public void deleteRelation()

in odata2-lib/odata-ref/src/main/java/org/apache/olingo/odata2/ref/processor/ScenarioDataSource.java [483:542]
55 lines of code
19 McCabe index (conditional complexity)

  public void deleteRelation(final EdmEntitySet sourceEntitySet, final Object sourceData,
      final EdmEntitySet targetEntitySet, final Map<String, Object> targetKeys) throws ODataNotImplementedException,
      ODataNotFoundException, EdmException, ODataApplicationException {
    if (ENTITYSET_1_1.equals(targetEntitySet.getName())) {
      if (ENTITYSET_1_2.equals(sourceEntitySet.getName())) {
        for (Iterator<Employee> iterator = ((Team) sourceData).getEmployees().iterator(); iterator.hasNext();) {
          final Employee employee = iterator.next();
          if (employee.getId().equals(targetKeys.get("EmployeeId"))) {
            employee.setTeam(null);
            iterator.remove();
          }
        }
      } else if (ENTITYSET_1_3.equals(sourceEntitySet.getName())) {
        for (Iterator<Employee> iterator = ((Room) sourceData).getEmployees().iterator(); iterator.hasNext();) {
          final Employee employee = iterator.next();
          if (employee.getId().equals(targetKeys.get("EmployeeId"))) {
            employee.setRoom(null);
            iterator.remove();
          }
        }
      } else if (ENTITYSET_1_4.equals(sourceEntitySet.getName())) {
        for (Iterator<Employee> iterator = ((Manager) sourceData).getEmployees().iterator(); iterator.hasNext();) {
          final Employee employee = iterator.next();
          if (employee.getId().equals(targetKeys.get("EmployeeId"))) {
            employee.setManager(null);
            iterator.remove();
          }
        }
      }

    } else if (ENTITYSET_1_2.equals(targetEntitySet.getName())) {
      ((Employee) sourceData).getTeam().getEmployees().remove(sourceData);
      ((Employee) sourceData).setTeam(null);

    } else if (ENTITYSET_1_3.equals(targetEntitySet.getName())) {
      if (ENTITYSET_1_1.equals(sourceEntitySet.getName())) {
        ((Employee) sourceData).getRoom().getEmployees().remove(sourceData);
        ((Employee) sourceData).setRoom(null);
      } else if (ENTITYSET_1_5.equals(sourceEntitySet.getName())) {
        for (Iterator<Room> iterator = ((Building) sourceData).getRooms().iterator(); iterator.hasNext();) {
          final Room room = iterator.next();
          if (room.getId().equals(targetKeys.get("Id"))) {
            room.setBuilding(null);
            iterator.remove();
          }
        }
      }

    } else if (ENTITYSET_1_4.equals(targetEntitySet.getName())) {
      ((Employee) sourceData).getManager().getEmployees().remove(sourceData);
      ((Employee) sourceData).setManager(null);

    } else if (ENTITYSET_1_5.equals(targetEntitySet.getName())) {
      ((Room) sourceData).getBuilding().getRooms().remove(sourceData);
      ((Room) sourceData).setBuilding(null);

    } else {
      throw new ODataNotImplementedException();
    }
  }