import org.springframework.data.jpa.repository.support.QueryDslJpaRepository; //导入依赖的package包/类
@Override
protected Class<?> getRepositoryBaseClass(RepositoryMetadata metadata) {
	if (isQueryDslExecutor(metadata.getRepositoryInterface())) {
		return QueryDslJpaRepository.class;
	} else {
		return JpaSupportRepository.class;
	}
}
 

import org.springframework.data.jpa.repository.support.QueryDslJpaRepository; //导入依赖的package包/类
@Override
protected Class<?> getRepositoryBaseClass(final RepositoryMetadata metadata) {

    if (isQueryDslExecutor(metadata.getRepositoryInterface())) {
        return QueryDslJpaRepository.class;
    } else {
        return GenericRepositoryImpl.class;
    }
}
 

import org.springframework.data.jpa.repository.support.QueryDslJpaRepository; //导入依赖的package包/类
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
protected <T, ID extends Serializable> SimpleJpaRepository<?, ?> getTargetRepository(
        final RepositoryMetadata metadata, final EntityManager entityManager) {

    Class<?> repositoryInterface = metadata.getRepositoryInterface();

    JpaEntityInformation<?, Serializable> entityInformation = getEntityInformation(metadata.getDomainType());

    if (isQueryDslExecutor(repositoryInterface)) {
        return new QueryDslJpaRepository(entityInformation, entityManager);
    } else {
        return new GenericRepositoryImpl(entityInformation, entityManager, namedQueryUtil); // custom
    }
}