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Java > Open Source Codes > org > apache > cayenne > graph > NodeDeleteOperation


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19
20 package org.apache.cayenne.graph;
21
22 /**
23  * @since 1.2
24  * @author Andrus Adamchik
25  */
26 public class NodeDeleteOperation extends NodeDiff {
27
28     public NodeDeleteOperation(Object JavaDoc nodeId) {
29         super(nodeId);
30     }
31     
32     public NodeDeleteOperation(Object JavaDoc nodeId, int diffId) {
33         super(nodeId, diffId);
34     }
35
36     public void apply(GraphChangeHandler tracker) {
37         tracker.nodeRemoved(nodeId);
38     }
39
40     public void undo(GraphChangeHandler tracker) {
41         tracker.nodeCreated(nodeId);
42     }
43 }
44
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