blob: 4f1988ebde87b6ceac199a68fc85834707e7fbb2 (
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
|
/*******************************************************************************
* Copyright (c) 2007 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.internal.model.value;
import java.util.Collection;
/**
* Implementation of CollectionValueModel that can be used for
* returning an iterator on a static collection, but still allows listeners to be added.
* Listeners will NEVER be notified of any changes, because there should be none.
*/
public class ReadOnlyCollectionValueModel
extends AbstractReadOnlyCollectionValueModel
{
/** The value. */
protected Collection value;
private static final long serialVersionUID = 1L;
/**
* Construct a read-only CollectionValueModel for the specified value.
*/
public ReadOnlyCollectionValueModel(Collection value) {
super();
if (value == null) {
throw new NullPointerException();
}
this.value = value;
}
// ********** CollectionValueModel implementation **********
@Override
public int size() {
return this.value.size();
}
// ********** ValueModel implementation **********
public Object value() {
return this.value.iterator();
}
}
|