org.eclipse.gmf.runtime.emf.type.core/src/org/eclipse/gmf/runtime/emf/type/core/ISpecializationTypeDescriptor.java

/******************************************************************************
 * Copyright (c) 2005 IBM Corporation and others.
 * 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:
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

package org.eclipse.gmf.runtime.emf.type.core;

import org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditHelperAdvice;

/**
 * Descriptor for a specialization element type that has been defined in XML
 * using the <code>elementTypes</code> extension point.
 * 
 * @author ldamus
 */
public interface ISpecializationTypeDescriptor extends IElementTypeDescriptor {

	/**
	 * Gets the container descriptor.
	 * 
	 * @return the container descriptor
	 */
	public abstract IContainerDescriptor getContainerDescriptor();

	/**
	 * Gets the element types that this type specializes.
	 * 
	 * @return an array of types that are specialized by this type.
	 */
	public abstract IElementType[] getSpecializedTypes();

	/**
	 * Gets the element matcher. May cause the plugin defining the element
	 * matcher class to be loaded.
	 * 
	 * @return the element matcher.
	 */
	public abstract IElementMatcher getMatcher();

	/**
	 * Gets my edit helper advice. The advice can return 'before' or 'after'
	 * editing commands for editing elements of the types that I specialize.
	 * <P>
	 * May cause the plugin defining the edit helper advice class to be loaded.
	 * 
	 * @return the edit helper advice.
	 */
	public abstract IEditHelperAdvice getEditHelperAdvice();
}