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Spring Framework example source code file (EclipseLinkJpaVendorAdapter.java)
The Spring Framework EclipseLinkJpaVendorAdapter.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 org.eclipse.persistence.jpa.JpaEntityManager;
import org.eclipse.persistence.jpa.config.PersistenceUnitProperties;
import org.eclipse.persistence.jpa.config.TargetDatabase;
import org.springframework.orm.jpa.JpaDialect;
/**
* {@link org.springframework.orm.jpa.JpaVendorAdapter} implementation for
* Eclipse Persistence Services (EclipseLink). Developed and tested against
* EclipseLink 1.0 M4.
*
* <p>Exposes EclipseLink's persistence provider and EntityManager extension interface,
* and supports {@link AbstractJpaVendorAdapter}'s common configuration settings.
*
* <p>This class is very analogous to {@link TopLinkJpaVendorAdapter}, since
* EclipseLink is effectively the next generation of the TopLink product.
* Thanks to Mike Keith for the original EclipseLink support prototype!
*
* @author Juergen Hoeller
* @since 2.5.2
* @see org.eclipse.persistence.jpa.PersistenceProvider
* @see org.eclipse.persistence.jpa.JpaEntityManager
*/
public class EclipseLinkJpaVendorAdapter extends AbstractJpaVendorAdapter {
private final PersistenceProvider persistenceProvider = new org.eclipse.persistence.jpa.PersistenceProvider();
private final JpaDialect jpaDialect = new EclipseLinkJpaDialect();
public PersistenceProvider getPersistenceProvider() {
return this.persistenceProvider;
}
public String getPersistenceProviderRootPackage() {
return "org.eclipse.persistence";
}
public Map getJpaPropertyMap() {
Properties jpaProperties = new Properties();
if (getDatabasePlatform() != null) {
jpaProperties.setProperty(PersistenceUnitProperties.TARGET_DATABASE, getDatabasePlatform());
}
else if (getDatabase() != null) {
String targetDatabase = determineTargetDatabaseName(getDatabase());
if (targetDatabase != null) {
jpaProperties.setProperty(PersistenceUnitProperties.TARGET_DATABASE, targetDatabase);
}
}
if (isGenerateDdl()) {
jpaProperties.setProperty(PersistenceUnitProperties.DDL_GENERATION,
PersistenceUnitProperties.CREATE_ONLY);
jpaProperties.setProperty(PersistenceUnitProperties.DDL_GENERATION_MODE,
PersistenceUnitProperties.DDL_DATABASE_GENERATION);
}
if (isShowSql()) {
jpaProperties.setProperty(PersistenceUnitProperties.LOGGING_LEVEL, Level.FINE.toString());
}
return jpaProperties;
}
/**
* Determine the EclipseLink target database name for the given database.
* @param database the specified database
* @return the EclipseLink target database name, or <code>null
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