/**
 * Extend this class if you intend on implementing EntityRepository with a JPA persistent context.
 *
 * This class requires all sub classes to have a constructor that sets an instance of JpaRepository and the entity's type.
 *
 * @param <I> The class that represents the id of the entity.
 * @param <E> The entity class.
 */
public abstract class JpaEntityRepository<I,E> implements EntityRepository<I,E>{
	protected final JpaRepository repository;
	protected final Class<E> entityType;

	protected JpaEntityRepository(JpaRepository repository, Class<E> entityType){
		this.repository = repository;
		this.entityType = entityType;
	}

	@Override
	public boolean contains(E entity){
		return repository.contains(entity);
	}

	@Override
	public void detach(E entity){
		repository.detach(entity);
	}

	@Override
	public E find(I id){
		return repository.find(entityType, id);
	}

	@Override
	public void persist(E entity){
		repository.persist(entity);
	}

	@Override
	public void refresh(E entity){
		repository.refresh(entity);
	}

	@Override
	public void remove(E entity){
		repository.remove(entity);
	}

	@Override
	public E merge(E entity){
		return repository.merge(entity);
	}
}