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


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19
20 package org.apache.cayenne.exp;
21
22 /**
23  * Noop implementation of TraversalHandler.
24  * Useful as a superclass for partial implementations
25  * of TraversalHandler.
26  *
27  * @author Andrus Adamchik
28  */
29 public class TraversalHelper implements TraversalHandler {
30
31     public void startNode(Expression node, Expression parentNode) {
32     }
33
34     public void endNode(Expression node, Expression parentNode) {
35     }
36
37     public void finishedChild(Expression node, int childIndex, boolean hasMoreChildren) {
38     }
39
40     public void objectNode(Object JavaDoc leaf, Expression parentNode) {
41     }
42 }
43
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