/*
* Copyright 2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.jpa.repository.cdi;
import java.lang.annotation.Annotation;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.persistence.EntityManager;
import org.springframework.data.jpa.repository.support.JpaRepositoryFactory;
import org.springframework.data.repository.cdi.CdiRepositoryBean;
import org.springframework.data.repository.config.CustomRepositoryImplementationDetector;
import org.springframework.util.Assert;
/**
* A bean which represents a JPA repository.
*
* @author Dirk Mahler
* @author Oliver Gierke
* @author Mark Paluch
* @param <T> The type of the repository.
*/
class JpaRepositoryBean<T> extends CdiRepositoryBean<T> {
private final Bean<EntityManager> entityManagerBean;
/**
* Constructs a {@link JpaRepositoryBean}.
*
* @param beanManager must not be {@literal null}.
* @param entityManagerBean must not be {@literal null}.
* @param qualifiers must not be {@literal null}.
* @param repositoryType must not be {@literal null}.
* @param detector can be {@literal null}.
*/
JpaRepositoryBean(BeanManager beanManager, Bean<EntityManager> entityManagerBean, Set<Annotation> qualifiers,
Class<T> repositoryType, CustomRepositoryImplementationDetector detector) {
super(qualifiers, repositoryType, beanManager, detector);
Assert.notNull(entityManagerBean);
this.entityManagerBean = entityManagerBean;
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.cdi.CdiRepositoryBean#create(javax.enterprise.context.spi.CreationalContext, java.lang.Class, java.lang.Object)
*/
@Override
public T create(CreationalContext<T> creationalContext, Class<T> repositoryType, Object customImplementation) {
// Get an instance from the associated entity manager bean.
EntityManager entityManager = getDependencyInstance(entityManagerBean, EntityManager.class);
// Create the JPA repository instance and return it.
JpaRepositoryFactory factory = new JpaRepositoryFactory(entityManager);
return factory.getRepository(repositoryType, customImplementation);
}
}