Mercurial > projects > dwt2
view org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/map/MapDiff.d @ 95:6208d4f6a277
Added trees for databinding.beans and observable
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 21 Apr 2009 10:55:51 +0200 |
parents | |
children | b74ac5dfcc06 |
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/******************************************************************************* * Copyright (c) 2006, 2007 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.core.databinding.observable.map; import java.util.Set; /** * @since 1.1 * */ public abstract class MapDiff { /** * @return the set of keys which were added */ public abstract Set getAddedKeys(); /** * @return the set of keys which were removed */ public abstract Set getRemovedKeys(); /** * @return the set of keys for which the value has changed */ public abstract Set getChangedKeys(); /** * Returns the old value for the given key, which must be an element of * {@link #getRemovedKeys()} or {@link #getChangedKeys()}. * * @param key * @return the old value for the given key. */ public abstract Object getOldValue(Object key); /** * Returns the new value for the given key, which must be an element of * {@link #getChangedKeys()} or {@link #getAddedKeys()}. * * @param key * @return the new value for the given key. */ public abstract Object getNewValue(Object key); }