Examples of org.jboss.util.stream.MarshalledValueOutputStream

org.jboss.util.stream.MarshalledValueOutputStream
An ObjectOutputStream subclass used by the MarshalledValue class to ensure the classes and proxies are loaded using the thread context class loader. Currently this does not do anything as neither class or proxy annotations are used. @author Scott.Stark@jboss.org @version $Revision: 37406 $

      loader.remove(Fqn.fromString("/"));
      int num;
      try
      {
         ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
         MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
         loader.loadEntireState(os);
         num = baos.size();
      }
      catch (UnsupportedOperationException ex)
      {
         log.info("caught unsupported operation exception that's okay: ", ex);
         return;
      }


      Object txnKey = new Object();
      List<Modification> mods = createUpdates();
      loader.prepare(txnKey, mods, false);
      loader.rollback(txnKey);
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      assertEquals(num, baos.size());
   }

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      assertEquals(2, loader.get(FQN).size());


      // Save state
      byte[] state;
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      try
      {
         loader.loadEntireState(os);
      }
      catch (UnsupportedOperationException ex)
      {
      }
      finally
      {
         cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
         os.close();
         assertTrue(baos.size() > 0);
         state = baos.toByteArray();
      }


      /* Restore state. */

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      assertEquals(c4, loader.get(SUBTREE_FQN).get(2));
      assertEquals(2, loader.get(SUBTREE_FQN).size());


      /* Save state. */
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadState(SUBTREE_FQN, os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();
      assertTrue(baos.size() > 0);
      loader.remove(SUBTREE_FQN);


      /* Restore state. */

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      assertEquals(c4, loader.get(SUBTREE_FQN).get(2));
      assertEquals(2, loader.get(SUBTREE_FQN).size());


      /* Save state. */
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadState(FQN, os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();
      assertTrue(baos.size() > 0);


      /* Restore state. */
      ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
      MarshalledValueInputStream is = new MarshalledValueInputStream(bais);

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         throws Exception
   {
      loader.remove(Fqn.fromString("/"));


      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      os.close();
      int num = baos.size();


      Object txnKey = new Object();
      List<Modification> mods = createUpdates();
      loader.prepare(txnKey, mods, false);
      loader.rollback(txnKey);


      baos = new ByteArrayOutputStream(1024);
      os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      os.close();


      assertEquals(num, baos.size());
   }

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      assertEquals(c2, loader.get(FQN).get(2));
      assertEquals(2, loader.get(FQN).size());


      /* Save state. */
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      MarshalledValueOutputStream os = new MarshalledValueOutputStream(baos);
      loader.loadEntireState(os);
      cache.getMarshaller().objectToObjectStream(DefaultStateTransferManager.STREAMING_DELIMITER_NODE, os);
      os.close();
      assertTrue(baos.size() > 0);


      byte[] savedState = baos.toByteArray();


      /* Restore state. */

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   }


   public byte[] getState()
   {
      if (log.isTraceEnabled()) log.trace("State retrieval request received");
      MarshalledValueOutputStream out = null;
      byte[] result;
      ExposedByteArrayOutputStream baos = new ExposedByteArrayOutputStream(16 * 1024);
      try
      {
         out = new MarshalledValueOutputStream(baos);


         stateTransferManager.getState(out, Fqn.ROOT, configuration.getStateRetrievalTimeout(), true, true);
      }
      catch (Throwable t)
      {

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   }


   public byte[] getState(String state_id)
   {
      if (trace) log.trace("Getting state for state id " + state_id);
      MarshalledValueOutputStream out = null;
      String sourceRoot = state_id;
      byte[] result;


      boolean hasDifferentSourceAndIntegrationRoots = state_id.indexOf(DefaultStateTransferManager.PARTIAL_STATE_DELIMITER) > 0;
      if (hasDifferentSourceAndIntegrationRoots)
      {
         sourceRoot = state_id.split(DefaultStateTransferManager.PARTIAL_STATE_DELIMITER)[0];
      }


      ExposedByteArrayOutputStream baos = new ExposedByteArrayOutputStream(16 * 1024);
      try
      {
         out = new MarshalledValueOutputStream(baos);


         stateTransferManager.getState(out, Fqn.fromString(sourceRoot),
               configuration.getStateRetrievalTimeout(), true, true);
      }
      catch (Throwable t)

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      return result;
   }


   public void getState(OutputStream ostream)
   {
      MarshalledValueOutputStream out = null;
      try
      {
         out = new MarshalledValueOutputStream(ostream);
         stateTransferManager.getState(out, Fqn.ROOT, configuration.getStateRetrievalTimeout(), true, true);
      }
      catch (Throwable t)
      {
         stateProducingFailed(t);

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   public void getState(String state_id, OutputStream ostream)
   {
      if (trace) log.trace("Getting state for state id " + state_id);
      String sourceRoot = state_id;
      MarshalledValueOutputStream out = null;
      boolean hasDifferentSourceAndIntegrationRoots = state_id.indexOf(DefaultStateTransferManager.PARTIAL_STATE_DELIMITER) > 0;
      if (hasDifferentSourceAndIntegrationRoots)
      {
         sourceRoot = state_id.split(DefaultStateTransferManager.PARTIAL_STATE_DELIMITER)[0];
      }
      try
      {
         out = new MarshalledValueOutputStream(ostream);
         stateTransferManager.getState(out, Fqn.fromString(sourceRoot), configuration.getStateRetrievalTimeout(), true, true);
      }
      catch (Throwable t)
      {
         stateProducingFailed(t);

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