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1
4 package com.tc.util;
5
6 import com.tc.object.bytecode.ManagerUtil;
7
8 import java.lang.reflect.Array  ;
9 import java.util.Collection ;
10 import java.util.Iterator ;
11 import java.util.Map ;
12 import java.util.Set ;
13
14 public class THashMapCollectionWrapper implements Set {
15
16 private final Collection realValues;
17 private final Map map;
18
19 public THashMapCollectionWrapper(Map map, Collection realValues) {
20 this.map = map;
21 this.realValues = realValues;
22 }
23
24 public boolean add(Object o) {
25 return realValues.add(o);
26 }
27
28 public boolean addAll(Collection c) {
29 return realValues.addAll(c);
30 }
31
32 public void clear() {
33 realValues.clear();
34 }
35
36 public boolean contains(Object o) {
37 return realValues.contains(o);
38 }
39
40 public boolean containsAll(Collection c) {
41 return realValues.containsAll(c);
42 }
43
44 public boolean equals(Object o) {
45 return realValues.equals(o);
46 }
47
48 public int hashCode() {
49 return realValues.hashCode();
50 }
51
52 public boolean isEmpty() {
53 return realValues.isEmpty();
54 }
55
56 public Iterator iterator() {
57 return new IteratorWrapper(map, realValues.iterator());
58 }
59
60 public boolean remove(Object o) {
61 ManagerUtil.checkWriteAccess(map);
62 return realValues.remove(o);
63 }
64
65 public boolean removeAll(Collection c) {
66 return realValues.removeAll(c);
67 }
68
69 public boolean retainAll(Collection c) {
70 return realValues.retainAll(c);
71 }
72
73 public int size() {
74 return realValues.size();
75 }
76
77 public Object [] toArray() {
78 return realValues.toArray();
79 }
80
81 public Object [] toArray(Object [] a) {
82 int size = size();
83 if (a.length < size) a = (Object []) Array.newInstance(((Object ) (a)).getClass().getComponentType(), size);
84
85 int index = 0;
86 for (Iterator iterator = iterator(); iterator.hasNext();) {
87 ManagerUtil.objectArrayChanged(a, index++, iterator.next());
88 }
89
90 if (a.length > size) {
91 a[size] = null;
92 }
93 return a;
94 }
95
96 private static class IteratorWrapper implements Iterator {
97 private final Iterator realIterator;
98 private final Map map;
99 private Object lastValue;
100
101 public IteratorWrapper(Map map, Iterator realIterator) {
102 this.map = map;
103 this.realIterator = realIterator;
104 }
105
106 public boolean hasNext() {
107 return realIterator.hasNext();
108 }
109
110 public Object next() {
111 lastValue = realIterator.next();
112 return lastValue;
113 }
114
115 public void remove() {
116 ManagerUtil.checkWriteAccess(map);
117 realIterator.remove();
118 }
119 }
120
121 } |
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