Examples of org.jboss.cache.optimistic.DefaultDataVersion

org.jboss.cache.optimistic.DefaultDataVersion
The default implementation of a DataVersion, uses a long to compare versions. This class is immutable.
Also note that this is meant to control implicit, internal versioning. Do not attempt to instantiate or use instances of this class explicitly, via the {@link org.jboss.cache.config.Option#setDataVersion(DataVersion)} API, as it WILLbreak things. @author Manik Surtani (manik AT jboss DOT org) @deprecated this is to support a deprecated locking scheme (Optimistic Locking). Will be removed when Optimistic Locking support is removed.

      // Actually, it shouldn't have been invalidated, should be null
      // But, this assertion will pass if it is null, and we want
      CacheLoaderInvalidationTest.assertHasBeenInvalidated(cache1.getNode(fqn), "Should have been invalidated");
      assertNull("Should be null", cache2.getNode(fqn));


      cache1.getInvocationContext().getOptionOverrides().setDataVersion(new DefaultDataVersion());
      cache1.put(fqn, "key", "value");


      assertEquals("value", cache1.getNode(fqn).get("key"));
      CacheLoaderInvalidationTest.assertHasBeenInvalidated(cache2.getNode(fqn), "Should have been invalidated");
   }

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      cache[0].put(fqn, key, "value");// TestVersion-99 should be on both caches now


      TransactionManager mgr = cache[0].getTransactionManager();
      mgr.begin();


      DataVersion version = new DefaultDataVersion(300);
      cache[1].getInvocationContext().getOptionOverrides().setDataVersion(version);
      cache[1].put(fqn, key, "value2");
      mgr.commit();
   }

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    *
    * @throws Exception
    */
   public void testCompatibleVersionTypesOutDatedVersion2() throws Exception
   {
      DataVersion version = new DefaultDataVersion(200);
      cache[0].getInvocationContext().getOptionOverrides().setDataVersion(version);
      cache[0].put(fqn, key, "value");// TestVersion-99 should be on both caches now


      TransactionManager mgr = cache[0].getTransactionManager();
      mgr.begin();


      version = new DefaultDataVersion(100);
      cache[1].getInvocationContext().getOptionOverrides().setDataVersion(version);
      cache[1].put(fqn, key, "value2");
      try
      {
         // this call will use implicit versioning and will hence fail.

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      }
   }


   public void testPropagationOfDefaultVersions() throws Exception
   {
      DefaultDataVersion expected = new DefaultDataVersion();
      expected = (DefaultDataVersion) expected.increment();


      cache[0].put(fqn, key, "value");


      assertEquals("value", cache[0].get(fqn, key));
      assertEquals("value", cache[1].get(fqn, key));
      assertEquals(expected, cache[0].getNode(fqn).getVersion());
      assertEquals(expected, cache[1].getNode(fqn).getVersion());


      cache[1].put(fqn, key, "value2");
      expected = (DefaultDataVersion) expected.increment();


      assertEquals("value2", cache[0].get(fqn, key));
      assertEquals("value2", cache[1].get(fqn, key));
      assertEquals(expected, cache[0].getNode(fqn).getVersion());
      assertEquals(expected, cache[1].getNode(fqn).getVersion());

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            if (trace) log.trace("Fqn " + f + " not found in workspace; not using a data version.");
            return null;
         }
         if (n.isVersioningImplicit())
         {
            DefaultDataVersion v = (DefaultDataVersion) n.getVersion();
            if (trace)
               log.trace("Fqn " + f + " has implicit versioning.  Broadcasting an incremented version.");


            // potential bug here - need to check if we *need* to increment at all, because of Configuration.isLockParentForChildInsertRemove()
            return v.increment();
         }
         else
         {
            if (trace) log.trace("Fqn " + f + " has explicit versioning.  Broadcasting the version as-is.");
            return n.getVersion();

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      // Actually, it shouldn't have been invalidated, should be null
      // But, this assertion will pass if it is null, and we want
      assertHasBeenInvalidated(cache1.getNode(fqn), "Should have been invalidated");
      assertNull("Should be null", cache2.getNode(fqn));


      cache1.getInvocationContext().getOptionOverrides().setDataVersion(new DefaultDataVersion());
      cache1.put(fqn, "key", "value");


      assertEquals("value", cache1.getNode(fqn).get("key"));
      assertHasBeenInvalidated(cache2.getNode(fqn), "Should have been invalidated");
   }

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      control = createStrictControl();
      container = control.createMock(DataContainer.class);
      notifier = control.createMock(Notifier.class);
      nodes = new MockNodesFixture();
      globalTransaction = new GlobalTransaction();
      dataVersion = new DefaultDataVersion(10);
      ctx = createLegacyInvocationContext(container);


      AbstractVersionedDataCommand command = moreSetUp();
      command.initialize(notifier, container);
   }

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   }


   @SuppressWarnings("deprecation")
   protected DefaultDataVersion unmarshallDefaultDataVersion(ObjectInputStream in) throws Exception
   {
      return new DefaultDataVersion(readUnsignedLong(in));
   }

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      tmMock = control.createMock(TransactionManager.class);
      spiMock = control.createMock(CacheSPI.class);
      nodes = new MockNodesFixture();


      command = new VersionedInvalidateCommand(testFqn);
      dataVersion = new DefaultDataVersion(10);
      command.setDataVersion(dataVersion);
      command.initialize(spiMock, container, notifier);
      command.initialize(tmMock);
   }

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   public void testWithExistingNodeInvalidVersion()
   {
      nodes.adfNode.put("key", "value");
      nodes.adfNode.setDataLoaded(true);
      nodes.adfNode.setVersion(new DefaultDataVersion(100));
      expect(spiMock.getNode(testFqn)).andReturn(nodes.adfNode);
      control.replay();


      try
      {

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org.jboss.cache.interceptors.OptimisticReplicationInterceptor$DataVersionPopulator

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