|
1
|
/*******************************************************************************
|
|
2
|
* Copyright (c) 2003, 2010 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
|
package org.eclipse.draw2d.graph;
|
|
12
|
|
|
13
|
/**
|
|
14
|
* Performs some action on a Graph.
|
|
15
|
*
|
|
16
|
* @author Randy Hudson
|
|
17
|
* @since 2.1.2
|
|
18
|
*/
|
|
19
|
abstract class GraphVisitor {
|
|
20
|
|
|
21
|
/**
|
|
22
|
* Act on the given directed graph.
|
|
23
|
*
|
|
24
|
* @param g
|
|
25
|
* the graph
|
|
26
|
*/
|
|
27
|
void visit(DirectedGraph g) {
|
|
28
|
}
|
|
29
|
|
|
30
|
/**
|
|
31
|
* Called in reverse order of visit.
|
|
32
|
*
|
|
33
|
* @since 3.1
|
|
34
|
* @param g
|
|
35
|
* the graph to act upon
|
|
36
|
*/
|
|
37
|
void revisit(DirectedGraph g) {
|
|
38
|
}
|
|
39
|
|
|
40
|
}
|