spring SpringHibernateJpaPersistenceProvider 源码
spring SpringHibernateJpaPersistenceProvider 代码
文件路径：/spring-orm/src/main/java/org/springframework/orm/jpa/vendor/SpringHibernateJpaPersistenceProvider.java
/*
* Copyright 2002-2016 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
*
* https://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.orm.jpa.vendor;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import jakarta.persistence.EntityManagerFactory;
import jakarta.persistence.spi.PersistenceUnitInfo;
import org.hibernate.cfg.Configuration;
import org.hibernate.jpa.HibernatePersistenceProvider;
import org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl;
import org.hibernate.jpa.boot.internal.PersistenceUnitInfoDescriptor;
import org.springframework.orm.jpa.persistenceunit.SmartPersistenceUnitInfo;
/**
* Spring-specific subclass of the standard {@link HibernatePersistenceProvider}
* from the {@code org.hibernate.jpa} package, adding support for
* {@link SmartPersistenceUnitInfo#getManagedPackages()}.
*
* @author Juergen Hoeller
* @author Joris Kuipers
* @since 4.1
* @see Configuration#addPackage
*/
class SpringHibernateJpaPersistenceProvider extends HibernatePersistenceProvider {
@Override
@SuppressWarnings("rawtypes")
public EntityManagerFactory createContainerEntityManagerFactory(PersistenceUnitInfo info, Map properties) {
final List<String> mergedClassesAndPackages = new ArrayList<>(info.getManagedClassNames());
if (info instanceof SmartPersistenceUnitInfo) {
mergedClassesAndPackages.addAll(((SmartPersistenceUnitInfo) info).getManagedPackages());
}
return new EntityManagerFactoryBuilderImpl(
new PersistenceUnitInfoDescriptor(info) {
@Override
public List<String> getManagedClassNames() {
return mergedClassesAndPackages;
}
}, properties).build();
}
}
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