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Java > Open Source Codes > org > eclipse > core > databinding > observable > IObservableCollection


1 /*******************************************************************************
2  * Copyright (c) 2006, 2007 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/

11
12 package org.eclipse.core.databinding.observable;
13
14 import java.util.Collection JavaDoc;
15
16 import org.eclipse.core.databinding.observable.list.IObservableList;
17 import org.eclipse.core.databinding.observable.set.IObservableSet;
18
19 /**
20  * Interface for observable collections. Only general change listeners can be
21  * added to an observable collection. Listeners interested in incremental
22  * changes have to be added using more concrete subtypes such as
23  * {@link IObservableList} or {@link IObservableSet}.
24  *
25  * <p>
26  * This interface is not intended to be implemented by clients. Clients should
27  * instead subclass one of the classes that implement this interface. Note that
28  * direct implementers of this interface outside of the framework will be broken
29  * in future releases when methods are added to this interface.
30  * </p>
31  *
32  * @since 1.0
33  */

34 public interface IObservableCollection extends IObservable, Collection JavaDoc {
35
36     /**
37      * @return the element type of this observable value, or <code>null</code>
38      * if this observable collection is untyped.
39      */

40     Object JavaDoc getElementType();
41
42 }
43
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