
-    @FXML private Text txtVehicles;
-    @FXML private Text txtDate;
-    @FXML private Text txtOpCode;
-
-    static OperationInArchiveController create() throws IOException {
-        FXMLLoader fxmlLoader =
-                new FXMLLoader(
-                        OperationInArchiveController.class.getResource(
-                                "/fxml/OperationInArchive.fxml"));
-        Node root = fxmlLoader.load();
-        OperationInArchiveController result = fxmlLoader.getController();
-        result.rootElement = root;
-
-        return result;
-    }
-
-    public Node getRoot() {
-        return rootElement;
-    }
-
-    private Node rootElement;
-
-    public void set(Operation operation) {
-        txtAddress.setText(operation.destination());
-        String date = "am ";
-        if (operation.created() != null) {
-            LocalDateTime myDateTime =
-                    LocalDateTime.ofInstant(
-                            Objects.requireNonNull(operation.created()), ZoneOffset.UTC);
-            date +=
-                    myDateTime.getDayOfMonth()
-                            + "."
-                            + myDateTime.getMonth().getValue()
-                            + "."
-                            + myDateTime.getYear();
-            txtDate.setText(date);
-        } else {
-            txtDate.setText("---");
-        }
-        txtOpCode.setText(operation.opCode());
-        Collection<String> elements =
-                operation.vehicles().stream().map(Vehicle::name).collect(Collectors.toList());
-        String result = String.join(", ", elements);
-
-        txtVehicles.setText(result);
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/RegistrationWindowController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/RegistrationWindowController.java
deleted file mode 100644
index ed5a12d..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/RegistrationWindowController.java
+++ /dev/null
@@ -1,279 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showServiceExceptionAlertAndWait;
-import static at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller.Helper.showValidationErrorAlertAndWait;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.EmployeeService;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.RegistrationService;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service.VehicleService;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidRegistrationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.SpringFXMLLoader;
-import java.io.IOException;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.time.LocalTime;
-import java.time.OffsetDateTime;
-import java.util.EnumSet;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-import java.util.stream.Collectors;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
-import javafx.fxml.FXML;
-import javafx.geometry.Insets;
-import javafx.scene.Node;
-import javafx.scene.control.ChoiceBox;
-import javafx.scene.control.Label;
-import javafx.scene.control.ScrollPane;
-import javafx.scene.control.TextField;
-import javafx.scene.input.KeyEvent;
-import javafx.scene.input.MouseButton;
-import javafx.scene.layout.GridPane;
-import javafx.scene.layout.VBox;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-
-@Controller
-public class RegistrationWindowController {
-
-    private static final Logger LOG = LoggerFactory.getLogger(RegistrationWindowController.class);
-
-    private final EmployeeService employeeService;
-    private final VehicleService vehicleService;
-    private final RegistrationService registrationService;
-    private final CreateOperationController createOperationController;
-    private final SpringFXMLLoader fxmlLoader;
-
-    @FXML private GridPane root;
-    @FXML private VBox vbVehicles;
-    @FXML private ScrollPane listEmployee;
-    @FXML private ChoiceBox<Integer> cbStart;
-    @FXML private ChoiceBox<Integer> cbEnd;
-    @FXML private Label lVehicles;
-    @FXML private Label lEmployees;
-    @FXML private TextField tfVehicleSearch;
-    @FXML private TextField tfEmployeeSearch;
-    private EmployeeListController employeeListController;
-
-    private Vehicle chosenVehicle;
-    private List<Employee> chosenEmployees = new LinkedList<>();
-
-    public RegistrationWindowController(
-            EmployeeService employeeService,
-            VehicleService vehicleService,
-            CreateOperationController createOperationController,
-            RegistrationService registrationService,
-            SpringFXMLLoader fxmlLoader) {
-        this.employeeService = employeeService;
-        this.vehicleService = vehicleService;
-        this.createOperationController = createOperationController;
-        this.registrationService = registrationService;
-        this.fxmlLoader = fxmlLoader;
-    }
-
-    @FXML
-    private void initialize() throws IOException {
-        employeeListController = EmployeeListController.createEmployeeListController(fxmlLoader);
-        employeeListController.setListItemMargins(new Insets(10, 6, 0, 6));
-        //        listEmployee. .getChildren().add(employeeListController.getRootElement());
-        Node emplList = employeeListController.getRootElement();
-        //        emplList.(360);
-        listEmployee.setContent(emplList);
-
-        ObservableList<Integer> hours =
-                FXCollections.observableArrayList(
-                        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
-                        21, 22, 23);
-        cbStart.setItems(hours);
-        cbStart.setValue(0);
-        cbEnd.setItems(hours);
-        cbEnd.setValue(12);
-
-        reset();
-    }
-
-    private void updateEmplList() {
-        employeeListController.deselectAllEmployees();
-
-        try {
-            Set<Employee> employees =
-                    employeeService
-                            .list()
-                            .stream()
-                            .filter(
-                                    e ->
-                                            e.name()
-                                                    .toLowerCase()
-                                                    .contains(
-                                                            tfEmployeeSearch
-                                                                    .getText()
-                                                                    .toLowerCase()))
-                            .collect(Collectors.toCollection(HashSet::new));
-            employeeListController.setData(
-                    employees,
-                    selection -> {
-                        if (selection == null) {
-                            return;
-                        } else if (chosenEmployees.contains(selection)) {
-                            chosenEmployees.remove(selection);
-                        } else {
-                            chosenEmployees.add(selection);
-                        }
-
-                        StringBuilder text = new StringBuilder();
-                        boolean first = true;
-                        for (Employee employee : chosenEmployees) {
-                            if (!first) {
-                                text.append(", ");
-                            }
-                            text.append(employee.name());
-                            first = false;
-                        }
-                        lEmployees.setText(text.toString());
-                    },
-                    contr -> contr.setSelected(chosenEmployees.contains(contr.getEmployee())));
-
-            employees.forEach(
-                    e -> {
-                        if (chosenEmployees.contains(e)) employeeListController.selectEmployee(e);
-                    });
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in updateEmplList(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Beim Auflisten des Personals ist ein Fehler aufgetreten.");
-        }
-    }
-
-    private void updateVehList() {
-        vbVehicles.getChildren().clear();
-
-        try {
-            Set<Vehicle> vehicles = vehicleService.list(EnumSet.of(Status.ABGEMELDET));
-
-            boolean anyMatch = false;
-
-            for (Vehicle vehicle : vehicles) {
-                if (!vehicle.name().toLowerCase().contains(tfVehicleSearch.getText().toLowerCase()))
-                    continue;
-
-                anyMatch = true;
-
-                VehiclePaneController vp = VehiclePaneController.createVehiclePane();
-                vp.setData(vehicle, false, false);
-                vbVehicles.getChildren().add(vp.getRootElement());
-
-                vp.getRootElement()
-                        .setOnMouseClicked(
-                                event -> {
-                                    if (event.getButton() == MouseButton.PRIMARY) {
-                                        chosenVehicle = vehicle;
-                                        lVehicles.setText(chosenVehicle.name());
-                                        updateVehList();
-                                    }
-                                });
-                if (chosenVehicle != null && chosenVehicle.id() == vehicle.id())
-                    vp.setSelected(true);
-            }
-
-            if (!anyMatch) {
-                // Kind of ugly, but best way to get the size of a VehiclePane
-                VehiclePaneController vp = VehiclePaneController.createVehiclePane();
-                vp.getRootElement().setVisible(false);
-                vbVehicles.getChildren().add(vp.getRootElement());
-            }
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in updateVehList(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Beim Auflisten der Fahrzeuge ist ein Fehler aufgetreten");
-        } catch (IOException e) {
-            LOG.error("IOException in updateVehList(). ", e);
-            showServiceExceptionAlertAndWait("Beim Laden der Fahrzeuge ist ein Fehler aufgetreten");
-        }
-    }
-
-    public void cancel() {
-        LOG.debug("Hyperlink \"schließen\" clicked");
-        reset();
-        this.setVisible(false);
-        createOperationController.setVisible(true);
-    }
-
-    private void reset() {
-        chosenEmployees.clear();
-        chosenVehicle = null;
-        tfEmployeeSearch.setText("");
-        tfVehicleSearch.setText("");
-        lEmployees.setText("-");
-        lVehicles.setText("-");
-        updateVehList();
-        updateEmplList();
-    }
-
-    public void create() {
-        LOG.debug("Button \"ERSTELLEN\" clicked");
-
-        Set<Registration> registrations = new HashSet<>();
-        try {
-            if (chosenVehicle == null) {
-                throw new InvalidVehicleException("no Vehicle");
-            }
-            for (Employee employee : chosenEmployees) {
-                registrations.add(
-                        Registration.builder()
-                                .id(chosenVehicle.id())
-                                .employee(employee)
-                                .start(
-                                        LocalDateTime.of(
-                                                        LocalDate.now(),
-                                                        LocalTime.of(cbStart.getValue(), 0))
-                                                .toInstant(OffsetDateTime.now().getOffset()))
-                                .end(
-                                        LocalDateTime.of(
-                                                        LocalDate.now(),
-                                                        LocalTime.of(cbEnd.getValue(), 0))
-                                                .toInstant(OffsetDateTime.now().getOffset()))
-                                .build());
-            }
-
-            registrationService.add(chosenVehicle.id(), registrations);
-            chosenEmployees.clear();
-            // ((Stage) lVehicles.getScene().getWindow()).close();
-            this.setVisible(false);
-            createOperationController.setVisible(true);
-            reset();
-        } catch (InvalidVehicleException e) {
-            LOG.debug("Validation of Vehicle in Registration failed.");
-            showValidationErrorAlertAndWait("Das spezifizierte Fahrzeug ist nicht gültig.");
-        } catch (ServiceException e) {
-            LOG.error("ServiceException in create(). ", e);
-            showServiceExceptionAlertAndWait(
-                    "Beim Erstellen der Anmeldung ist ein Fehler aufgetreten.");
-        } catch (InvalidRegistrationException e) {
-            LOG.debug("Validation of Registration failed.");
-            showValidationErrorAlertAndWait(
-                    "Die gewählte Kombination von Fahrzeug und Personal ist nicht gültig!");
-        }
-    }
-
-    public void setVisible(boolean b) {
-        root.setVisible(b);
-        reset();
-    }
-
-    public void tfVehicleSearch_TextChanged(KeyEvent keyEvent) {
-        updateVehList();
-    }
-
-    public void tfEmployeeSearch_TextChanged(KeyEvent keyEvent) {
-        updateEmplList();
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/VehiclePaneController.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/VehiclePaneController.java
deleted file mode 100644
index b31228d..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/controller/VehiclePaneController.java
+++ /dev/null
@@ -1,118 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.controller;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee.EducationLevel;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.Status;
-import java.io.IOException;
-import java.time.Instant;
-import java.util.List;
-import java.util.Optional;
-import javafx.fxml.FXML;
-import javafx.fxml.FXMLLoader;
-import javafx.scene.Node;
-import javafx.scene.control.Button;
-import javafx.scene.control.Label;
-import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
-import javafx.scene.text.Text;
-
-public class VehiclePaneController extends CustomListItemController {
-
-    public static VehiclePaneController createVehiclePane() throws IOException {
-        FXMLLoader fxmlLoader =
-                new FXMLLoader(VehiclePaneController.class.getResource("/fxml/vehiclePane.fxml"));
-        Node root = fxmlLoader.load();
-        VehiclePaneController result = fxmlLoader.getController();
-        result.rootElement = root;
-
-        return result;
-    }
-
-    @FXML private Label txtStatus;
-    @FXML private Text txtType;
-    @FXML private Text txtNumber;
-    @FXML private ImageView ivNEF;
-    @FXML private Text txtNEF;
-    @FXML private ImageView ivQualification;
-    @FXML private Text txtQualification;
-    @FXML private Text txtRooftype;
-    @FXML private Button btnRequest;
-
-    private Vehicle data;
-
-    public Vehicle getData() {
-        return data;
-    }
-
-    /**
-     * * Set the displayed data of this VehiclePane.
-     *
-     * @param vehicle The data to display.
-     * @param showStatusInfo If true, the highest qualification of the vehicle's active registration
-     *     and the vehicle's status will be shown.
-     */
-    public void setData(Vehicle vehicle, boolean showStatusInfo, boolean showRequestVehicle) {
-        txtType.setText(vehicle.type().name());
-        String constrType = vehicle.constructionType().name();
-        txtRooftype.setText(
-                constrType.substring(0, 1).toUpperCase() + constrType.substring(1).toLowerCase());
-        txtNumber.setText("-" + vehicle.id());
-        if (vehicle.hasNef()) {
-            ivNEF.setImage(new Image("images/NEF.png"));
-            txtNEF.setText("hat NEF-Halterung");
-        } else {
-            ivNEF.setImage(new Image("images/NotNEF.png"));
-            txtNEF.setText("keine NEF-Halterung");
-        }
-
-        if (showRequestVehicle) {
-            btnRequest.setVisible(true);
-            btnRequest.setManaged(true);
-        } else {
-            btnRequest.setVisible(false);
-            btnRequest.setManaged(false);
-        }
-
-        if (showStatusInfo) {
-            txtStatus.setText(vehicle.status().name());
-            if (vehicle.status() == Status.FREI_FUNK || vehicle.status() == Status.FREI_WACHE) {
-                txtStatus.getStyleClass().add("bg-status-green");
-            } else {
-                txtStatus.getStyleClass().add("bg-status-orange");
-            }
-
-            Instant now = Instant.now();
-            List<Registration> regs = vehicle.registrations();
-
-            if (regs == null) {
-                return;
-            }
-
-            Optional<EducationLevel> edu =
-                    regs.stream()
-                            .filter(reg -> reg.start().isBefore(now) && reg.end().isAfter(now))
-                            .map(reg -> reg.employee().educationLevel())
-                            .max(EducationLevel::compareTo);
-
-            if (!edu.isPresent()) {
-                return;
-            }
-
-            txtQualification.setText(edu.get().name());
-        } else {
-            txtQualification.setVisible(false);
-            txtQualification.setManaged(false);
-            ivQualification.setVisible(false);
-            ivQualification.setManaged(false);
-
-            txtStatus.setVisible(false);
-        }
-
-        this.data = vehicle;
-    }
-
-    public Button getBtnRequest() {
-        return btnRequest;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/EmployeeDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/EmployeeDAO.java
deleted file mode 100644
index 539a8e5..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/EmployeeDAO.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import java.util.Set;
-
-public interface EmployeeDAO {
-
-    /**
-     * Persist the given employee.
-     *
-     * @param employee that should be stored
-     * @return the id that was assigned
-     * @throws PersistenceException if the employee could not be persisted
-     */
-    long add(Employee employee) throws PersistenceException;
-
-    /**
-     * Update the given employee.
-     *
-     * @param employee that should be updated
-     * @throws ElementNotFoundException if no employee with the given id exists
-     * @throws PersistenceException if the employee could not be updated
-     */
-    void update(Employee employee) throws ElementNotFoundException, PersistenceException;
-
-    /**
-     * Get all stored employees.
-     *
-     * @return list containing all stored employees
-     * @throws PersistenceException if loading the stored employees failed
-     */
-    Set<Employee> list() throws PersistenceException;
-
-    /**
-     * Remove employee with the given id from the store.
-     *
-     * @param id of the employee that should be removed
-     * @throws ElementNotFoundException if no employee with the given id exists
-     * @throws PersistenceException if the employee could not be removed
-     */
-    void remove(long id) throws ElementNotFoundException, PersistenceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/EmployeeDatabaseDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/EmployeeDatabaseDAO.java
deleted file mode 100644
index 1d8286b..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/EmployeeDatabaseDAO.java
+++ /dev/null
@@ -1,144 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee.EducationLevel;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.JDBCConnectionManager;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.time.LocalDate;
-import java.util.HashSet;
-import java.util.Set;
-import org.springframework.stereotype.Repository;
-
-@Repository
-public class EmployeeDatabaseDAO implements EmployeeDAO {
-
-    private JDBCConnectionManager jdbcConnectionManager;
-
-    public EmployeeDatabaseDAO(JDBCConnectionManager jdbcConnectionManager) {
-        this.jdbcConnectionManager = jdbcConnectionManager;
-    }
-
-    private long createEmployeeVersion(Connection con, Employee e)
-            throws PersistenceException, SQLException {
-        String sql =
-                "INSERT INTO EmployeeVersion(name, birthday, educationLevel, isDriver, isPilot) "
-                        + "VALUES(?, ?, ?, ?, ?)";
-
-        try (PreparedStatement pstmt = con.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
-            pstmt.setString(1, e.name());
-            pstmt.setObject(2, e.birthday());
-            pstmt.setInt(3, e.educationLevel().ordinal());
-            pstmt.setBoolean(4, e.isDriver());
-            pstmt.setBoolean(5, e.isPilot());
-            pstmt.executeUpdate();
-
-            try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                if (!rs.next()) throw new PersistenceException("Failed to insert EmployeeVersion");
-
-                return rs.getLong(1);
-            }
-        }
-    }
-
-    @Override
-    public long add(Employee employee) throws PersistenceException {
-        String sql = "INSERT INTO Employee(version) VALUES(?)";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-
-            long versionId = createEmployeeVersion(con, employee);
-
-            try (PreparedStatement pstmt =
-                    con.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
-                pstmt.setLong(1, versionId);
-                pstmt.executeUpdate();
-
-                try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                    if (!rs.next()) {
-                        con.rollback();
-                        throw new PersistenceException("Failed to insert Employee");
-                    }
-
-                    con.commit();
-                    return rs.getLong(1);
-                }
-            }
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public void update(Employee employee) throws ElementNotFoundException, PersistenceException {
-        String sql = "UPDATE Employee SET version = ? WHERE id = ?";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-
-            long versionId = createEmployeeVersion(con, employee);
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setLong(1, versionId);
-                pstmt.setLong(2, employee.id());
-
-                if (pstmt.executeUpdate() != 1) {
-                    con.rollback();
-                    throw new ElementNotFoundException("No such employeeId exists");
-                }
-            }
-
-            con.commit();
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public Set<Employee> list() throws PersistenceException {
-        String sql =
-                "SELECT emp.id, v.name, v.birthday, v.educationLevel, v.isDriver, v.isPilot "
-                        + "FROM employee emp "
-                        + "JOIN EmployeeVersion v ON v.id = emp.version";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            Set<Employee> employees = new HashSet<>();
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                try (ResultSet rs = pstmt.executeQuery()) {
-                    while (rs.next()) {
-                        employees.add(
-                                Employee.builder()
-                                        .id(rs.getLong(1))
-                                        .name(rs.getString(2))
-                                        .birthday(rs.getObject(3, LocalDate.class))
-                                        .educationLevel(EducationLevel.valueOf(rs.getString(4)))
-                                        .isDriver(rs.getBoolean(5))
-                                        .isPilot(rs.getBoolean(6))
-                                        .build());
-                    }
-                }
-            }
-
-            return employees;
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public void remove(long id) throws ElementNotFoundException, PersistenceException {
-        throw new UnsupportedOperationException();
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/OperationDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/OperationDAO.java
deleted file mode 100644
index d82f768..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/OperationDAO.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import java.util.EnumSet;
-import java.util.Set;
-
-public interface OperationDAO {
-
-    /**
-     * Persist the given operation.
-     *
-     * @param operation that should be stored
-     * @return the id that was assigned
-     * @throws PersistenceException if the operation could not be persisted
-     */
-    long add(Operation operation) throws PersistenceException;
-
-    /**
-     * Update the given operation.
-     *
-     * @param operation that should be updated
-     * @throws ElementNotFoundException if no operation with the given id exists
-     * @throws PersistenceException if the operation could not be updated
-     */
-    void update(Operation operation) throws ElementNotFoundException, PersistenceException;
-
-    /**
-     * Returns the operation with the given id.
-     *
-     * @param operationId id of the operation that should be returned
-     * @return operation with the given id
-     * @throws ElementNotFoundException if no operation with the given id exists
-     * @throws PersistenceException if the operation could not be loaded
-     */
-    Operation get(long operationId) throws ElementNotFoundException, PersistenceException;
-
-    /**
-     * Get all stored operations with matching status.
-     *
-     * @param statuses set containing all statuses that should be matched
-     * @return list containing all matched operations
-     * @throws PersistenceException if loading the stored operations failed
-     */
-    Set<Operation> list(EnumSet<Status> statuses) throws PersistenceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/OperationDatabaseDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/OperationDatabaseDAO.java
deleted file mode 100644
index 0b6ce08..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/OperationDatabaseDAO.java
+++ /dev/null
@@ -1,221 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Severity;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.JDBCConnectionManager;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.time.OffsetDateTime;
-import java.time.ZoneId;
-import java.util.EnumSet;
-import java.util.HashSet;
-import java.util.Set;
-import java.util.stream.Collectors;
-import org.springframework.lang.NonNull;
-import org.springframework.stereotype.Repository;
-
-@Repository
-public class OperationDatabaseDAO implements OperationDAO {
-
-    private JDBCConnectionManager jdbcConnectionManager;
-    private VehicleDAO vehicleDAO;
-
-    public OperationDatabaseDAO(
-            JDBCConnectionManager jdbcConnectionManager, VehicleDAO vehicleDAO) {
-        this.jdbcConnectionManager = jdbcConnectionManager;
-        this.vehicleDAO = vehicleDAO;
-    }
-
-    @Override
-    public long add(@NonNull Operation o) throws PersistenceException {
-        String sql =
-                "INSERT INTO Operation(opCode, severity, created, destination, additionalInfo,"
-                        + "            status) VALUES (?, ?, ?, ?, ?, ?)";
-        String sql2 = "INSERT INTO VehicleOperation(vehicleId, operationId) VALUES (?, ?)";
-        long operationId;
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setString(1, o.opCode());
-                pstmt.setInt(2, o.severity().ordinal());
-                pstmt.setObject(3, OffsetDateTime.ofInstant(o.created(), ZoneId.systemDefault()));
-                pstmt.setString(4, o.destination());
-                pstmt.setString(5, o.additionalInfo());
-                pstmt.setInt(6, o.status().ordinal());
-                pstmt.executeUpdate();
-
-                try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                    if (!rs.next()) throw new PersistenceException("Failed to persist operation");
-
-                    operationId = rs.getLong(1);
-                }
-            }
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql2)) {
-                pstmt.setLong(2, operationId);
-
-                for (long id : (Iterable<Long>) o.vehicles().stream().map(Vehicle::id)::iterator) {
-                    pstmt.setLong(1, id);
-                    pstmt.addBatch();
-                }
-
-                pstmt.executeBatch();
-            }
-            con.commit();
-            return operationId;
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public void update(@NonNull Operation o) throws ElementNotFoundException, PersistenceException {
-        // Note this will, by design, not update created
-        String sql =
-                "UPDATE Operation SET opCode = ?, severity = ?, destination = ?,"
-                        + " additionalInfo = ?, status = ? WHERE id = ?";
-        String sql2 = "DELETE FROM VehicleOperation WHERE operationId = ?";
-        String sql3 = "INSERT INTO VehicleOperation(vehicleId, operationId) VALUES (?, ?)";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setString(1, o.opCode());
-                pstmt.setInt(2, o.severity().ordinal());
-                pstmt.setString(3, o.destination());
-                pstmt.setString(4, o.additionalInfo());
-                pstmt.setInt(5, o.status().ordinal());
-                pstmt.setLong(6, o.id());
-
-                if (pstmt.executeUpdate() != 1)
-                    throw new ElementNotFoundException("No such operationId exists");
-            }
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql2)) {
-                pstmt.setLong(1, o.id());
-                pstmt.executeUpdate();
-            }
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql3)) {
-                pstmt.setLong(2, o.id());
-
-                for (long id : (Iterable<Long>) o.vehicles().stream().map(Vehicle::id)::iterator) {
-                    pstmt.setLong(1, id);
-                    pstmt.addBatch();
-                }
-
-                pstmt.executeBatch();
-            }
-            con.commit();
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public Operation get(long operationId) throws ElementNotFoundException, PersistenceException {
-        String sql = "Select * from operation where id = ?";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setLong(1, operationId);
-                pstmt.execute();
-
-                try (ResultSet rs = pstmt.getResultSet()) {
-                    if (!rs.next())
-                        throw new ElementNotFoundException("No such element could be found");
-
-                    return operationFromRS(rs);
-                }
-            }
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public Set<Operation> list(EnumSet<Status> statuses) throws PersistenceException {
-        // This hack exists because H2 currently has a bug that prevents IN (?) with an array of
-        // ids, i.e. pstmt.setArray(1, con.createArrayOf("INT", intarray) from working. See
-        // commented code below.
-
-        // SELECT * FROM Operation WHERE status IN ('COMPLETED', 'CANCELLED') is BUGGED on H2!
-        // for this reason we use the ordinal values instead
-        String str =
-                statuses.stream()
-                        .map(e -> Integer.toString(e.ordinal()))
-                        .collect(Collectors.joining(","));
-
-        String sql = "SELECT * FROM Operation WHERE status IN (" + str + ")";
-        Set<Operation> operations = new HashSet<>();
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                // Object[] arr = statuses.stream().map(Enum::ordinal).toArray();
-                // pstmt.setArray(1, con.createArrayOf("INT", arr));
-
-                try (ResultSet rs = pstmt.executeQuery()) {
-                    while (rs.next()) operations.add(operationFromRS(rs));
-                }
-            }
-
-            return operations;
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        }
-    }
-
-    private Operation operationFromRS(ResultSet rs) throws PersistenceException, SQLException {
-        Long operationId = rs.getLong("id");
-
-        return Operation.builder()
-                .id(operationId)
-                .opCode(rs.getString("opCode"))
-                .severity(Severity.valueOf(rs.getString("severity")))
-                .status(Status.valueOf(rs.getString("status")))
-                .vehicles(getVehiclesFromOperationId(operationId))
-                .created((rs.getObject("created", OffsetDateTime.class)).toInstant())
-                .destination(rs.getString("destination"))
-                .additionalInfo(rs.getString("additionalInfo"))
-                .build();
-    }
-
-    private Set<Vehicle> getVehiclesFromOperationId(long operationId) throws PersistenceException {
-        String sql = "SELECT vehicleId FROM VehicleOperation WHERE operationId = ?";
-        Set<Vehicle> vehicles = new HashSet<>();
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setLong(1, operationId);
-                pstmt.execute();
-
-                try (ResultSet rs = pstmt.getResultSet()) {
-                    while (rs.next()) {
-                        vehicles.add(vehicleDAO.get(rs.getLong("vehicleId")));
-                    }
-                }
-            }
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        } catch (ElementNotFoundException e) {
-            throw new PersistenceException("VehicleOperation contained nonexistent vehicle", e);
-        }
-
-        return vehicles;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/RegistrationDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/RegistrationDAO.java
deleted file mode 100644
index 36b6f1b..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/RegistrationDAO.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import java.util.Set;
-
-public interface RegistrationDAO {
-
-    /**
-     * Persist the given registration.
-     *
-     * @param vehicleId the id of the target vehicle
-     * @param registrations that should be stored
-     * @return a list of the ids that were assigned
-     * @throws PersistenceException if the registration could not be persisted
-     */
-    Set<Long> add(long vehicleId, Set<Registration> registrations) throws PersistenceException;
-
-    /**
-     * Make registration with the given id inactive.
-     *
-     * @param id of the registration that should be made inactive
-     * @throws ElementNotFoundException if no registration with the given id exists
-     * @throws PersistenceException if the registration could not be made inactive
-     */
-    void remove(long id) throws ElementNotFoundException, PersistenceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/RegistrationDatabaseDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/RegistrationDatabaseDAO.java
deleted file mode 100644
index 9f7ac84..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/RegistrationDatabaseDAO.java
+++ /dev/null
@@ -1,130 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.JDBCConnectionManager;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.time.OffsetDateTime;
-import java.time.ZoneId;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Repository;
-
-@Repository
-public class RegistrationDatabaseDAO implements RegistrationDAO {
-
-    private JDBCConnectionManager jdbcConnectionManager;
-    private EmployeeDAO employeePersistence;
-
-    @Autowired
-    public RegistrationDatabaseDAO(
-            JDBCConnectionManager jdbcConnectionManager, EmployeeDAO employeePersistence) {
-        this.jdbcConnectionManager = jdbcConnectionManager;
-        this.employeePersistence = employeePersistence;
-    }
-
-    @Override
-    public Set<Long> add(long vehicleId, Set<Registration> registrations)
-            throws PersistenceException {
-        String sql =
-                "INSERT INTO Registration (vehicleId, employeeId, start, end, active) VALUES (?,?,?,?,?)";
-        String sql2 = "UPDATE Vehicle SET status = 'FREI_WACHE' WHERE id = ?;";
-
-        Set<Long> vehicleIds = new HashSet<>();
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-
-            try (PreparedStatement pstmt =
-                    con.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
-                pstmt.setLong(1, vehicleId);
-
-                for (Registration r : registrations) {
-                    pstmt.setLong(2, r.employee().id());
-                    pstmt.setObject(3, OffsetDateTime.ofInstant(r.start(), ZoneId.systemDefault()));
-                    pstmt.setObject(4, OffsetDateTime.ofInstant(r.end(), ZoneId.systemDefault()));
-                    pstmt.setBoolean(5, true);
-                    pstmt.addBatch();
-                }
-
-                pstmt.executeBatch();
-
-                try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                    while (rs.next()) vehicleIds.add(rs.getLong(1));
-                }
-            }
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql2)) {
-                pstmt.setLong(1, vehicleId);
-                if (pstmt.executeUpdate() != 1) {
-                    con.rollback();
-                    throw new PersistenceException("Failed to persist registration");
-                }
-            }
-
-            con.commit();
-            return vehicleIds;
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public void remove(long id) throws ElementNotFoundException, PersistenceException {
-        throw new UnsupportedOperationException();
-    }
-
-    protected List<Registration> list(long vehicleId) throws PersistenceException {
-        String sql = "SELECT * FROM Registration WHERE vehicleId = ?";
-
-        List<Registration> registrationList = new ArrayList<>();
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setLong(1, vehicleId);
-
-                try (ResultSet rs = pstmt.executeQuery()) {
-                    while (rs.next()) {
-                        long employeeId = rs.getLong("employeeId");
-                        // TODO: replace the following with employeePersistence.get once implemented
-                        Employee emp =
-                                employeePersistence
-                                        .list()
-                                        .stream()
-                                        .filter(employee -> employee.id() == employeeId)
-                                        .findAny()
-                                        .orElse(null);
-                        Registration registration =
-                                Registration.builder()
-                                        .id(rs.getLong("id"))
-                                        .start(
-                                                (rs.getObject("start", OffsetDateTime.class))
-                                                        .toInstant())
-                                        .end(
-                                                (rs.getObject("end", OffsetDateTime.class))
-                                                        .toInstant())
-                                        .employee(emp)
-                                        .build();
-                        registrationList.add(registration);
-                    }
-                }
-            }
-
-            return registrationList;
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        }
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/VehicleDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/VehicleDAO.java
deleted file mode 100644
index 5782fd9..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/VehicleDAO.java
+++ /dev/null
@@ -1,54 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import java.util.Set;
-
-public interface VehicleDAO {
-
-    /**
-     * Persist the given vehicle.
-     *
-     * @param vehicle that should be stored
-     * @return the id that was assigned
-     * @throws PersistenceException if the vehicle could not be persisted
-     */
-    long add(Vehicle vehicle) throws PersistenceException;
-
-    /**
-     * Update the given vehicle.
-     *
-     * @param vehicle that should be updated
-     * @throws ElementNotFoundException if no vehicle with the given id exists
-     * @throws PersistenceException if the vehicle could not be updated
-     */
-    void update(Vehicle vehicle) throws ElementNotFoundException, PersistenceException;
-
-    /**
-     * Get all stored vehicles.
-     *
-     * @return list containing all stored vehicles
-     * @throws PersistenceException if loading the stored vehicles failed
-     */
-    Set<Vehicle> list() throws PersistenceException;
-
-    /**
-     * Returns the vehicle with the given id.
-     *
-     * @param vehicleId id of the vehicle that should be returned
-     * @return vehicle with the given id
-     * @throws ElementNotFoundException if no vehicle with the given id exists
-     * @throws PersistenceException if the vehicle could not be loaded
-     */
-    Vehicle get(long vehicleId) throws ElementNotFoundException, PersistenceException;
-
-    /**
-     * Remove vehicle with the given id from the store.
-     *
-     * @param id of the vehicle that should be removed
-     * @throws ElementNotFoundException if no vehicle with the given id exists
-     * @throws PersistenceException if the vehicle could not be removed
-     */
-    void remove(long id) throws ElementNotFoundException, PersistenceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/VehicleDatabaseDAO.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/VehicleDatabaseDAO.java
deleted file mode 100644
index fcae6d3..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dao/VehicleDatabaseDAO.java
+++ /dev/null
@@ -1,211 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.ConstructionType;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.VehicleType;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.util.JDBCConnectionManager;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.util.HashSet;
-import java.util.Set;
-import org.springframework.stereotype.Repository;
-
-@Repository
-public class VehicleDatabaseDAO implements VehicleDAO {
-
-    private final JDBCConnectionManager jdbcConnectionManager;
-    private RegistrationDatabaseDAO registrationDatabaseDao;
-
-    public VehicleDatabaseDAO(
-            JDBCConnectionManager j, RegistrationDatabaseDAO registrationDatabaseDao) {
-        jdbcConnectionManager = j;
-        this.registrationDatabaseDao = registrationDatabaseDao;
-    }
-
-    @Override
-    public long add(Vehicle v) throws PersistenceException {
-        String sql =
-                "INSERT INTO VehicleVersion (name,hasNef,constructionType,type) VALUES (?,?,?,?)";
-        String sql2 = "INSERT INTO Vehicle (version,status) VALUES (?,?)";
-        String sql3 = "UPDATE VehicleVersion SET name=? WHERE id=?";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-            String name = "";
-            long version, id;
-
-            try (PreparedStatement pstmt =
-                    con.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
-                pstmt.setString(1, name);
-                pstmt.setBoolean(2, v.hasNef());
-                pstmt.setInt(3, v.constructionType().ordinal());
-                pstmt.setString(4, v.type().name());
-                pstmt.executeUpdate();
-
-                try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                    if (!rs.next())
-                        throw new PersistenceException("Failed to insert into VehicleVersion");
-
-                    version = rs.getLong(1);
-                }
-            }
-
-            try (PreparedStatement pstmt =
-                    con.prepareStatement(sql2, Statement.RETURN_GENERATED_KEYS)) {
-                pstmt.setLong(1, version);
-                pstmt.setInt(2, Status.ABGEMELDET.ordinal());
-                pstmt.executeUpdate();
-
-                try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                    if (!rs.next()) {
-                        con.rollback();
-                        throw new PersistenceException("Failed to insert into Vehicle");
-                    }
-
-                    id = rs.getLong(1);
-                }
-
-                name = v.type().name() + "-" + id;
-            }
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql3)) {
-                pstmt.setString(1, name);
-                pstmt.setLong(2, version);
-
-                if (pstmt.executeUpdate() != 1) {
-                    con.rollback();
-                    throw new PersistenceException("Failed to update VehicleVersion");
-                }
-            }
-
-            con.commit();
-            return id;
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public void update(Vehicle v) throws ElementNotFoundException, PersistenceException {
-        String sql = "SELECT version FROM Vehicle WHERE id = ?";
-        String sql2 =
-                "MERGE INTO VehicleVersion(name, constructionType, type, hasNef)"
-                        + " KEY(name, constructionType, type, hasNef) VALUES(?, ?, ?, ?)";
-        String sql3 = "UPDATE Vehicle SET version = ?, status = ? WHERE id = ?";
-
-        long versionId;
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            con.setAutoCommit(false);
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setLong(1, v.id());
-
-                try (ResultSet rs = pstmt.executeQuery()) {
-                    if (!rs.next()) throw new ElementNotFoundException("No such vehicleId exists");
-
-                    versionId = rs.getLong(1);
-                }
-            }
-
-            try (PreparedStatement pstmt =
-                    con.prepareStatement(sql2, Statement.RETURN_GENERATED_KEYS)) {
-                pstmt.setString(1, v.type().name() + "-" + v.id());
-                pstmt.setString(2, v.constructionType().name());
-                pstmt.setString(3, v.type().name());
-                pstmt.setBoolean(4, v.hasNef());
-                pstmt.executeUpdate();
-
-                try (ResultSet rs = pstmt.getGeneratedKeys()) {
-                    if (rs.next()) {
-                        // version changed, update it
-                        versionId = rs.getLong(1);
-                    }
-                }
-            }
-
-            try (PreparedStatement pstmt = con.prepareStatement(sql3)) {
-                pstmt.setLong(1, versionId);
-                pstmt.setString(2, v.status().name());
-                pstmt.setLong(3, v.id());
-                pstmt.executeUpdate();
-            }
-
-            con.commit();
-        } catch (SQLException e) {
-            jdbcConnectionManager.rollbackConnection();
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public Set<Vehicle> list() throws PersistenceException {
-        Set<Vehicle> result = new HashSet<>();
-
-        String sql =
-                "Select * from VehicleVersion, Vehicle where VehicleVersion.id=Vehicle.version";
-
-        try (PreparedStatement pstmt =
-                jdbcConnectionManager.getConnection().prepareStatement(sql)) {
-            pstmt.executeQuery();
-            try (ResultSet rs = pstmt.getResultSet()) {
-                while (rs.next()) {
-                    result.add(vehicleFromRS(rs));
-                }
-            }
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        }
-        return result;
-    }
-
-    @Override
-    public Vehicle get(long id) throws ElementNotFoundException, PersistenceException {
-        String sql =
-                "SELECT a.id, b.name, b.constructionType, b.type, a.status, b.hasNef"
-                        + " FROM Vehicle a"
-                        + " INNER JOIN VehicleVersion b"
-                        + " ON version = b.id"
-                        + " WHERE a.id = ?";
-
-        try {
-            Connection con = jdbcConnectionManager.getConnection();
-            try (PreparedStatement pstmt = con.prepareStatement(sql)) {
-                pstmt.setLong(1, id);
-
-                try (ResultSet rs = pstmt.executeQuery()) {
-                    if (!rs.first()) throw new ElementNotFoundException("No such vehicle exists");
-
-                    return vehicleFromRS(rs);
-                }
-            }
-        } catch (SQLException e) {
-            throw new PersistenceException(e);
-        }
-    }
-
-    @Override
-    public void remove(long id) throws ElementNotFoundException, PersistenceException {
-        throw new UnsupportedOperationException();
-    }
-
-    private Vehicle vehicleFromRS(ResultSet rs) throws SQLException, PersistenceException {
-        return Vehicle.builder()
-                .id(rs.getLong("Vehicle.id"))
-                .name(rs.getString("name"))
-                .constructionType(ConstructionType.values()[rs.getInt("constructionType")])
-                .type(VehicleType.valueOf(rs.getString("type")))
-                .status(Status.values()[rs.getInt("status")])
-                .hasNef(rs.getBoolean("hasNef"))
-                .registrations(registrationDatabaseDao.list(rs.getLong("id")))
-                .build();
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Employee.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Employee.java
deleted file mode 100644
index 583bf5b..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Employee.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto;
-
-import com.google.auto.value.AutoValue;
-import java.time.LocalDate;
-
-@AutoValue
-public abstract class Employee {
-    public enum EducationLevel {
-        RS,
-        NFS,
-        NKV,
-        NKA,
-        NKI,
-        NA
-    }
-
-    public abstract long id();
-
-    public abstract String name();
-
-    public abstract LocalDate birthday();
-
-    public abstract EducationLevel educationLevel();
-
-    public abstract boolean isDriver();
-
-    public abstract boolean isPilot();
-
-    public static Builder builder() {
-        return new AutoValue_Employee.Builder().id(0);
-    }
-
-    @AutoValue.Builder
-    public abstract static class Builder {
-        public abstract Builder id(long id);
-
-        public abstract Builder name(String name);
-
-        public abstract Builder birthday(LocalDate birthday);
-
-        public abstract Builder educationLevel(EducationLevel educationLevel);
-
-        public abstract Builder isDriver(boolean isDriver);
-
-        public abstract Builder isPilot(boolean isPilot);
-
-        public abstract Employee build();
-    }
-
-    public abstract Builder toBuilder();
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/EmployeeValidator.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/EmployeeValidator.java
deleted file mode 100644
index 36d8003..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/EmployeeValidator.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto;
-
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidEmployeeException;
-
-public class EmployeeValidator {
-
-    public static boolean validate(Employee employee) throws InvalidEmployeeException {
-
-        if (employee.name() == null || employee.name().trim().length() == 0) {
-            throw new InvalidEmployeeException("Name darf nicht leer sein!");
-        }
-
-        if (employee.birthday() == null) {
-            throw new InvalidEmployeeException("Geburtsdatum darf nicht leer sein!");
-        }
-
-        if (employee.educationLevel() == null) {
-            throw new InvalidEmployeeException("Ausbildungsgrad darf nicht leer sein!");
-        }
-
-        return true;
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Operation.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Operation.java
deleted file mode 100644
index 3a97dc7..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Operation.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto;
-
-import com.google.auto.value.AutoValue;
-import java.time.Instant;
-import java.util.Set;
-import javax.annotation.Nullable;
-
-@AutoValue
-public abstract class Operation {
-    public enum Severity {
-        A,
-        B,
-        C,
-        D,
-        E,
-        O,
-    }
-
-    public enum Status {
-        ACTIVE,
-        COMPLETED,
-        CANCELLED,
-    }
-
-    public abstract long id();
-
-    public abstract String opCode();
-
-    @Nullable
-    public abstract Severity severity();
-
-    public abstract Status status();
-
-    public abstract Set<Vehicle> vehicles();
-
-    @Nullable
-    public abstract Instant created();
-
-    public abstract String destination();
-
-    @Nullable
-    public abstract String additionalInfo();
-
-    public static Builder builder() {
-        return new AutoValue_Operation.Builder().id(0);
-    }
-
-    @AutoValue.Builder
-    public abstract static class Builder {
-        public abstract Builder id(long id);
-
-        public abstract Builder opCode(String opCode);
-
-        public abstract Builder severity(Severity severity);
-
-        public abstract Builder status(Status status);
-
-        public abstract Builder vehicles(Set<Vehicle> vehicles);
-
-        public abstract Builder created(Instant created);
-
-        public abstract Builder destination(String destination);
-
-        public abstract Builder additionalInfo(String additionalInfo);
-
-        public abstract Operation build();
-    }
-
-    public abstract Builder toBuilder();
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Registration.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Registration.java
deleted file mode 100644
index 8551266..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Registration.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto;
-
-import com.google.auto.value.AutoValue;
-import java.time.Instant;
-
-@AutoValue
-public abstract class Registration {
-    public abstract long id();
-
-    public abstract Instant start();
-
-    public abstract Instant end();
-
-    public abstract Employee employee();
-
-    public static Builder builder() {
-        return new AutoValue_Registration.Builder().id(0);
-    }
-
-    @AutoValue.Builder
-    public abstract static class Builder {
-        public abstract Builder id(long id);
-
-        public abstract Builder start(Instant start);
-
-        public abstract Builder end(Instant end);
-
-        public abstract Builder employee(Employee employee);
-
-        public abstract Registration build();
-    }
-
-    public abstract Builder toBuilder();
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/RegistrationValidator.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/RegistrationValidator.java
deleted file mode 100644
index 3456534..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/RegistrationValidator.java
+++ /dev/null
@@ -1,174 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee.EducationLevel;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.VehicleType;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidRegistrationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Set;
-
-public class RegistrationValidator {
-
-    private RegistrationValidator() {}
-
-    public static void validate(Vehicle vehicle, Set<Registration> registrations)
-            throws InvalidVehicleException, InvalidRegistrationException {
-        /*
-        Vehicles and Employees are assumed to be valid.
-        They have been checked at creation, and for them to be checked again, access to
-        VehicleValidator and EmployeeValidator are needed, which are not available at this time.
-         */
-        /*
-        The method used here goes as follows: All given employees are inspected in regards to their
-        qualifications, and added to the appropriate lists of the roles they could fill.
-        For example, an NFS, who is also a driver, would be added to the lists driverIds, nfsIds
-        and rsIds (because an NFS can always substitute an RS).
-        Afterwards, the number of people is checked according to the chosen vehicle type, and if
-        the number is okay, the program tries to find a valid combination of roles for the vehicle.
-        For example, for an RTW, first a driver is chosen, their ID marked as found in the aptly
-        titled HashMap, and then for the second RS, the list of RS is checked, excluding the chosen
-        driver. If no other valid RS is found, the next possible driver is chosen, and so on. If no
-        valid combination is found, an InvalidRegistrationException is thrown.
-         */
-        List<Long> pilotIds = new LinkedList<>();
-        List<Long> driverIds = new LinkedList<>();
-        List<Long> naIds = new LinkedList<>();
-        List<Long> nfsIds = new LinkedList<>();
-        List<Long> rsIds = new LinkedList<>();
-        HashMap<Long, Boolean> found =
-                new HashMap<>(); // needed later in DFS, checks that no person is chosen twice
-        int total = 0;
-        for (Registration registration : registrations) {
-            total++;
-            if (found.put(registration.employee().id(), false) != null) {
-                throw new InvalidRegistrationException(
-                        "Person mit der ID: "
-                                + registration.employee().id()
-                                + " wurde mehrmals hinzugefügt!");
-            }
-            if (registration.employee().isPilot()) {
-                pilotIds.add(registration.employee().id());
-            }
-            if (registration.employee().isDriver()) {
-                driverIds.add(registration.employee().id());
-            }
-            if (registration.employee().educationLevel() == EducationLevel.NA) {
-                naIds.add(registration.employee().id());
-                nfsIds.add(registration.employee().id());
-                rsIds.add(registration.employee().id());
-            } else if (isNFS(registration.employee())) {
-                nfsIds.add(registration.employee().id());
-                rsIds.add(registration.employee().id());
-            } else { // only RS left
-                rsIds.add(registration.employee().id());
-            }
-        }
-        if (total <= 0) {
-            throw new InvalidRegistrationException("Kein Personal ausgewählt!");
-        }
-        if (vehicle.type() == VehicleType.NAH) {
-            /*
-            NAH
-            1 Pilot
-            1 NFS
-            1 NA
-            3-4 Personen
-             */
-            if (total < 3) {
-                throw new InvalidRegistrationException("Zu wenig Personal für NAH!");
-            } else if (total > 4) {
-                throw new InvalidRegistrationException("Zu viel Personal für NAH!");
-            }
-            for (long pilot_id : pilotIds) {
-                found.put(pilot_id, true);
-                for (long na_id : naIds) {
-                    if (found.get(na_id)) continue;
-                    found.put(na_id, true);
-                    for (long nfs_id : nfsIds) {
-                        if (found.get(nfs_id)) continue;
-                        return;
-                    }
-                    found.put(na_id, false);
-                }
-                found.put(pilot_id, false);
-            }
-            throw new InvalidRegistrationException(
-                    "Keine gültige Kombination von Personen für NAH!");
-        } else if (vehicle.type() == VehicleType.NEF) {
-            /*
-            NEF
-            1 Driver (has to be NFS)
-            1 NA
-             */
-            if (total < 2) {
-                throw new InvalidRegistrationException("Zu wenig Personal für NEF!");
-            } else if (total > 3) {
-                throw new InvalidRegistrationException("Zu viel Personal für NEF!");
-            }
-            for (long driver_id : driverIds) {
-                if (!nfsIds.contains(driver_id))
-                    continue; // if possible driver is not NFS, skip him
-                found.put(driver_id, true);
-                for (long na_id : naIds) {
-                    if (found.get(na_id)) continue;
-                    return;
-                }
-                found.put(driver_id, false);
-            }
-            throw new InvalidRegistrationException(
-                    "Keine gültige Kombination von Personen für NEF!");
-        } else if (vehicle.type() == VehicleType.BKTW) {
-            /*
-            BKTW
-            1 Driver
-             */
-            if (total > 3) {
-                throw new InvalidRegistrationException("Zu viel Personal für BKTW!");
-            }
-            if (!driverIds.isEmpty()) {
-                return;
-            }
-            throw new InvalidRegistrationException("Kein Fahrer gefunden für BKTW!");
-        } else { // KTW or RTW, both have the same requirements
-            /*
-            RTW/KTW
-            1 Driver
-            1 RS
-             */
-            if (total < 2) {
-                throw new InvalidRegistrationException(
-                        "Zu wenig Personal für " + vehicle.type().name() + "!");
-            } else if (total > 4) {
-                throw new InvalidRegistrationException(
-                        "Zu viel Persoanl für " + vehicle.type().name() + "!");
-            }
-            for (long driver_id : driverIds) { // driver includes rs
-                found.put(driver_id, true);
-                for (long rs_id : rsIds) {
-                    if (found.get(rs_id)) continue;
-                    return;
-                }
-            }
-            throw new InvalidRegistrationException(
-                    "Keine gültige Kombination von Personen für " + vehicle.type().name() + "!");
-        }
-    }
-
-    private static boolean isNFS(Employee employee) {
-        EducationLevel educationLevel = employee.educationLevel();
-        switch (educationLevel) {
-            case NFS:
-                return true;
-            case NKA:
-                return true;
-            case NKI:
-                return true;
-            case NKV:
-                return true;
-            default:
-                return false;
-        }
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Vehicle.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Vehicle.java
deleted file mode 100644
index e81db0b..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/dto/Vehicle.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto;
-
-import com.google.auto.value.AutoValue;
-import java.util.List;
-import javax.annotation.Nullable;
-
-@AutoValue
-public abstract class Vehicle {
-    public enum ConstructionType {
-        NORMAL,
-        HOCHDACH,
-        MITTELHOCHDACH,
-    }
-
-    public enum VehicleType {
-        BKTW,
-        KTW_B,
-        KTW,
-        RTW,
-        NEF,
-        NAH,
-    }
-
-    public enum Status {
-        ABGEMELDET,
-        FREI_WACHE,
-        FREI_FUNK,
-        ZUM_BERUFUNGSORT,
-        AM_BERUFUNGSORT,
-        ZUM_ZIELORT,
-        AM_ZIELORT,
-    }
-
-    public abstract long id();
-
-    public abstract String name();
-
-    public abstract ConstructionType constructionType();
-
-    public abstract VehicleType type();
-
-    public abstract Status status();
-
-    public abstract boolean hasNef();
-
-    @Nullable
-    public abstract List<Registration> registrations();
-
-    public static Builder builder() {
-        return new AutoValue_Vehicle.Builder().id(0);
-    }
-
-    @AutoValue.Builder
-    public abstract static class Builder {
-        public abstract Builder id(long id);
-
-        public abstract Builder name(String name);
-
-        public abstract Builder constructionType(ConstructionType constructionType);
-
-        public abstract Builder type(VehicleType type);
-
-        public abstract Builder status(Status status);
-
-        public abstract Builder hasNef(boolean hasNef);
-
-        public abstract Builder registrations(List<Registration> registrations);
-
-        public abstract Vehicle build();
-    }
-
-    public abstract Builder toBuilder();
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/EmployeeService.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/EmployeeService.java
deleted file mode 100644
index f7f8e71..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/EmployeeService.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidEmployeeException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.Set;
-
-public interface EmployeeService {
-
-    /**
-     * Add given employee to the store.
-     *
-     * @param employee that should be added to the store
-     * @return the id that was assigned
-     * @throws InvalidEmployeeException if the employee is invalid
-     * @throws ServiceException if the employee could not be persisted
-     */
-    long add(Employee employee) throws InvalidEmployeeException, ServiceException;
-
-    /**
-     * Update the given employee.
-     *
-     * @param employee that should be updated
-     * @return the updated employee
-     * @throws InvalidEmployeeException if the employee is invalid
-     * @throws ServiceException if the updated employee could not be persisted
-     */
-    Employee update(Employee employee) throws InvalidEmployeeException, ServiceException;
-
-    /**
-     * Get all stored employees.
-     *
-     * @return list containing all stored employees
-     * @throws ServiceException if loading the stored employees failed
-     */
-    Set<Employee> list() throws ServiceException;
-
-    /**
-     * Remove employee with the given id from the store.
-     *
-     * @param id of the employee that should be removed
-     * @throws InvalidEmployeeException if given employee id is invalid or does not exist
-     * @throws ServiceException if the employee could not be removed from the store
-     */
-    void remove(long id) throws InvalidEmployeeException, ServiceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/EmployeeServiceImpl.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/EmployeeServiceImpl.java
deleted file mode 100644
index cf054c3..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/EmployeeServiceImpl.java
+++ /dev/null
@@ -1,59 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao.EmployeeDAO;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Employee;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.EmployeeValidator;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidEmployeeException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.Set;
-import org.springframework.stereotype.Service;
-
-@Service
-public class EmployeeServiceImpl implements EmployeeService {
-
-    private final EmployeeDAO employeePersistence;
-
-    public EmployeeServiceImpl(EmployeeDAO employeePersistence) {
-        this.employeePersistence = employeePersistence;
-    }
-
-    @Override
-    public long add(Employee employee) throws InvalidEmployeeException, ServiceException {
-
-        EmployeeValidator.validate(employee);
-        try {
-            return employeePersistence.add(employee);
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-    }
-
-    @Override
-    public Employee update(Employee employee) throws InvalidEmployeeException, ServiceException {
-
-        EmployeeValidator.validate(employee);
-        try {
-            employeePersistence.update(employee);
-            return employee;
-        } catch (ElementNotFoundException | PersistenceException e) {
-            throw new ServiceException(e);
-        }
-    }
-
-    @Override
-    public Set<Employee> list() throws ServiceException {
-
-        try {
-            return employeePersistence.list();
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-    }
-
-    @Override
-    public void remove(long id) throws InvalidEmployeeException, ServiceException {
-        throw new UnsupportedOperationException();
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/OperationService.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/OperationService.java
deleted file mode 100644
index 4b7e630..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/OperationService.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidOperationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.EnumSet;
-import java.util.Set;
-import java.util.SortedSet;
-
-public interface OperationService {
-
-    /**
-     * Add given operation to the store.
-     *
-     * @param operation that should be added to the store
-     * @return the id that was assigned
-     * @throws InvalidOperationException if the operation is invalid
-     * @throws ServiceException if the operation could not be persisted
-     */
-    long add(Operation operation) throws InvalidOperationException, ServiceException;
-
-    /**
-     * Request new vehicles to the given operation.
-     *
-     * @param operationId id of the operation that the vehicles should be send to
-     * @param vehicleIds the ids of the vehicles that should be send to the given operation
-     * @throws InvalidOperationException if the operationId is invalid or does not exist
-     * @throws InvalidVehicleException if one of the vehicle ids is invalid or does not exist
-     * @throws ServiceException if the vehicles could not be loaded or the operation could not be
-     *     persisted
-     */
-    void requestVehicles(long operationId, Set<Long> vehicleIds)
-            throws InvalidOperationException, InvalidVehicleException, ServiceException;
-
-    /**
-     * Completes the given operation with the specified status.
-     *
-     * @param operationId id of the operation that should be completed
-     * @param status of the completed operation, either {@link Status#COMPLETED} or {@link
-     *     Status#CANCELLED}
-     * @throws InvalidOperationException if the operationId is invalid or does not exist
-     * @throws ServiceException if the operation could not be persisted
-     */
-    void complete(long operationId, Status status)
-            throws InvalidOperationException, ServiceException;
-
-    /**
-     * Get all available vehicles, sorted by how well they fit to the given opCode, starting with
-     * the best fitting.
-     *
-     * @param opCode the operation code that is used to determine the ranking
-     * @return a sorted list containing all available vehicles
-     * @throws InvalidOperationException if the opCode is invalid
-     * @throws ServiceException if loading the stored vehicles failed
-     */
-    SortedSet<Vehicle> rankVehicles(String opCode)
-            throws InvalidOperationException, ServiceException;
-
-    /**
-     * Get all stored operations with matching status.
-     *
-     * @param statuses set containing all statuses that should be matched
-     * @return list containing all matched operations
-     * @throws ServiceException if loading the stored operations failed
-     */
-    Set<Operation> list(EnumSet<Status> statuses) throws ServiceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/OperationServiceImpl.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/OperationServiceImpl.java
deleted file mode 100644
index a83cf64..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/OperationServiceImpl.java
+++ /dev/null
@@ -1,286 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao.OperationDAO;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao.VehicleDAO;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Severity;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Operation.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.VehicleType;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidOperationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.time.Instant;
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.EnumSet;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.SortedSet;
-import java.util.TreeSet;
-import java.util.function.Predicate;
-import java.util.function.Supplier;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Service;
-
-@Service
-public class OperationServiceImpl implements OperationService {
-
-    private static final Logger LOG = LoggerFactory.getLogger(OperationServiceImpl.class);
-
-    private final OperationDAO operationDAO;
-    private final VehicleDAO vehicleDAO;
-    private final VehicleService vehicleService;
-
-    public OperationServiceImpl(
-            OperationDAO operationDAO, VehicleDAO vehicleDAO, VehicleService vehicleService) {
-        this.operationDAO = operationDAO;
-        this.vehicleDAO = vehicleDAO;
-        this.vehicleService = vehicleService;
-    }
-
-    @Override
-    public long add(Operation o) throws InvalidOperationException, ServiceException {
-        if (o.created() != null) {
-            throw new InvalidOperationException("Erstellungszeitpunkt darf nicht gesetzt sein");
-        }
-
-        if (o.severity() != null) {
-            throw new InvalidOperationException("Der Schweregrad darf nicht gesetzt sein");
-        }
-
-        if (o.id() != 0) {
-            throw new InvalidOperationException("Einsatz-ID muss 0 sein");
-        }
-
-        if (o.status() != Status.ACTIVE)
-            LOG.info("Status was set but will be overridden"); // TODO: nullable instead??
-
-        try {
-            for (long id : (Iterable<Long>) o.vehicles().stream().map(Vehicle::id)::iterator) {
-                Vehicle v = vehicleDAO.get(id);
-                VehicleServiceImpl.validateVehicle(v);
-
-                if (v.status() != Vehicle.Status.FREI_FUNK
-                        && v.status() != Vehicle.Status.FREI_WACHE)
-                    throw new InvalidOperationException("Fahrzeug nicht verfügbar: " + v.status());
-            }
-
-            validateOperation(o);
-
-            return operationDAO.add(
-                    o.toBuilder()
-                            .created(Instant.now())
-                            .severity(extractSeverityFromOpCode(o.opCode()))
-                            .status(Status.ACTIVE)
-                            .build());
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        } catch (InvalidVehicleException e) {
-            // already logged as invalid vehicle
-            throw new InvalidOperationException("Enthaltenes Fahrzeug ist ungültig", e);
-        } catch (ElementNotFoundException e) {
-            throw new InvalidOperationException("Enthaltenes Fahrzeug existiert nicht", e);
-        }
-    }
-
-    @Override
-    public void requestVehicles(long operationId, Set<Long> vehicleIds)
-            throws InvalidOperationException, InvalidVehicleException, ServiceException {
-        Set<Vehicle> vs = new HashSet<>();
-
-        try {
-            if (operationId <= 0) {
-                throw new InvalidOperationException("Einsatz-ID ist ungültig");
-            }
-            Operation o = operationDAO.get(operationId);
-            validateOperation(o);
-
-            if (o.opCode().trim().isEmpty()
-                    || extractSeverityFromOpCode(o.opCode()) != o.severity()) {
-                throw new InvalidOperationException("Einsatzcode ist ungültig");
-            }
-
-            if (o.status() != Status.ACTIVE) {
-                throw new InvalidOperationException("Einsatz ist ungültig");
-            }
-
-            if (o.created() == null) {
-                throw new InvalidOperationException("Erstellungszeitpunkt darf nicht leer sein");
-            }
-
-            for (Long id : vehicleIds) {
-                if (id <= 0) {
-                    throw new InvalidVehicleException("Fahrzeug-ID ist ungültig");
-                }
-
-                try {
-                    Vehicle v = vehicleDAO.get(id);
-                    VehicleServiceImpl.validateVehicle(v);
-                    if (v.status() != Vehicle.Status.FREI_FUNK
-                            && v.status() != Vehicle.Status.FREI_WACHE)
-                        throw new InvalidOperationException(
-                                "Fahrzeug nicht verfügbar: " + v.status());
-
-                    vs.add(v);
-                } catch (ElementNotFoundException e) {
-                    throw new InvalidVehicleException("VehicleId ist invalid");
-                }
-            }
-
-            vs.addAll(o.vehicles());
-            if (vs.equals(o.vehicles())) return;
-
-            operationDAO.update(o.toBuilder().vehicles(vs).build());
-        } catch (ElementNotFoundException e) {
-            throw new InvalidOperationException("Kein Einsatz mit dieser ID existiert");
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-    }
-
-    @Override
-    public void complete(long operationId, Status status)
-            throws InvalidOperationException, ServiceException {
-        try {
-            Operation o = operationDAO.get(operationId);
-            operationDAO.update(o.toBuilder().status(status).build());
-        } catch (ElementNotFoundException e) {
-            throw new InvalidOperationException(e);
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-    }
-
-    @Override
-    public SortedSet<Vehicle> rankVehicles(String opCode)
-            throws InvalidOperationException, ServiceException {
-        Set<Vehicle> vehicles =
-                vehicleService.list(EnumSet.complementOf(EnumSet.of(Vehicle.Status.ABGEMELDET)));
-
-        List<Predicate<Vehicle>> priorities = new ArrayList<>();
-        Predicate<Vehicle> ktw = v -> v.type() == VehicleType.KTW;
-        Predicate<Vehicle> rtwNoNEF = v -> v.type() == VehicleType.RTW && !v.hasNef();
-        Predicate<Vehicle> rtwNEF = v -> v.type() == VehicleType.RTW && v.hasNef();
-        Predicate<Vehicle> nef = v -> v.type() == VehicleType.NEF;
-        Predicate<Vehicle> nah = v -> v.type() == VehicleType.NAH;
-
-        switch (extractSeverityFromOpCode(opCode)) {
-            case A:
-                // fallthrough
-            case B:
-                // fallthrough
-            case O:
-                priorities.add(ktw);
-                priorities.add(rtwNoNEF);
-                priorities.add(rtwNEF);
-                break;
-            case C:
-                priorities.add(rtwNEF);
-                priorities.add(rtwNoNEF);
-                priorities.add(ktw);
-                break;
-            case D:
-                priorities.add(rtwNEF);
-                priorities.add(nef);
-                priorities.add(nah);
-                priorities.add(rtwNoNEF);
-                priorities.add(ktw);
-                break;
-            case E:
-                priorities.add(nah);
-                priorities.add(nef);
-                priorities.add(rtwNEF);
-                priorities.add(rtwNoNEF);
-                priorities.add(ktw);
-                break;
-        }
-
-        Comparator<Vehicle> vehicleComparator =
-                (v1, v2) -> {
-                    for (Predicate<Vehicle> priority : priorities) {
-                        if (priority.test(v1)) {
-                            return -1;
-                        }
-                        if (priority.test(v2)) {
-                            return +1;
-                        }
-                    }
-                    return 0;
-                };
-
-        Supplier<TreeSet<Vehicle>> supplier = () -> new TreeSet<>(vehicleComparator);
-
-        return vehicles.stream().collect(Collectors.toCollection(supplier));
-    }
-
-    @Override
-    public Set<Operation> list(EnumSet<Status> statuses) throws ServiceException {
-        try {
-            Set<Operation> operations = operationDAO.list(statuses);
-            for (Operation o : operations) validateOperation(o);
-
-            return operations;
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        } catch (InvalidOperationException e) {
-            // database returned invalid values
-            throw new ServiceException("DB returned invalid operation", e);
-        }
-    }
-
-    private static void validateOperation(Operation o) throws InvalidOperationException {
-        if (o.vehicles().isEmpty()) {
-            throw new InvalidOperationException(
-                    "Es muss mindestens ein Fahrzeug ausgewählt werden!");
-        }
-
-        for (Vehicle v : o.vehicles()) {
-            try {
-                VehicleServiceImpl.validateVehicle(v);
-            } catch (InvalidVehicleException e) {
-                throw new InvalidOperationException("Fahrzeug " + v.name() + " ist ungültig", e);
-            }
-
-            // TODO: validate if NEF/RTW/NAH conditions?
-        }
-
-        Instant created = o.created();
-        if (created != null && created.isAfter(Instant.now())) {
-            throw new InvalidOperationException("Einsatz wurde in der Zukunft erstellt");
-        }
-
-        if (o.destination() == null || o.destination().trim().isEmpty()) {
-            throw new InvalidOperationException("Adresse darf nicht leer sein");
-        }
-
-        if (o.destination().length() > 100) {
-            throw new InvalidOperationException("Adresse darf 100 Zeichen nicht überschreiten");
-        }
-
-        if (o.additionalInfo() != null && o.additionalInfo().length() > 100) {
-            throw new InvalidOperationException("Anmerkung darf 100 Zeichen nicht überschreiten");
-        }
-    }
-
-    private static final Pattern opCodePattern =
-            Pattern.compile("(?:\\w{1,3}-\\d{0,2})([ABCDEO])(?:.*)");
-
-    private static Severity extractSeverityFromOpCode(String opCode)
-            throws InvalidOperationException {
-        Matcher m = opCodePattern.matcher(opCode);
-
-        if (!m.matches()) {
-            throw new InvalidOperationException("Einsatzcode ist ungültig");
-        }
-
-        return Severity.valueOf(m.group(1));
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/RegistrationService.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/RegistrationService.java
deleted file mode 100644
index b7d8eef..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/RegistrationService.java
+++ /dev/null
@@ -1,32 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidRegistrationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.Set;
-
-public interface RegistrationService {
-
-    /**
-     * Register employee to a vehicle.
-     *
-     * @param vehicleId the id of the target vehicle
-     * @param registrations that should be added to the vehicle
-     * @return the list of ids that were assigned
-     * @throws InvalidVehicleException if the vehicleId is invalid or does not exist
-     * @throws InvalidRegistrationException if the registration is invalid
-     * @throws ServiceException if the registration could not be persisted
-     */
-    Set<Long> add(long vehicleId, Set<Registration> registrations)
-            throws InvalidVehicleException, InvalidRegistrationException, ServiceException;
-
-    /**
-     * Remove given registration from the store.
-     *
-     * @param registrationId the id of the registration that should be removed
-     * @throws InvalidRegistrationException if the registration is invalid or does not exist
-     * @throws ServiceException if the registration could not be removed from the store
-     */
-    void remove(long registrationId) throws InvalidRegistrationException, ServiceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/RegistrationServiceImpl.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/RegistrationServiceImpl.java
deleted file mode 100644
index 1d92644..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/RegistrationServiceImpl.java
+++ /dev/null
@@ -1,52 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao.RegistrationDAO;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao.VehicleDAO;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Registration;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.RegistrationValidator;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidRegistrationException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.Set;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-
-@Service
-public class RegistrationServiceImpl implements RegistrationService {
-
-    private final RegistrationDAO registrationDAO;
-    private final VehicleDAO vehicleDAO;
-
-    @Autowired
-    public RegistrationServiceImpl(RegistrationDAO registrationDAO, VehicleDAO vehicleDAO) {
-        this.registrationDAO = registrationDAO;
-        this.vehicleDAO = vehicleDAO;
-    }
-
-    @Override
-    public Set<Long> add(long vehicleId, Set<Registration> registrations)
-            throws InvalidVehicleException, InvalidRegistrationException, ServiceException {
-
-        if (vehicleId <= 0) throw new InvalidVehicleException("VehicleId invalid");
-
-        try {
-            Vehicle vehicle = vehicleDAO.get(vehicleId);
-
-            RegistrationValidator.validate(vehicle, registrations);
-
-            return registrationDAO.add(vehicle.id(), registrations);
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        } catch (ElementNotFoundException e) {
-            throw new InvalidVehicleException(e);
-        }
-    }
-
-    @Override
-    public void remove(long registrationId) throws InvalidRegistrationException, ServiceException {
-        throw new UnsupportedOperationException();
-    }
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/VehicleService.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/VehicleService.java
deleted file mode 100644
index fe09ca1..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/VehicleService.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.EnumSet;
-import java.util.Set;
-
-public interface VehicleService {
-
-    /**
-     * Add given vehicle to the store.
-     *
-     * @param vehicle that should be added to the store
-     * @return the id that was assigned
-     * @throws InvalidVehicleException if the vehicle is invalid
-     * @throws ServiceException if the vehicle could not be persisted
-     */
-    long add(Vehicle vehicle) throws InvalidVehicleException, ServiceException;
-
-    /**
-     * Update the given vehicle.
-     *
-     * @param vehicle that should be updated
-     * @return the updated vehicle
-     * @throws InvalidVehicleException if the vehicle is invalid
-     * @throws ServiceException if the updated vehicle could not be persisted
-     */
-    Vehicle update(Vehicle vehicle) throws InvalidVehicleException, ServiceException;
-
-    /**
-     * Get all stored vehicles with matching status.
-     *
-     * @param statuses set containing all statuses that should be matched
-     * @return list containing all stored vehicles
-     * @throws ServiceException if loading the stored vehicles failed
-     */
-    Set<Vehicle> list(EnumSet<Status> statuses) throws ServiceException;
-
-    /**
-     * Remove vehicle with the given id from the store.
-     *
-     * @param id of the vehicle that should be removed
-     * @throws InvalidVehicleException if given vehicle id is invalid or does not exist
-     * @throws ServiceException if the vehicle could not be removed from the store
-     */
-    void remove(long id) throws InvalidVehicleException, ServiceException;
-}
diff --git a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/VehicleServiceImpl.java b/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/VehicleServiceImpl.java
deleted file mode 100644
index 0bf4aa6..0000000
--- a/src/main/java/at/ac/tuwien/sepm/assignment/groupphase/einsatzverwaltung/service/VehicleServiceImpl.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.service;
-
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dao.VehicleDAO;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.ConstructionType;
-import at.ac.tuwien.sepm.assignment.groupphase.einsatzverwaltung.dto.Vehicle.Status;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ElementNotFoundException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.InvalidVehicleException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.PersistenceException;
-import at.ac.tuwien.sepm.assignment.groupphase.exception.ServiceException;
-import java.util.EnumSet;
-import java.util.Set;
-import java.util.stream.Collectors;
-import org.springframework.stereotype.Service;
-import org.springframework.util.CollectionUtils;
-
-@Service
-public class VehicleServiceImpl implements VehicleService {
-
-    private VehicleDAO vehiclePersistence;
-
-    public VehicleServiceImpl(VehicleDAO vehiclePersistence) {
-        this.vehiclePersistence = vehiclePersistence;
-    }
-
-    public long add(Vehicle vehicle) throws InvalidVehicleException, ServiceException {
-        if (!CollectionUtils.isEmpty(vehicle.registrations())) {
-            throw new InvalidVehicleException(
-                    "Fahrzeug kann nicht mit Anmeldungen erstellt werden");
-        }
-
-        validateVehicle(vehicle);
-        try {
-            vehiclePersistence.add(vehicle);
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-        return 0;
-    }
-
-    public Vehicle update(Vehicle vehicle) throws InvalidVehicleException, ServiceException {
-        validateVehicle(vehicle);
-        try {
-            vehiclePersistence.update(vehicle);
-        } catch (ElementNotFoundException e) {
-            throw new ServiceException("Element not found", e);
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-        return vehicle;
-    }
-
-    protected static void validateVehicle(Vehicle vehicle) throws InvalidVehicleException {
-        switch (vehicle.type()) {
-            case RTW:
-                if (vehicle.constructionType() == ConstructionType.NORMAL) {
-                    throw new InvalidVehicleException("RTW darf kein Normales Dach haben");
-                } else if (vehicle.constructionType() == ConstructionType.MITTELHOCHDACH) {
-                    throw new InvalidVehicleException("RTW darf kein Mittelhochdach haben");
-                }
-                break;
-            case KTW:
-                if (vehicle.constructionType() == ConstructionType.NORMAL) {
-                    throw new InvalidVehicleException("KTW darf kein Normales Dach haben");
-                }
-                break;
-            case KTW_B:
-                if (vehicle.constructionType() == ConstructionType.NORMAL) {
-                    throw new InvalidVehicleException("KTW-B darf kein Normales Dach haben");
-                }
-                break;
-            case NEF:
-                if (vehicle.constructionType() == ConstructionType.MITTELHOCHDACH) {
-                    throw new InvalidVehicleException("NEF darf kein Mittelhochdach haben");
-                } else if (vehicle.constructionType() == ConstructionType.HOCHDACH) {
-                    throw new InvalidVehicleException("NEF darf kein Hochdach haben");
-                }
-                break;
-            case NAH:
-                if (vehicle.constructionType() == ConstructionType.MITTELHOCHDACH) {
-                    throw new InvalidVehicleException("NEF darf kein Mittelhochdach haben");
-                } else if (vehicle.constructionType() == ConstructionType.HOCHDACH) {
-                    throw new InvalidVehicleException("NEF darf kein Hochdach haben");
-                }
-                break;
-            case BKTW:
-                break;
-            default:
-                throw new IllegalStateException("BUG: invalid vehicle type" + vehicle.type());
-        }
-    }
-
-    @Override
-    public Set<Vehicle> list(EnumSet<Status> statuses) throws ServiceException {
-        if (statuses == null) {
-            throw new ServiceException("Statuses may not be null");
-        }
-
-        Set<Vehicle> vehicles;
-
-        try {
-            vehicles = vehiclePersistence.list();
-        } catch (PersistenceException e) {
-            throw new ServiceException(e);
-        }
-
-        return vehicles.stream()
-                .filter(vehicle -> statuses.contains(vehicle.status()))
-                .collect(Collectors.toSet());
-    }
-
-    @Override
-    public void remove(long id) throws InvalidVehicleException, ServiceException {
-        throw new UnsupportedOperationException();
-    }
-}