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Spring Framework example source code file (TopLinkJpaVendorAdapter.java)

This example Spring Framework source code file (TopLinkJpaVendorAdapter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

db2, entitymanager, informix, jpadialect, jpadialect, log, logging, map, persistenceprovider, persistenceprovider, properties, properties, sql_server, string, string, sybase, util

The Spring Framework TopLinkJpaVendorAdapter.java source code

/*
 * Copyright 2002-2008 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.
 *
 * <p>Exposes TopLink's persistence provider and EntityManager extension interface,
 * and supports {@link 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 String getPersistenceProviderRootPackage() {
		return "oracle.toplink.essentials";
	}

	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 <code>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 JpaDialect getJpaDialect() {
		return this.jpaDialect;
	}

	public Class<? extends EntityManager> getEntityManagerInterface() {
		return oracle.toplink.essentials.ejb.cmp3.EntityManager.class;
	}

}

Other Spring Framework examples (source code examples)

Here is a short list of links related to this Spring Framework TopLinkJpaVendorAdapter.java source code file:

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