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1
4 package com.tcclient.util;
5
6 import com.tc.object.SerializationUtil;
7 import com.tc.object.bytecode.ManagerUtil;
8
9 import java.lang.reflect.Array  ;
10 import java.util.Collection ;
11 import java.util.Iterator ;
12 import java.util.Map ;
13 import java.util.Set ;
14 import java.util.Map.Entry;
15
16
19 public class MapEntrySetWrapper implements Set {
20 public final static String CLASS_SLASH = "com/tcclient/util/MapEntrySetWrapper";
21
22 protected final Set realEntrySet;
23 protected final Map map;
24
25 public MapEntrySetWrapper(Map map, Set realEntrySet) {
26 this.realEntrySet = realEntrySet;
27 this.map = map;
28 }
29
30 public final boolean add(Object o) {
31 return realEntrySet.add(o);
32 }
33
34 public final boolean addAll(Collection c) {
35 return realEntrySet.addAll(c);
36 }
37
38 public final void clear() {
39 realEntrySet.clear();
40 }
41
42 public final boolean contains(Object o) {
43 return realEntrySet.contains(o);
44 }
45
46 public final boolean containsAll(Collection c) {
47 return realEntrySet.containsAll(c);
48 }
49
50 public final boolean equals(Object o) {
51 return realEntrySet.equals(o);
52 }
53
54 public final int hashCode() {
55 return realEntrySet.hashCode();
56 }
57
58 public final boolean isEmpty() {
59 return realEntrySet.isEmpty();
60 }
61
62 public Iterator iterator() {
63 return new IteratorWrapper(map, realEntrySet.iterator());
64 }
65
66 public boolean remove(Object o) {
67 ManagerUtil.checkWriteAccess(map);
68 boolean removed = realEntrySet.remove(o);
69 if (removed) {
70 ManagerUtil.logicalInvoke(map, SerializationUtil.REMOVE_KEY_SIGNATURE, new Object [] { ((Map.Entry ) o).getKey() });
71 }
72 return removed;
73 }
74
75 public final boolean removeAll(Collection c) {
76 boolean modified = false;
77
78 if (size() > c.size()) {
79 for (Iterator i = c.iterator(); i.hasNext();)
80 modified |= remove(i.next());
81 } else {
82 for (Iterator i = iterator(); i.hasNext();) {
83 if (c.contains(i.next())) {
84 i.remove();
85 modified = true;
86 }
87 }
88 }
89 return modified;
90 }
91
92 public final boolean retainAll(Collection c) {
93 boolean modified = false;
94 Iterator i = iterator();
95 while (i.hasNext()) {
96 if (!c.contains(i.next())) {
97 i.remove();
98 modified = true;
99 }
100 }
101 return modified;
102
103 }
104
105 public final int size() {
106 return realEntrySet.size();
107 }
108
109 public final Object [] toArray() {
110 return realEntrySet.toArray();
111 }
112
113 public final Object [] toArray(Object [] a) {
114 int size = size();
115 if (a.length < size) a = (Object []) Array.newInstance(((Object ) (a)).getClass().getComponentType(), size);
116
117 int index = 0;
118 for (Iterator iterator = iterator(); iterator.hasNext();) {
119 ManagerUtil.objectArrayChanged(a, index++, iterator.next());
120 }
121
122 if (a.length > size) {
123 a[size] = null;
124 }
125 return a;
126 }
127
128 private static class IteratorWrapper implements Iterator {
129
130 protected final Iterator realIterator;
131 protected final Map map;
132 protected Entry current;
133
134 IteratorWrapper(Map map, Iterator realIterator) {
135 this.map = map;
136 this.realIterator = realIterator;
137 }
138
139 public void remove() {
140 ManagerUtil.checkWriteAccess(map);
141 realIterator.remove();
142
143 ManagerUtil.logicalInvoke(map, SerializationUtil.REMOVE_KEY_SIGNATURE, new Object [] { current.getKey() });
146 }
147
148 public final boolean hasNext() {
149 boolean rv = realIterator.hasNext();
150 return rv;
151 }
152
153 public final Object next() {
154 current = new EntryWrapper(map, (Entry) realIterator.next());
155 return current;
156 }
157
158 }
159
160 protected static class EntryWrapper implements Entry {
161 private final Object key;
162 private Object value;
163 private final Map map;
164
165 EntryWrapper(Map map, Entry entry) {
166 this.map = map;
167 this.key = entry.getKey();
168 this.value = entry.getValue();
169 }
170
171 public final boolean equals(Object o) {
172 if (!(o instanceof Entry)) { return false; }
173 Entry e2 = (Entry) o;
174 return (key == null ? e2.getKey() == null : key.equals(e2.getKey()))
175 && (value == null ? e2.getValue() == null : value.equals(e2.getValue()));
176 }
177
178 public final Object getKey() {
179 return key;
180 }
181
182 public final Object getValue() {
183 return value;
184 }
185
186 public final int hashCode() {
187 return (key == null ? 0 : key.hashCode()) ^ (value == null ? 0 : value.hashCode());
188 }
189
190 public final Object setValue(Object value) {
191 Object rv = map.put(this.key, value);
192 this.value = value;
193 return rv;
194 }
195
196 public String toString() {
197 return key + "=" + value;
198 }
199 }
200
201 }
202 |
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