public class BaseRepositoryFactoryBean<R extends JpaRepository<T, I>, T, I extends Serializable> extends JpaRepositoryFactoryBean<R, T, I> {

	@SuppressWarnings("rawtypes")
	@Override
	protected RepositoryFactorySupport createRepositoryFactory(EntityManager entityManager) {
		return new BaseRepositoryFactory(entityManager);
	}

	private static class BaseRepositoryFactory<T, I extends Serializable> extends JpaRepositoryFactory {

		private final EntityManager em;

		public BaseRepositoryFactory(EntityManager em) {

			super(em);
			this.em = em;
		}

		@SuppressWarnings({ "unchecked", "rawtypes", "hiding" })
		protected <T, ID extends Serializable> SimpleJpaRepository<?, ?> getTargetRepository(RepositoryMetadata metadata, EntityManager entityManager) {
			SimpleJpaRepository<?, ?> repo = new BaseRepositoryImpl(metadata.getDomainType(), entityManager);
			return repo;
		}

		protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
			return BaseRepositoryImpl.class;
		}
	}

}