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Java > Open Source Codes > org > objectstyle > cayenne > exp > TraversalHelper


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
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6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
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25  * Alternately, this acknowlegement may appear in the software itself,
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56 package org.objectstyle.cayenne.exp;
57
58 /**
59  * Noop implementation of TraversalHandler.
60  * Useful as a superclass for partial implementations
61  * of TraversalHandler.
62  *
63  * @author Andrei Adamchik
64  */
65 public class TraversalHelper implements TraversalHandler {
66
67     public void startNode(Expression node, Expression parentNode) {
68     }
69
70     public void endNode(Expression node, Expression parentNode) {
71     }
72
73     public void finishedChild(Expression node, int childIndex, boolean hasMoreChildren) {
74     }
75
76     public void objectNode(Object JavaDoc leaf, Expression parentNode) {
77     }
78 }
79
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