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This plug-in contains the bulk of the Workbench implementation, and depends on JFace, SWT, and Core Runtime. It cannot be used independently from org.eclipse.ui. Workbench client plug-ins should not depend directly on this plug-in.

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/*******************************************************************************
 * Copyright (c) 2006 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.ui;

/**
 * An editor can implement this interface and participate in the workbench
 * session save/restore cycle using IMemento, similar to how
 * IViewPart currently works.
 * 
 * Refer to IWorkbenchPart for the part lifecycle.
 * 
 * 
 * If a memento is available, restoreState(*) will be inserted into the editor
 * startup.
 * 

 * editor.init(site, input)
 * editor.restoreState(memento)
 * editor.createPartControl(parent)
 * ...
 * 
 * 
 * 
 * On workbench shutdown, the editor state will be persisted when the editor
 * references are saved.
 * 
 * 
 * @since 3.3
 */
public interface IPersistableEditor extends IPersistable {
	/**
	 * Called with a memento for this editor. The editor can parse the data or
	 * save the memento. This method may not be called.
	 * 
	 * @param memento
	 *            the saved state for this editor. May be null.
	 */
	public void restoreState(IMemento memento);
}