tx-control-provider-jpa-common/src/main/java/org/apache/aries/tx/control/jpa/common/impl/ResourceTrackingJPAEntityManagerProviderFactory.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 WARRANTIESOR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.aries.tx.control.jpa.common.impl;

import java.util.Map;

import javax.persistence.EntityManagerFactory;

import org.apache.aries.tx.control.resource.common.impl.TrackingResourceProviderFactory;
import org.osgi.service.jpa.EntityManagerFactoryBuilder;
import org.osgi.service.transaction.control.jpa.JPAEntityManagerProvider;
import org.osgi.service.transaction.control.jpa.JPAEntityManagerProviderFactory;

public class ResourceTrackingJPAEntityManagerProviderFactory extends 
	TrackingResourceProviderFactory<AbstractJPAEntityManagerProvider> implements 
	JPAEntityManagerProviderFactory {

	private final InternalJPAEntityManagerProviderFactory factory;
	
	public ResourceTrackingJPAEntityManagerProviderFactory(InternalJPAEntityManagerProviderFactory factory) {
		this.factory = factory;
	}

	@Override
	public JPAEntityManagerProvider getProviderFor(EntityManagerFactoryBuilder emfb, Map<String, Object> jpaProperties,
			Map<String, Object> resourceProviderProperties) {
		return doGetResult(() -> factory.getProviderFor(emfb, 
				jpaProperties, resourceProviderProperties));
	}

	@Override
	public JPAEntityManagerProvider getProviderFor(EntityManagerFactory emf, Map<String, Object> resourceProviderProperties) {
		return doGetResult(() -> factory.getProviderFor(emf, 
				resourceProviderProperties));
	}

	@Override
	public void releaseProvider(JPAEntityManagerProvider provider) {
		if(provider instanceof AbstractJPAEntityManagerProvider) {
			release((AbstractJPAEntityManagerProvider)provider);
		} else {
			throw new IllegalArgumentException(
					"The supplied JPAEntityManagerProvider was not created by this JPAEntityManagerProviderFactory");
		}
	}
}