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Java > Open Source Codes > demo > bank > transaction > explicit > Lock


1 package demo.bank.transaction.explicit;
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3
4
5 public class Lock
6
7 {
8
9     private boolean locked;
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11
12
13     public Lock()
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15     {
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17     locked = false;
18
19     }
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21
22
23     public synchronized void lock()
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25     {
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27     while(locked)
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29     {
30
31         try
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33         {
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35         wait();
36
37         }
38
39         catch(InterruptedException JavaDoc ie)
40
41         {}
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43     }
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45     locked = true;
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47     }
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49
50
51     public synchronized void unlock()
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53     {
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55     locked = false;
56
57     notifyAll();
58
59     }
60
61 }
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63
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