/* $Id: DiagramInterchangeModel.java 17747 2010-01-10 21:16:51Z linus $
 *******************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * 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:
 *    mvw
 *******************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 2004-2006 The Regents of the University of California. All
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package org.argouml.model;

/**
 * An interface to the OMG Diagram Interchange Model. Only implemented
 * by model implementations that wrap a repository that is aware of such
 * a model.<p>
 *
 * This interface is open for change as DI requirements become more clearly
 * understood.
 * @author Bob Tarling
 */
public interface DiagramInterchangeModel {

    DiDiagram createDiagram(Class type, Object owner);
    void deleteDiagram(DiDiagram diagram);

    DiElement createElement(DiDiagram diagram, Object modelElement);
    void deleteElement(DiElement diagram);

    // These methods are based on the GraphEvents. These need replacing by
    // more specic meaningful requests of the diagram interface model
    void nodeAdded(Object source, Object arg);
    void edgeAdded(Object source, Object arg);
    void nodeRemoved(Object source, Object arg);
    void edgeRemoved(Object source, Object arg);
    void graphChanged(Object source, Object arg);
}