ShareableJavaLangObjectTestApp


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 com.tc.object.config.ConfigVisitor;
7   import com.tc.object.config.DSOClientConfigHelper;
8   import com.tc.object.config.TransparencyClassSpec;
9   import com.tc.simulator.app.ApplicationConfig;
10  import com.tc.simulator.listener.ListenerProvider;
11  import com.tc.util.Assert;
12  import com.tctest.runner.AbstractTransparentApp;
13  
14  import java.util.HashMap  ;
15  import java.util.Map  ;
16  
17  /**
18   * Ensure that we can use instances of java.lang.Object in DSO managed graphs
19   */
20  public class ShareableJavaLangObjectTestApp extends AbstractTransparentApp {
21  
22    private final Map      root       = new HashMap  ();
23    private final Object   objectRoot = new Object  ();
24  
25    public ShareableJavaLangObjectTestApp(String   appId, ApplicationConfig cfg, ListenerProvider listenerProvider) {
26      super(appId, cfg, listenerProvider);
27  
28      if (getParticipantCount() < 2) { throw new RuntimeException  ("must have at least two participants"); }
29    }
30  
31    public static void visitL1DSOConfig(ConfigVisitor visitor, DSOClientConfigHelper config) {
32      String   testClass = ShareableJavaLangObjectTestApp.class.getName();
33      TransparencyClassSpec spec = config.getOrCreateSpec(testClass);
34  
35      String   methodExpression = "* " + testClass + "*.*(..)";
36      config.addWriteAutolock(methodExpression);
37      spec.addRoot("root", "root");
38      spec.addRoot("objectRoot", "objectRoot");
39  
40      config.addIncludePattern(ObjectHolder.class.getName());
41    }
42  
43    public void run() {
44      Object   o = objectRoot;
45      Assert.assertNotNull(o);
46  
47      final Object   object;
48  
49      synchronized (root) {
50        if (root.size() == 0) {
51          root.put("object", new Object  ());
52        }
53        object = root.get("object");
54      }
55  
56      // synchronizing on the Object instance will create a transaction in which we can write to root in
57      synchronized (object) {
58        root.put(getApplicationId(), null);
59      }
60  
61      // Also make sure a physical object with an Object reference works okay
62      synchronized (root) {
63        root.put("objectholder", new ObjectHolder());
64      }
65    }
66  
67    private static class ObjectHolder {
68      final Object   heldObject = new Object  ();
69    }
70  }
71
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