Mercurial > projects > dwt2
view org.eclipse.core.databinding/src/org/eclipse/core/databinding/observable/AbstractObservable.d @ 99:5d5bd660917f
build some databind snippets
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 22 Apr 2009 18:59:26 +0200 |
parents | 6be48cf9f95c |
children |
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/******************************************************************************* * Copyright (c) 2006, 2008 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 * Brad Reynolds - bug 164653 * Matthew Hall - bug 118516 *******************************************************************************/ module org.eclipse.core.databinding.observable.AbstractObservable; import org.eclipse.core.databinding.observable.IChangeListener; import org.eclipse.core.databinding.observable.ChangeEvent; import org.eclipse.core.databinding.observable.Realm; import org.eclipse.core.databinding.observable.IStaleListener; import org.eclipse.core.databinding.observable.IObservable; import org.eclipse.core.databinding.observable.StaleEvent; import org.eclipse.core.databinding.observable.ChangeManager; import java.lang.all; import org.eclipse.core.runtime.Assert; import org.eclipse.core.runtime.AssertionFailedException; /** * @since 1.0 */ public abstract class AbstractObservable : ChangeManager , IObservable { public override Realm getRealm(){ return super.getRealm(); } /** * @param realm */ public this(Realm realm) { super(realm); } public synchronized void addChangeListener(IChangeListener listener) { addListener(ChangeEvent.TYPE, listener); } public synchronized void removeChangeListener(IChangeListener listener) { removeListener(ChangeEvent.TYPE, listener); } public synchronized void addStaleListener(IStaleListener listener) { addListener(StaleEvent.TYPE, listener); } public synchronized void removeStaleListener(IStaleListener listener) { removeListener(StaleEvent.TYPE, listener); } protected void fireChange() { checkRealm(); fireEvent(new ChangeEvent(this)); } protected void fireStale() { checkRealm(); fireEvent(new StaleEvent(this)); } /** * */ public synchronized void dispose() { super.dispose(); } /** * Asserts that the realm is the current realm. * * @see Realm#isCurrent() * @throws AssertionFailedException if the realm is not the current realm */ protected void checkRealm() { Assert.isTrue(getRealm().isCurrent(), "This operation must be run within the observable's realm"); //$NON-NLS-1$ } }