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annotate org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/StaleEvent.d @ 96:b74ac5dfcc06

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package to module and java.lang.all import
author Frank Benoit <benoit@tionex.de>
date Tue, 21 Apr 2009 11:03:33 +0200
parents 6208d4f6a277
children c86eb8b3098e
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1 /*******************************************************************************
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2 * Copyright (c) 2006, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11
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12 module org.eclipse.core.databinding.observable.StaleEvent;
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13
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14 import java.lang.all;
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16 /**
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17 * Generic event denoting that the state of an {@link IObservable} object is
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18 * about to change. Note that this event is only fired when an observable
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19 * becomes stale, not when it becomes unstale; an observable that becomes
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20 * unstale should always fire a change event. Staleness can be used (for
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21 * example) to notify listeners when an observable has started a background
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22 * thread for updating its state. Clients can safely ignore staleness.
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23 *
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24 * @see IObservable#isStale()
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25 *
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26 * @since 1.0
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27 *
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28 */
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29 public class StaleEvent : ObservableEvent {
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30
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31 /**
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32 * Creates a new stale event.
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33 *
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34 * @param source
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35 * the source observable
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36 */
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37 public this(IObservable source) {
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38 super(source);
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39 }
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40
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41 /**
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42 *
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43 */
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44 private static final long serialVersionUID = 3491012225431471077L;
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45
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46 static final Object TYPE = new Object();
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47
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48 protected void dispatch(IObservablesListener listener) {
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49 (cast(IStaleListener) listener).handleStale(this);
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50 }
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51
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52 protected Object getListenerType() {
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53 return TYPE;
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54 }
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56 }