jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/jpa2/context/java/JavaEmbeddedMappingDefinition2_0.java

/*******************************************************************************
 * Copyright (c) 2010, 2011 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.jpa.core.internal.jpa2.context.java;

import org.eclipse.jpt.common.utility.internal.iterables.ArrayIterable;
import org.eclipse.jpt.common.utility.internal.iterables.CompositeIterable;
import org.eclipse.jpt.jpa.core.context.java.DefaultJavaAttributeMappingDefinition;
import org.eclipse.jpt.jpa.core.internal.context.java.DefaultJavaAttributeMappingDefinitionWrapper;
import org.eclipse.jpt.jpa.core.internal.context.java.JavaEmbeddedMappingDefinition;
import org.eclipse.jpt.jpa.core.resource.java.AssociationOverrideAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.AssociationOverridesAnnotation;

public class JavaEmbeddedMappingDefinition2_0
	extends DefaultJavaAttributeMappingDefinitionWrapper
{
	private static final DefaultJavaAttributeMappingDefinition DELEGATE = JavaEmbeddedMappingDefinition.instance();

	// singleton
	private static final DefaultJavaAttributeMappingDefinition INSTANCE = new JavaEmbeddedMappingDefinition2_0();

	/**
	 * Return the singleton.
	 */
	public static DefaultJavaAttributeMappingDefinition instance() {
		return INSTANCE;
	}


	/**
	 * Enforce singleton usage
	 */
	private JavaEmbeddedMappingDefinition2_0() {
		super();
	}

	@Override
	protected DefaultJavaAttributeMappingDefinition getDelegate() {
		return DELEGATE;
	}

	@Override
	public Iterable<String> getSupportingAnnotationNames() {
		return COMBINED_SUPPORTING_ANNOTATION_NAMES;
	}

	private static final String[] SUPPORTING_ANNOTATION_NAMES_ARRAY_2_0 = new String[] {
		AssociationOverrideAnnotation.ANNOTATION_NAME,
		AssociationOverridesAnnotation.ANNOTATION_NAME,
	};
	public static final Iterable<String> SUPPORTING_ANNOTATION_NAMES_2_0 = new ArrayIterable<String>(SUPPORTING_ANNOTATION_NAMES_ARRAY_2_0);

	@SuppressWarnings("unchecked")
	private static final Iterable<String> COMBINED_SUPPORTING_ANNOTATION_NAMES = new CompositeIterable<String>(
		DELEGATE.getSupportingAnnotationNames(),
		SUPPORTING_ANNOTATION_NAMES_2_0
	);
}