jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/content/java/mappings/JavaManyToManyProvider.java

/*******************************************************************************
 * Copyright (c) 2007 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.content.java.mappings;

import org.eclipse.jpt.core.internal.IJpaFactory;
import org.eclipse.jpt.core.internal.IMappingKeys;
import org.eclipse.jpt.core.internal.content.java.IJavaAttributeMapping;
import org.eclipse.jpt.core.internal.content.java.IJavaAttributeMappingProvider;
import org.eclipse.jpt.core.internal.jdtutility.Attribute;
import org.eclipse.jpt.core.internal.jdtutility.DeclarationAnnotationAdapter;

/**
 * 
 */
public class JavaManyToManyProvider
	implements IJavaAttributeMappingProvider
{

	// singleton
	private static final JavaManyToManyProvider INSTANCE = new JavaManyToManyProvider();

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

	/**
	 * Ensure non-instantiability.
	 */
	private JavaManyToManyProvider() {
		super();
	}

	public String key() {
		return IMappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY;
	}

	public IJavaAttributeMapping buildMapping(Attribute attribute, IJpaFactory factory) {
		return factory.createJavaManyToMany(attribute);
	}

	public DeclarationAnnotationAdapter declarationAnnotationAdapter() {
		return JavaManyToMany.DECLARATION_ANNOTATION_ADAPTER;
	}

}