/*******************************************************************************
 * Copyright (c) 2009, 2010 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.jpa2.context;

import org.eclipse.jpt.jpa.core.context.JpaContextNode;

/**
 * Derived identity strategy
 * <p>
 * Provisional API: This interface is part of an interim API that is still
 * under development and expected to change significantly before reaching
 * stability. It is available at this early stage to solicit feedback from
 * pioneering adopters on the understanding that any code that uses this API
 * will almost certainly be broken (repeatedly) as the API evolves.
 * 
 * @version 2.3
 * @since 2.3
 */
public interface DerivedIdentityStrategy2_0
	extends JpaContextNode
{
	/**
	 * Return whether the strategy is specified on the resource model.
	 */
	boolean isSpecified();
	
	/**
	 * Add this strategy to the relationship reference.
	 */
	void addStrategy();
	
	/**
	 * Remove this strategy from the relationship reference.
	 */
	void removeStrategy();
}