Klasse OptionalBackReference<E extends IEntity>

Alle implementierten Schnittstellen:
INameHolder, MandatorynessRequestable, CloseStateRequestable, EmptinessRequestable, DeletionRequestable, EditedRequestable, IDatabaseObject, LoadedRequestable, NewRequestable, IBaseBackReference<E>, IField, IOptionalBackReference<E>

public final class OptionalBackReference<E extends IEntity> extends BaseBackReference<E> implements IOptionalBackReference<E>