blob: a255c086c8303174c81251938f627bde3ed65f74 (
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
|
/*******************************************************************************
* Copyright (c) 2010, 2012 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.internal.serviceregistry;
import java.util.*;
public class ShrinkableEntrySetValueCollection<E> extends AbstractCollection<E> implements Collection<E> {
private final Set<? extends Map.Entry<?, ? extends E>> entrySet;
public ShrinkableEntrySetValueCollection(Set<? extends Map.Entry<?, ? extends E>> e) {
if (e == null) {
throw new NullPointerException();
}
entrySet = e;
}
public void clear() {
entrySet.clear();
}
public boolean isEmpty() {
return entrySet.isEmpty();
}
public Iterator<E> iterator() {
return new ValueIterator<E>(entrySet.iterator());
}
public int size() {
return entrySet.size();
}
/**
* Iterator over the values of the entry set.
*/
static private final class ValueIterator<E> implements Iterator<E> {
private final Iterator<? extends Map.Entry<?, ? extends E>> iter;
ValueIterator(Iterator<? extends Map.Entry<?, ? extends E>> i) {
iter = i;
}
public boolean hasNext() {
return iter.hasNext();
}
public E next() {
final Map.Entry<?, ? extends E> entry = iter.next();
return entry.getValue();
}
public void remove() {
iter.remove();
}
}
}
|
