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 $

    * The object has to implement interface Serializable or Externalizable
    */
   private byte[] objectToByteBufferInternal (Object obj) throws Exception
   {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      MarshalledValueOutputStream mvos = new MarshalledValueOutputStream(baos);
      mvos.writeObject(obj);
      mvos.flush();
      return baos.toByteArray();
   }

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      }


      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      // write a marker to stream to distinguish from null value stream
      baos.write(SERIALIZABLE_VALUE);
      MarshalledValueOutputStream mvos = new MarshalledValueOutputStream(baos);
      mvos.writeObject(obj);
      mvos.flush();
      return baos.toByteArray();
   }

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               {
                  ((StateTransferStreamProvider) provider).getCurrentState(ostream);
               }
               else
               {
                  MarshalledValueOutputStream mvos = new MarshalledValueOutputStream(ostream);
                  toClose = mvos;
                  mvos.writeObject(state);
               }
            }
            catch (Exception ex)
            {
               CoreGroupCommunicationService.this.log.error("getState failed for service " + serviceName, ex);

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         CoreGroupCommunicationService.this.log.debug("getState called for service " + serviceName);
         
         StateTransferProvider provider = stateProviders.get(serviceName);
         if (provider != null)
         {
            MarshalledValueOutputStream mvos = null;
            Object state = provider.getCurrentState();
            try
            {
               ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
               mvos = new MarshalledValueOutputStream(baos);
               mvos.writeObject(state);
               mvos.flush();
               mvos.close();
               return baos.toByteArray();
            }
            catch (Exception ex)
            {
               CoreGroupCommunicationService.this.log.error("getState failed for service " + serviceName, ex);
            }
            finally
            {
               if (mvos != null)
               {
                  try
                  {
                     mvos.close();
                  }
                  catch (IOException ignored)
                  {
                     log.debug("Caught exception closing stream used for marshalling state", ignored);
                  }

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    *         (or null), and element 1 is the persistent state (or null).
    */
   private byte[] generateState(Fqn fqn, long timeout, boolean force) throws Throwable
   {


      MarshalledValueOutputStream out = null;
      byte[] result = null;
      try
      {
         ExposedByteArrayOutputStream baos = new ExposedByteArrayOutputStream(16 * 1024);
         out = new MarshalledValueOutputStream(baos);
         try
         {
            stateTransferManager.getState(out, fqn, timeout, force, false);
         }
         catch (RegionEmptyException ree)

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   {
   }


   public byte[] getState()
   {
      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)
   {
      MarshalledValueOutputStream out = null;
      String sourceRoot = state_id;
      byte[] result;


      boolean hasDifferentSourceAndIntegrationRoots = state_id.indexOf(StateTransferManager.PARTIAL_STATE_DELIMITER) > 0;
      if (hasDifferentSourceAndIntegrationRoots)
      {
         sourceRoot = state_id.split(StateTransferManager.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)
   {
      String sourceRoot = state_id;
      MarshalledValueOutputStream out = null;
      boolean hasDifferentSourceAndIntegrationRoots = state_id.indexOf(StateTransferManager.PARTIAL_STATE_DELIMITER) > 0;
      if (hasDifferentSourceAndIntegrationRoots)
      {
         sourceRoot = state_id.split(StateTransferManager.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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    *         (or null), and element 1 is the persistent state (or null).
    */
   private byte[] generateState(Fqn fqn, long timeout, boolean force) throws Throwable
   {


      MarshalledValueOutputStream out = null;
      byte[] result = null;
      try
      {
         ExposedByteArrayOutputStream baos = new ExposedByteArrayOutputStream(16 * 1024);
         out = new MarshalledValueOutputStream(baos);
         try
         {
            stateTransferManager.getState(out, fqn, timeout, force, false);
         }
         catch (RegionEmptyException ree)

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