Examples of org.jboss.jms.client.delegate.DelegateSupport

org.jboss.jms.client.delegate.DelegateSupport
Base class for all client-side delegate classes. Client-side delegate classes provide an empty implementation of the appropriate delegate interface. The classes are advised using JBoss AOP to provide the client side advice stack. The methods in the delegate class will never actually be invoked since they will either be handled in the advice stack or invoked on the server before reaching the delegate. The delegates are created on the server and serialized back to the client. When they arrive on the client, the init() method is called which causes the advices to be bound to the advised class. @author Tim Fox @author Ovidiu Feodorov @version $Revision: 2485 $ $Id: DelegateSupport.java 2485 2007-02-28 02:30:33Z ovidiu.feodorov@jboss.com $


   // Static --------------------------------------------------------


   public static DelegateIdentity getIdentity(Invocation i)
   {
      DelegateSupport ds = (DelegateSupport)i.getTargetObject();


      Integer id = new Integer(ds.getID());
      String type = ds.getClass().getName();


      type = type.substring(type.lastIndexOf('.') + 1);


      return new DelegateIdentity(id, type);
   }

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   }


   public Object handleCreateSessionDelegate(Invocation invocation) throws Throwable
   {
      ClientSessionDelegate sessionDelegate = (ClientSessionDelegate)invocation.invokeNext();
      DelegateSupport delegate = (DelegateSupport)sessionDelegate;


      ConnectionState connectionState = (ConnectionState)getState(invocation);


      MethodInvocation mi = (MethodInvocation)invocation;
      boolean transacted = ((Boolean)mi.getArguments()[0]).booleanValue();
      int ackMode = ((Integer)mi.getArguments()[1]).intValue();
      boolean xa = ((Boolean)mi.getArguments()[2]).booleanValue();


      SessionState sessionState =
         new SessionState(connectionState, sessionDelegate, transacted,
                          ackMode, xa, sessionDelegate.getDupsOKBatchSize());


      delegate.setState(sessionState);
      return delegate;
   }

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   }


   public Object handleCreateConsumerDelegate(Invocation invocation) throws Throwable
   {
      ClientConsumerDelegate consumerDelegate = (ClientConsumerDelegate)invocation.invokeNext();
      DelegateSupport delegate = (DelegateSupport)consumerDelegate;


      SessionState sessionState = (SessionState)getState(invocation);


      MethodInvocation mi = (MethodInvocation)invocation;
      JBossDestination dest = (JBossDestination)mi.getArguments()[0];
      String selector = (String)mi.getArguments()[1];
      boolean noLocal = ((Boolean)mi.getArguments()[2]).booleanValue();
      String subscriptionName = (String)mi.getArguments()[3];
      boolean connectionConsumer = ((Boolean)mi.getArguments()[4]).booleanValue();


      int consumerID = consumerDelegate.getID();
      int bufferSize = consumerDelegate.getBufferSize();
      int maxDeliveries = consumerDelegate.getMaxDeliveries();


      ConsumerState consumerState =
         new ConsumerState(sessionState, consumerDelegate, dest, selector, noLocal,
                           subscriptionName, consumerID, connectionConsumer, bufferSize,
                           maxDeliveries);


      delegate.setState(consumerState);
      return consumerDelegate;
   }

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   public Object handleCreateProducerDelegate(Invocation invocation) throws Throwable
   {
      // ProducerDelegates are not created on the server


      ProducerDelegate producerDelegate = new ClientProducerDelegate();
      DelegateSupport delegate = (DelegateSupport)producerDelegate;


      SessionState sessionState = (SessionState)getState(invocation);


      MethodInvocation mi = (MethodInvocation)invocation;
      Destination dest = ((Destination)mi.getArguments()[0]);


      ProducerState producerState = new ProducerState(sessionState, producerDelegate, dest);


      delegate.setState(producerState);


      // send an arbitrary invocation into the producer delegate, this will trigger AOP stack
      // initialization and AOP aspect class loading, using the "good" class loader, which is set
      // now. This will save us from having to switch the thread context class loader on every send.
      producerDelegate.getDeliveryMode();

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   public Object handleCreateBrowserDelegate(Invocation invocation) throws Throwable
   {
      MethodInvocation mi = (MethodInvocation)invocation;


      ClientBrowserDelegate browserDelegate = (ClientBrowserDelegate)invocation.invokeNext();
      DelegateSupport delegate = (DelegateSupport)browserDelegate;


      SessionState sessionState = (SessionState)getState(invocation);


      JBossDestination destination = (JBossDestination)mi.getArguments()[0];
      String selector = (String)mi.getArguments()[1];


      BrowserState state =
         new BrowserState(sessionState, browserDelegate, destination, selector);


      delegate.setState(state);
      return browserDelegate;
   }

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         throw new Exception("Connection not an instance of JBossConnection");
      }
      
      JBossConnection jbconn = (JBossConnection)conn;
      
      DelegateSupport del = (DelegateSupport)jbconn.getDelegate();
      
      ConnectionState state = (ConnectionState)del.getState();
      
      return state.getServerID();
   }

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   }


   public Object handleCreateSessionDelegate(Invocation invocation) throws Throwable
   {
      ClientSessionDelegate sessionDelegate = (ClientSessionDelegate)invocation.invokeNext();
      DelegateSupport delegate = (DelegateSupport)sessionDelegate;


      ConnectionState connectionState = (ConnectionState)getState(invocation);


      MethodInvocation mi = (MethodInvocation)invocation;
      boolean transacted = ((Boolean)mi.getArguments()[0]).booleanValue();
      int ackMode = ((Integer)mi.getArguments()[1]).intValue();
      boolean xa = ((Boolean)mi.getArguments()[2]).booleanValue();


      boolean isCC = false;
      if (mi.getArguments().length >= 4)
      {
         isCC = ((Boolean)mi.getArguments()[3]).booleanValue();
      }


      SessionState sessionState =
         new SessionState(connectionState, sessionDelegate, transacted,
                          ackMode, xa, sessionDelegate.getDupsOKBatchSize(), 
                          connectionState.isEnableOrderingGroup(), connectionState.getDefaultOrderingGroupName(), isCC);


      delegate.setState(sessionState);
      return delegate;
   }

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   }


   public Object handleCreateConsumerDelegate(Invocation invocation) throws Throwable
   {
      ClientConsumerDelegate consumerDelegate = (ClientConsumerDelegate)invocation.invokeNext();
      DelegateSupport delegate = (DelegateSupport)consumerDelegate;


      SessionState sessionState = (SessionState)getState(invocation);


      MethodInvocation mi = (MethodInvocation)invocation;
      JBossDestination dest = (JBossDestination)mi.getArguments()[0];
      String selector = (String)mi.getArguments()[1];
      boolean noLocal = ((Boolean)mi.getArguments()[2]).booleanValue();
      String subscriptionName = (String)mi.getArguments()[3];
      boolean connectionConsumer = ((Boolean)mi.getArguments()[4]).booleanValue();


      String consumerID = consumerDelegate.getID();
      int bufferSize = consumerDelegate.getBufferSize();
      int maxDeliveries = consumerDelegate.getMaxDeliveries();
      long redeliveryDelay = consumerDelegate.getRedeliveryDelay();


      ConsumerState consumerState =
         new ConsumerState(sessionState, consumerDelegate, dest, selector, noLocal,
                           subscriptionName, consumerID, connectionConsumer, bufferSize,
                           maxDeliveries, redeliveryDelay);


      delegate.setState(consumerState);
      return consumerDelegate;
   }

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   public Object handleCreateProducerDelegate(Invocation invocation) throws Throwable
   {
      // ProducerDelegates are not created on the server


      ProducerDelegate producerDelegate = new ClientProducerDelegate();
      DelegateSupport delegate = (DelegateSupport)producerDelegate;


      SessionState sessionState = (SessionState)getState(invocation);


      MethodInvocation mi = (MethodInvocation)invocation;
      Destination dest = ((Destination)mi.getArguments()[0]);


      ProducerState producerState = new ProducerState(sessionState, producerDelegate, dest);


      if (sessionState.isEnableOrderingGroup())
      {
         producerState.setOrderingGroupEnabled(true);
         producerState.setOrderingGroupName(sessionState.getDefaultOrderingGroupName());
      }
      delegate.setState(producerState);


      // send an arbitrary invocation into the producer delegate, this will trigger AOP stack
      // initialization and AOP aspect class loading, using the "good" class loader, which is set
      // now. This will save us from having to switch the thread context class loader on every send.
      producerDelegate.getDeliveryMode();

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   public Object handleCreateBrowserDelegate(Invocation invocation) throws Throwable
   {
      MethodInvocation mi = (MethodInvocation)invocation;


      ClientBrowserDelegate browserDelegate = (ClientBrowserDelegate)invocation.invokeNext();
      DelegateSupport delegate = (DelegateSupport)browserDelegate;


      SessionState sessionState = (SessionState)getState(invocation);


      JBossDestination destination = (JBossDestination)mi.getArguments()[0];
      String selector = (String)mi.getArguments()[1];


      BrowserState state =
         new BrowserState(sessionState, browserDelegate, destination, selector);


      delegate.setState(state);
      return browserDelegate;
   }

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