org.springframework.orm.jpa.vendor.TopLinkJpaVendorAdapter Maven / Gradle / Ivy
/*
* Copyright 2002-2006 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.orm.jpa.vendor;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;
import javax.persistence.EntityManager;
import javax.persistence.spi.PersistenceProvider;
import oracle.toplink.essentials.config.TargetDatabase;
import oracle.toplink.essentials.config.TopLinkProperties;
import oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider;
import org.springframework.orm.jpa.JpaDialect;
/**
* {@link org.springframework.orm.jpa.JpaVendorAdapter} implementation for
* Oracle TopLink Essentials. Developed and tested against TopLink Essentials v2.
*
* Exposes TopLink's persistence provider and EntityManager extension interface,
* and supports AbstractJpaVendorAdapter's common configuration settings.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @since 2.0
* @see oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider
* @see oracle.toplink.essentials.ejb.cmp3.EntityManager
*/
public class TopLinkJpaVendorAdapter extends AbstractJpaVendorAdapter {
private final PersistenceProvider persistenceProvider = new EntityManagerFactoryProvider();
private final JpaDialect jpaDialect = new TopLinkJpaDialect();
public PersistenceProvider getPersistenceProvider() {
return this.persistenceProvider;
}
public Map getJpaPropertyMap() {
Properties jpaProperties = new Properties();
if (getDatabasePlatform() != null) {
jpaProperties.setProperty(TopLinkProperties.TARGET_DATABASE, getDatabasePlatform());
}
else if (getDatabase() != null) {
String targetDatabase = determineTargetDatabaseName(getDatabase());
if (targetDatabase != null) {
jpaProperties.setProperty(TopLinkProperties.TARGET_DATABASE, targetDatabase);
}
}
if (isGenerateDdl()) {
jpaProperties.setProperty(EntityManagerFactoryProvider.DDL_GENERATION,
EntityManagerFactoryProvider.CREATE_ONLY);
jpaProperties.setProperty(EntityManagerFactoryProvider.DDL_GENERATION_MODE,
EntityManagerFactoryProvider.DDL_DATABASE_GENERATION);
}
if (isShowSql()) {
jpaProperties.setProperty(TopLinkProperties.LOGGING_LEVEL, Level.FINE.toString());
}
return jpaProperties;
}
/**
* Determine the TopLink target database name for the given database.
* @param database the specified database
* @return the TopLink target database name, or null if none found
*/
protected String determineTargetDatabaseName(Database database) {
switch (database) {
case DB2: return TargetDatabase.DB2;
case HSQL: return TargetDatabase.HSQL;
case INFORMIX: return TargetDatabase.Informix;
case MYSQL: return TargetDatabase.MySQL4;
case ORACLE: return TargetDatabase.Oracle;
case POSTGRESQL: return TargetDatabase.PostgreSQL;
case SQL_SERVER: return TargetDatabase.SQLServer;
case SYBASE: return TargetDatabase.Sybase;
default: return null;
}
}
public Class getEntityManagerInterface() {
return oracle.toplink.essentials.ejb.cmp3.EntityManager.class;
}
public JpaDialect getJpaDialect() {
return this.jpaDialect;
}
}