/*
* 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 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.apache.openjpa.persistence.jdbc;
import java.security.AccessController;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.openjpa.conf.OpenJPAConfiguration;
import org.apache.openjpa.conf.OpenJPAProductDerivation;
import org.apache.openjpa.conf.Specification;
import org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl;
import org.apache.openjpa.jdbc.kernel.JDBCStoreManager;
import org.apache.openjpa.jdbc.sql.MySQLDictionary;
import org.apache.openjpa.jdbc.sql.OracleDictionary;
import org.apache.openjpa.lib.conf.AbstractProductDerivation;
import org.apache.openjpa.lib.conf.Configuration;
import org.apache.openjpa.lib.util.J2DoPrivHelper;
import org.apache.openjpa.persistence.FetchPlan;
import org.apache.openjpa.persistence.PersistenceProductDerivation;
/**
* Sets JDBC-specific JPA specification defaults.
*
* @author Abe White
* @nojavadoc
*/
public class JDBCPersistenceProductDerivation
extends AbstractProductDerivation
implements OpenJPAProductDerivation {
public void putBrokerFactoryAliases(Map m) {
}
public int getType() {
return TYPE_SPEC_STORE;
}
@Override
public void validate()
throws Exception {
// make sure JPA is available
AccessController.doPrivileged(J2DoPrivHelper.getClassLoaderAction(
javax.persistence.EntityManagerFactory.class));
}
@Override
public boolean beforeConfigurationLoad(Configuration c) {
if (c instanceof OpenJPAConfiguration) {
((OpenJPAConfiguration) c).getStoreFacadeTypeRegistry().
registerImplementation(FetchPlan.class, JDBCStoreManager.class,
JDBCFetchPlanImpl.class);
}
if (!(c instanceof JDBCConfigurationImpl))
return false;
JDBCConfigurationImpl conf = (JDBCConfigurationImpl) c;
Specification jpa = PersistenceProductDerivation.SPEC_JPA;
Specification ejb = PersistenceProductDerivation.ALIAS_EJB;
conf.metaFactoryPlugin.setAlias(ejb.getName(),
PersistenceMappingFactory.class.getName());
conf.metaFactoryPlugin.setAlias(jpa.getName(),
PersistenceMappingFactory.class.getName());
conf.mappingFactoryPlugin.setAlias(ejb.getName(),
PersistenceMappingFactory.class.getName());
conf.mappingFactoryPlugin.setAlias(jpa.getName(),
PersistenceMappingFactory.class.getName());
conf.mappingDefaultsPlugin.setAlias(ejb.getName(),
PersistenceMappingDefaults.class.getName());
conf.mappingDefaultsPlugin.setAlias(jpa.getName(),
PersistenceMappingDefaults.class.getName());
return true;
}
@Override
public boolean afterSpecificationSet(Configuration c) {
if (!(c instanceof JDBCConfigurationImpl))
return false;
JDBCConfigurationImpl conf = (JDBCConfigurationImpl) c;
Specification jpa = PersistenceProductDerivation.SPEC_JPA;
if (!jpa.getName().equals(conf.getSpecificationInstance().getName()))
return false;
conf.mappingDefaultsPlugin.setDefault(jpa.getName());
conf.mappingDefaultsPlugin.setString(jpa.getName());
return true;
}
/**
* Hint keys correspond to some (not all) bean-style mutable property name in JDBCFetchConfiguration.
* The fully qualified key is prefixed with <code>openjpa.jdbc</code>.
*/
private static Set<String> _hints = new HashSet<String>();
static {
_hints.add("openjpa.FetchPlan.EagerFetchMode");
_hints.add("openjpa.FetchPlan.FetchDirection");
_hints.add("openjpa.FetchPlan.TransactionIsolation");
_hints.add("openjpa.FetchPlan.JoinSyntax");
_hints.add("openjpa.FetchPlan.LRSSize");
_hints.add("openjpa.FetchPlan.ResultSetType");
_hints.add("openjpa.FetchPlan.SubclassFetchMode");
_hints.add(MySQLDictionary.SELECT_HINT);
_hints.add(OracleDictionary.SELECT_HINT);
_hints = Collections.unmodifiableSet(_hints);
}
@Override
public Set<String> getSupportedQueryHints() {
return _hints;
}
}