blob: b7a206a7821631c3c3e8ce8931524d12248b4db8 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*******************************************************************************
* Copyright (c) 2008 Matthew Hall and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Matthew Hall - initial API and implementation (bug 194734)
* Matthew Hall - bug 262287
******************************************************************************/
package org.eclipse.core.databinding.property;
import java.util.EventObject;
import org.eclipse.core.databinding.observable.IDiff;
import org.eclipse.core.internal.databinding.property.Util;
/**
* Event object events in the properties API
*
* @since 1.2
*/
public final class SimplePropertyEvent extends EventObject {
private static final long serialVersionUID = 1L;
/**
* Event type constant indicating that the property changed
*/
public static final int CHANGE = notInlined(1);
/**
* Event type constant indicating that the property became stale
*/
public static final int STALE = notInlined(2);
private static int notInlined(int i) {
return i;
}
/**
* The type of property event that occured
*/
public final int type;
/**
* The property on which the event took place
*/
public final IProperty property;
/**
* If event == CHANGE, a diff object describing the change in state, or null
* for an unknown change.
*/
public final IDiff diff;
/**
* Constructs a PropertyChangeEvent with the given attributes
*
* @param type
* the property type
* @param source
* the property source
* @param property
* the property that changed on the source
* @param diff
* a diff describing the change in state, or null if the change
* is unknown or not applicable.
*/
public SimplePropertyEvent(int type, Object source, IProperty property,
IDiff diff) {
super(source);
this.type = type;
this.property = property;
this.diff = diff;
}
public boolean equals(Object obj) {
if (obj == this)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
SimplePropertyEvent that = (SimplePropertyEvent) obj;
return Util.equals(getSource(), that.getSource())
&& Util.equals(this.property, that.property)
&& Util.equals(this.diff, that.diff);
}
public int hashCode() {
int hash = 17;
hash = hash * 37 + getSource().hashCode();
hash = hash * 37 + property.hashCode();
hash = hash * 37 + (diff == null ? 0 : diff.hashCode());
return hash;
}
}
|
