IUnorderedTreeProvider


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.internal.databinding.observable.tree;
13  
14  import org.eclipse.core.databinding.observable.Realm;
15  import org.eclipse.core.databinding.observable.set.IObservableSet;
16  
17  /**
18   * @since 1.0
19   *
20   */
21  public interface IUnorderedTreeProvider {
22      /**
23       * @return the realm for the createChildSet method
24       */
25      public Realm getRealm();
26      
27      /**
28       * Returns the children of the given element, or null if the element is a leaf node.
29       * The caller of this method is expected to dispose the result set when it is no
30       * longer needed.
31       * 
32       * @param element element to query
33       * @return the children of the given element, or null if the element is a leaf node
34       */
35      IObservableSet createChildSet(Object   element);
36  }
37

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