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Java > Open Source Codes > org > apache > cayenne > dataview > DataObjectChangeEvent


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19
20  
21 package org.apache.cayenne.dataview;
22
23 import java.util.EventListener JavaDoc;
24
25 public class DataObjectChangeEvent extends DispatchableEvent {
26   public static final int DATAOBJECT_ADDED = 1;
27   public static final int DATAOBJECT_REMOVED = 2;
28   public static final int DATAOBJECT_CHANGED = 3;
29   public static final int DATAOBJECTS_CHANGED = 4;
30
31   private int id;
32   private int affectedDataObjectIndex;
33
34   public DataObjectChangeEvent(Object JavaDoc source, int id) {
35     this(source, id, -1);
36   }
37
38   public DataObjectChangeEvent(Object JavaDoc source, int id, int affectedDataObjectIndex) {
39     super(source);
40     this.id = id;
41     this.affectedDataObjectIndex = affectedDataObjectIndex;
42   }
43
44   public void dispatch(EventListener JavaDoc listener) {
45     ((DataObjectChangeListener)listener).dataChanged(this);
46   }
47
48
49   public boolean isMultiObjectChange() {
50     return affectedDataObjectIndex == -1;
51   }
52
53   public int getAffectedDataObjectIndex() {
54     return affectedDataObjectIndex;
55   }
56
57   public final int getId() {
58     return id;
59   }
60
61   public String JavaDoc toString() {
62     return super.toString()+" "+id;
63   }
64 }
65
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