jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/platform/GenericJpaPlatformFactory.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.jpt.core.internal.platform;

import org.eclipse.jpt.core.JpaAnnotationDefinitionProvider;
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.JpaPlatformProvider;
import org.eclipse.jpt.core.JpaValidation;

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

	/**
	 * zero-argument constructor
	 */
	public GenericJpaPlatformFactory() {
		super();
	}
	
	public JpaPlatform buildJpaPlatform(String id) {
		return new GenericJpaPlatform(
			id,
			this.buildJpaFactory(), 
			this.buildJpaAnnotationProvider(), 
			this.buildJpaValidation(),
			this.platformProviders());
	}
	
	protected JpaFactory buildJpaFactory() {
		return new GenericJpaFactory();
	}
	
	protected JpaAnnotationProvider buildJpaAnnotationProvider() {
		return new GenericJpaAnnotationProvider(this.annotationDefinitionProvider());
	}

	protected JpaPlatformProvider[] platformProviders() {
		JpaPlatformProvider[] platformProviders =  {
			GenericJpaPlatformProvider.instance()
		};
		return platformProviders;
	}

	protected JpaAnnotationDefinitionProvider annotationDefinitionProvider() {
		return GenericJpaAnnotationDefinitionProvider.instance();
	}
	
	protected JpaValidation buildJpaValidation() {
		return new JpaValidation() {
			public Supported getTablePerConcreteClassInheritanceIsSupported() {
				return Supported.MAYBE;
			}
		};
	}
}