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comparison org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/observable/tree/TreeDiff.d @ 78:0a55d2d5a946

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Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
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76:f05e6e8b2f2d 78:0a55d2d5a946
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 module org.eclipse.core.internal.databinding.observable.tree.TreeDiff;
13
14 import java.lang.all;
15
16 /**
17 * Describes the difference between two trees as a tree of tree diff nodes.
18 *
19 * @since 1.1
20 *
21 */
22 public abstract class TreeDiff : TreeDiffNode {
23
24 /**
25 * Returns the tree path (possibly empty) of the parent, or
26 * <code>null</code> if the underlying tree is not lazy and never contains
27 * duplicate elements.
28 *
29 * @return the tree path (possibly empty) of the unchanged parent, or
30 * <code>null</code>
31 */
32 public abstract TreePath getParentPath();
33
34 /**
35 * @param visitor
36 */
37 public void accept(TreeDiffVisitor visitor) {
38 doAccept(visitor, getParentPath());
39 }
40
41 }