blob: 5217abbd65f667b56455e765e1137d9feb48b611 (
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
|
/*******************************************************************************
* Copyright (c) 2007, 2008 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.utility.model.event;
import java.util.EventObject;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.jpt.utility.model.Model;
/**
* Abstract class for all the change events that can be fired by models.
*
* Provisional API: This class is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*/
public abstract class ChangeEvent extends EventObject {
private static final long serialVersionUID = 1L;
/**
* Construct a new change event.
*
* @param source The object on which the event initially occurred.
*/
protected ChangeEvent(Model source) {
super(source);
}
/**
* Covariant override.
*/
@Override
public Model getSource() {
return (Model) super.getSource();
}
/**
* Return the name of the aspect of the source that changed.
* May be null if inappropriate.
*/
public abstract String getAspectName();
/**
* Return a copy of the event with the specified source
* replacing the current source.
*/
public abstract ChangeEvent cloneWithSource(Model newSource);
@Override
public String toString() {
return StringTools.buildToStringFor(this, this.getAspectName());
}
}
|
