Mercurial > projects > dwt2

comparison org.eclipse.core.databinding.observable/src/org/eclipse/core/internal/databinding/observable/tree/TreeDiff.d @ 95:6208d4f6a277

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added trees for databinding.beans and observable
author Frank Benoit <benoit@tionex.de>
date Tue, 21 Apr 2009 10:55:51 +0200
parents
children b74ac5dfcc06
comparison
equal deleted inserted replaced
94:1d37a7813832 95:6208d4f6a277
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 /**
15 * Describes the difference between two trees as a tree of tree diff nodes.
16 *
17 * @since 1.1
18 *
19 */
20 public abstract class TreeDiff : TreeDiffNode {
21
22 /**
23 * Returns the tree path (possibly empty) of the parent, or
24 * <code>null</code> if the underlying tree is not lazy and never contains
25 * duplicate elements.
26 *
27 * @return the tree path (possibly empty) of the unchanged parent, or
28 * <code>null</code>
29 */
30 public abstract TreePath getParentPath();
31
32 /**
33 * @param visitor
34 */
35 public void accept(TreeDiffVisitor visitor) {
36 doAccept(visitor, getParentPath());
37 }
38
39 }