TestReader


1   /*
2    * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright notice.  All rights reserved.
3    */
4   package com.tctest;
5   
6   import java.util.HashMap  ;
7   import java.util.Iterator  ;
8   import java.util.Map  ;
9   
10  /**
11   * Reads from the shared map and that's it
12   */
13  public class TestReader {
14  
15    public final static int         READ_COUNT   = 2000;
16  
17    private Map      stuff = new HashMap  ();
18    private String   name;
19  
20    public TestReader(String   name) {
21      this.name = name;
22    }
23  
24    public void read() {
25      try {
26        int count = 0;
27        while (count++ < READ_COUNT) {
28          doARead();
29        }
30      } catch (StackOverflowError   e) {
31        e.printStackTrace(System.out);
32        throw e;
33      }
34    }
35  
36    public void doARead() {
37      synchronized (stuff) {
38        // System.out.println("begin Reading:" + name);
39        if (stuff.size() > 0 && (stuff.size() % 4) == 0) {
40          for (Iterator   i = stuff.values().iterator(); i.hasNext();) {
41            i.next();
42          }
43        }
44      }
45      // System.out.println("DONE Reading:" + name);
46    }
47  
48    protected String   getName() {
49      return name;
50    }
51  
52  }
53

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