/*******************************************************************************
* Copyright (c) 2003, 2015 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.navigator;
import org.eclipse.ui.IMemento;
/**
* Clients may use mementos to persist interesting state between sessions.
* Clients should ensure that the memento keys are unique; generally by using
* the id of the content extension as a prefix.
*
* @since 3.2
*
*/
public interface IMementoAware {
/**
* <p>
* Restore the previous state of any actions using the flags in aMemento.
* This method allows the state of any actions that persist from session to
* session to be restored.
* </p>
*
* @param aMemento
* A memento that was given to the view part to restore its
* state.
*/
public void restoreState(IMemento aMemento);
/**
* <p>
* Save flags in aMemento to remember the state of any actions that persist
* from session to session.
* </p>
* <p>
* Extensions should qualify any keys stored in the memento with their
* plugin id
* </p>
*
* @param aMemento
* A memento that was given to the view part to save its state.
*/
public void saveState(IMemento aMemento);
}