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  ;
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   {
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   getElementType();
41  
42  }
43

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