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


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56  
57 package org.objectstyle.cayenne.dataview;
58
59 import java.util.EventListener JavaDoc;
60
61 public class DataObjectChangeEvent extends DispatchableEvent {
62   public static final int DATAOBJECT_ADDED = 1;
63   public static final int DATAOBJECT_REMOVED = 2;
64   public static final int DATAOBJECT_CHANGED = 3;
65   public static final int DATAOBJECTS_CHANGED = 4;
66
67   private int id;
68   private int affectedDataObjectIndex;
69
70   public DataObjectChangeEvent(Object JavaDoc source, int id) {
71     this(source, id, -1);
72   }
73
74   public DataObjectChangeEvent(Object JavaDoc source, int id, int affectedDataObjectIndex) {
75     super(source);
76     this.id = id;
77     this.affectedDataObjectIndex = affectedDataObjectIndex;
78   }
79
80   public void dispatch(EventListener JavaDoc listener) {
81     ((DataObjectChangeListener)listener).dataChanged(this);
82   }
83
84
85   public boolean isMultiObjectChange() {
86     return affectedDataObjectIndex == -1;
87   }
88
89   public int getAffectedDataObjectIndex() {
90     return affectedDataObjectIndex;
91   }
92
93   public final int getId() {
94     return id;
95   }
96
97   public String JavaDoc toString() {
98     return super.toString()+" "+id;
99   }
100 }
101
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