/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * 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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.object.jpa;
import static com.orientechnologies.orient.core.entity.OEntityManager.getEntityManagerByDatabaseURL;
import static com.orientechnologies.orient.object.jpa.parsing.PersistenceXmlUtil.PERSISTENCE_XML;
import java.net.URL;
import java.util.Collection;
import java.util.Map;
import java.util.logging.Logger;
import com.orientechnologies.orient.core.entity.OEntityManager;
import com.orientechnologies.orient.object.jpa.OJPAProviderUtil;
import javax.persistence.EntityManagerFactory;
import javax.persistence.spi.PersistenceProvider;
import javax.persistence.spi.PersistenceUnitInfo;
import javax.persistence.spi.ProviderUtil;
import com.orientechnologies.orient.core.entity.OEntityManager;
import com.orientechnologies.orient.object.jpa.parsing.PersistenceXmlUtil;
@SuppressWarnings("rawtypes")
public class OJPAPersistenceProvider implements PersistenceProvider {
/** the log used by this class. */
private static Logger logger = Logger.getLogger(OJPAPersistenceProvider.class.getName());
private static OJPAProviderUtil providerUtil=new OJPAProviderUtil();
private Collection<? extends PersistenceUnitInfo> persistenceUnits = null;
public OJPAPersistenceProvider() {
URL persistenceXml = Thread.currentThread().getContextClassLoader().getResource(PERSISTENCE_XML);
try {
persistenceUnits = PersistenceXmlUtil.parse(persistenceXml);
} catch (Exception e) {
logger.info("Can't parse '" + PERSISTENCE_XML + "' :" + e.getMessage());
}
}
@Override
public synchronized EntityManagerFactory createEntityManagerFactory(String emName, Map map) {
if (emName == null) {
throw new IllegalStateException("Name of the persistence unit should not be null");
}
PersistenceUnitInfo unitInfo = PersistenceXmlUtil.findPersistenceUnit(emName, persistenceUnits);
return createContainerEntityManagerFactory(unitInfo, map);
}
@SuppressWarnings("unchecked")
@Override
public synchronized EntityManagerFactory createContainerEntityManagerFactory(PersistenceUnitInfo info, Map map) {
OJPAProperties properties = ((info == null) ? new OJPAProperties() : (OJPAProperties) info.getProperties());
// Override parsed properties with user specified
if (map != null && !map.isEmpty()) {
properties.putAll(map);
}
// register entities from <class> tag
OEntityManager entityManager = getEntityManagerByDatabaseURL(properties.getURL());
entityManager.registerEntityClasses(info.getManagedClassNames());
return new OJPAEntityManagerFactory(properties);
}
@Override
public ProviderUtil getProviderUtil() {
return providerUtil;
}
}