blob: 9187aed82ee0eb0b8cffe01d03d33c6a75bb8ab1 (
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
|
/***************************************************************************
* Copyright (c) 2004 - 2007 Eike Stepper, Germany.
* 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:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.util.ref;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.SoftReference;
import java.text.MessageFormat;
/**
* @author Eike Stepper
*/
public class KeyedSoftReference<K, T> extends SoftReference<T> implements KeyedReference<K, T>
{
private K key;
public KeyedSoftReference(K key, T ref)
{
super(ref);
this.key = key;
}
public KeyedSoftReference(K key, T ref, ReferenceQueue<T> queue)
{
super(ref, queue);
this.key = key;
}
public ReferenceType getType()
{
return ReferenceType.SOFT;
}
public K getKey()
{
return key;
}
@Override
public String toString()
{
return MessageFormat.format("KeyedSoftReference[{0} -> {1}]", key, isEnqueued() ? "ENQUEUED" : get());
}
}
|