jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt2_0/core/internal/platform/Generic2_0JpaPlatformFactory.java

/*******************************************************************************
 * Copyright (c) 2009 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0, which accompanies this distribution
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 * 
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt2_0.core.internal.platform;

import org.eclipse.jpt.core.JpaAnnotationProvider;
import org.eclipse.jpt.core.JpaFactory;
import org.eclipse.jpt.core.JpaPlatform;
import org.eclipse.jpt.core.JpaPlatformFactory;
import org.eclipse.jpt.core.JpaValidation;
import org.eclipse.jpt.core.internal.platform.GenericJpaAnnotationProvider;
import org.eclipse.jpt.core.internal.platform.GenericJpaPlatform;
import org.eclipse.jpt.core.internal.platform.GenericJpaPlatformProvider;

/**
 * All the state in the JPA platform should be "static" (i.e. unchanging once
 * it is initialized).
 */
public class Generic2_0JpaPlatformFactory
	implements JpaPlatformFactory
{

	/**
	 * zero-argument constructor
	 */
	public Generic2_0JpaPlatformFactory() {
		super();
	}
	
	public JpaPlatform buildJpaPlatform(String id) {
		return new GenericJpaPlatform(
			id,
			buildJpaFactory(), 
			buildJpaAnnotationProvider(), 
			buildJpaValidation(),
			GenericJpaPlatformProvider.instance(), 
			Generic2_0JpaPlatformProvider.instance());
	}
	
	protected JpaFactory buildJpaFactory() {
		return new Generic2_0JpaFactory();
	}
	
	protected JpaAnnotationProvider buildJpaAnnotationProvider() {
		return new GenericJpaAnnotationProvider(
			Generic2_0JpaAnnotationDefinitionProvider.instance());
	}
	
	protected JpaValidation buildJpaValidation() {
		return new JpaValidation() {
			//table_per_class inheritance support is optional in the 2.0 spec
			public Supported getTablePerConcreteClassInheritanceIsSupported() {
				return Supported.MAYBE;
			}
		};
	}
}