/******************************************************************************* * Copyright (c) 2007, 2010 Association for Decentralized Information Management * in Industry THTH ry. * 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: * VTT Technical Research Centre of Finland - initial API and implementation *******************************************************************************/ package org.simantics.utils.datastructures.hints; import org.simantics.utils.datastructures.hints.IHintContext.Key; /** * A hint listener that reports all changes to the listened hint through * hintChanged instead of hintChanged+hintRemoved. When the hint is removed, * a null newValue will be given. * *
* This class in only meant to be used in cases where it is ok for the client to
* receive null
as the new hint value. In other cases clients
* should simply implement IHintListener.
*