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annotate org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/AbstractObservable.d @ 97:c86eb8b3098e
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author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 21 Apr 2009 11:18:25 +0200 |
parents | b74ac5dfcc06 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2006, 2008 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 * Brad Reynolds - bug 164653 |
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11 * Matthew Hall - bug 118516 |
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12 *******************************************************************************/ |
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13 |
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14 module org.eclipse.core.databinding.observable.AbstractObservable; |
97 | 15 import org.eclipse.core.databinding.observable.IChangeListener; |
16 import org.eclipse.core.databinding.observable.ChangeEvent; | |
17 import org.eclipse.core.databinding.observable.Realm; | |
18 import org.eclipse.core.databinding.observable.IStaleListener; | |
19 import org.eclipse.core.databinding.observable.IObservable; | |
20 import org.eclipse.core.databinding.observable.StaleEvent; | |
21 import org.eclipse.core.databinding.observable.ChangeManager; | |
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22 |
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23 import java.lang.all; |
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24 |
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25 import org.eclipse.core.runtime.Assert; |
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26 import org.eclipse.core.runtime.AssertionFailedException; |
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27 |
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28 /** |
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29 * @since 1.0 |
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30 */ |
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31 public abstract class AbstractObservable : ChangeManager , IObservable { |
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32 |
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33 /** |
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34 * @param realm |
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35 */ |
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36 public this(Realm realm) { |
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37 super(realm); |
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38 } |
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39 |
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40 public synchronized void addChangeListener(IChangeListener listener) { |
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41 addListener(ChangeEvent.TYPE, listener); |
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42 } |
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43 |
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44 public synchronized void removeChangeListener(IChangeListener listener) { |
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45 removeListener(ChangeEvent.TYPE, listener); |
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46 } |
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47 |
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48 public synchronized void addStaleListener(IStaleListener listener) { |
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49 addListener(StaleEvent.TYPE, listener); |
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50 } |
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51 |
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52 public synchronized void removeStaleListener(IStaleListener listener) { |
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53 removeListener(StaleEvent.TYPE, listener); |
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54 } |
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55 |
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56 protected void fireChange() { |
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57 checkRealm(); |
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58 fireEvent(new ChangeEvent(this)); |
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59 } |
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60 |
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61 protected void fireStale() { |
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62 checkRealm(); |
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63 fireEvent(new StaleEvent(this)); |
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64 } |
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65 |
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66 /** |
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67 * |
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68 */ |
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69 public synchronized void dispose() { |
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70 super.dispose(); |
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71 } |
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72 |
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73 /** |
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74 * Asserts that the realm is the current realm. |
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75 * |
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76 * @see Realm#isCurrent() |
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77 * @throws AssertionFailedException if the realm is not the current realm |
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78 */ |
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79 protected void checkRealm() { |
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80 Assert.isTrue(getRealm().isCurrent(), |
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81 "This operation must be run within the observable's realm"); //$NON-NLS-1$ |
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82 } |
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83 } |