| /******************************************************************************* |
| * Copyright (c) 2007, 2009 Oracle. 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: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.common.utility.model.event; |
| |
| import org.eclipse.jpt.common.utility.model.Model; |
| |
| /** |
| * A generic "state change" event gets delivered whenever a model changes to |
| * such extent that it cannot be delineated all aspects of it that have changed. |
| * Any listener can synchronize with the model as necessary since the model is |
| * available as the event's 'source'. |
| * A <code>StateChangeEvent</code> is sent as an argument to the |
| * {@link org.eclipse.jpt.common.utility.model.listener.StateChangeListener}. |
| * <p> |
| * Provisional API: This class is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| */ |
| public final class StateChangeEvent extends ChangeEvent { |
| |
| private static final long serialVersionUID = 1L; |
| |
| |
| // ********** constructors ********** |
| |
| /** |
| * Construct a new state change event. |
| * |
| * @param source The object on which the event initially occurred. |
| */ |
| public StateChangeEvent(Model source) { |
| super(source); |
| } |
| |
| |
| // ********** cloning ********** |
| |
| public StateChangeEvent clone(Model newSource) { |
| return new StateChangeEvent(newSource); |
| } |
| |
| } |
