Package at.jku.dke.etutor.task_app.services

Interface TaskGroupService<G extends TaskGroup,S>

Type Parameters:
G - The task group type.
S - The type of the additional data used in ModifyTaskGroupDto.
All Known Implementing Classes:
BaseTaskGroupService
@Validated public interface TaskGroupService<G extends TaskGroup,S>
Interface for classes that manage TaskGroups.

  • Method Details

    • get

      Optional<G> get(long id)
      Returns the task group with the specified identifier.
      Parameters:
      id - The identifier.
      Returns:
      The task group or an empty result if the task group does not exist.

    • create

      TaskGroupModificationResponseDto create(long id, @Valid @Valid ModifyTaskGroupDto<S> dto)
      Creates a new task group.
      Parameters:
      id - The task group identifier.
      dto - The task group data.
      Returns:
      The data that should be sent to the task administration UI (might be null).
      Throws:
      DuplicateKeyException - If a task group with the specified identifier already exists.

    • update

      TaskGroupModificationResponseDto update(long id, @Valid @Valid ModifyTaskGroupDto<S> dto)
      Updates an existing task group.
      Parameters:
      id - The task group identifier.
      dto - The new task group data.
      Returns:
      The data that should be sent to the task administration UI (might be null).
      Throws:
      jakarta.persistence.EntityNotFoundException - If the task group does not exist.

    • delete

      void delete(long id)
      Deletes the task group with the specified identifier.
      Parameters:
      id - The identifier of the task group to delete.