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1
4 package com.tc.util;
5
6 import com.tc.object.bytecode.ManagerUtil;
7 import com.tc.object.lockmanager.api.LockLevel;
8
9 import java.util.Enumeration  ;
10 import java.util.Vector ;
11
12 public class EnumerationWrapper implements Enumeration {
13
14 private final Vector vector;
15 private final Enumeration realEnumeration;
16
17 public EnumerationWrapper(Vector vector, Enumeration realEnumeration) {
18 this.vector = vector;
19 this.realEnumeration = realEnumeration;
20 }
21
22 public final boolean hasMoreElements() {
23 return realEnumeration.hasMoreElements();
24 }
25
26 public final Object nextElement() {
27 ManagerUtil.monitorEnter(vector, LockLevel.WRITE);
28 Object o = null;
29 try {
30 o = realEnumeration.nextElement();
31 } finally {
32 ManagerUtil.monitorExit(vector);
33 }
34 return o;
35 }
36 }
37 |
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