Examples of org.jboss.netty.channel.ChannelFuture

org.jboss.netty.channel.ChannelFuture
The result of an asynchronous {@link Channel} I/O operation.
All I/O operations in Netty are asynchronous. It means any I/O calls will return immediately with no guarantee that the requested I/O operation has been completed at the end of the call. Instead, you will be returned with a {@link ChannelFuture} instance which tells you when the requested I/Ooperation has succeeded, failed, or cancelled.
Various methods are provided to let you check if the I/O operation has been completed, wait for the completion, and retrieve the result of the I/O operation. It also allows you to add more than one {@link ChannelFutureListener}so you can get notified when the I/O operation has been completed. @author The Netty Project (netty-dev@lists.jboss.org) @author Trustin Lee (tlee@redhat.com) @version $Rev: 987 $, $Date: 2009-03-04 23:27:20 +0900 (Wed, 04 Mar 2009) $ @apiviz.landmark @apiviz.owns org.jboss.netty.channel.ChannelFutureListener - - notifies

     */
    private final class NettyProducerPoolableObjectFactory implements PoolableObjectFactory<Channel> {


        @Override
        public Channel makeObject() throws Exception {
            ChannelFuture channelFuture = openConnection();
            Channel answer = openChannel(channelFuture);
            LOG.trace("Created channel: {}", answer);
            return answer;
        }

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            }
        }
    }


    protected ChannelFuture openConnection() throws Exception {
        ChannelFuture answer;


        if (isTcp()) {
            // its okay to create a new bootstrap for each new channel
            ClientBootstrap clientBootstrap = new ClientBootstrap(channelFactory);
            clientBootstrap.setOption("keepAlive", configuration.isKeepAlive());

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     */
    private final class NettyProducerPoolableObjectFactory implements PoolableObjectFactory<Channel> {


        @Override
        public Channel makeObject() throws Exception {
            ChannelFuture channelFuture = openConnection();
            Channel answer = openChannel(channelFuture);
            LOG.trace("Created channel: {}", answer);
            return answer;
        }

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      // Set up the event pipeline factory.
      bootstrap.setPipelineFactory(new HotRodClientPipelaneFactory(decoder));
      bootstrap.setOption("tcpNoDelay", getTransportFactory().isTcpNoDelay());


      // Start the connection attempt.
      ChannelFuture future = bootstrap.connect(serverAddress);


      // Wait until the connection attempt succeeds or fails.
      channel = future.awaitUninterruptibly().getChannel();
      if (!future.isSuccess()) {
         bootstrap.releaseExternalResources();
         throw new TransportException("Could not create netty transport", future.getCause());
      }
   }

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            throw new IllegalArgumentException(e.getMessage());
         }
      }
      address = new InetSocketAddress(host, port);


      ChannelFuture future = bootstrap.connect(address);
      future.awaitUninterruptibly();


      if (future.isSuccess())
      {
         final Channel ch = future.getChannel();
         SslHandler sslHandler = ch.getPipeline().get(SslHandler.class);
         if (sslHandler != null)
         {
            ChannelFuture handshakeFuture = sslHandler.handshake();
            handshakeFuture.awaitUninterruptibly();
            if (handshakeFuture.isSuccess())
            {
               ch.getPipeline().get(HornetQChannelHandler.class).active = true;
            }
            else
            {

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      SslHandler sslHandler = (SslHandler)channel.getPipeline().get("ssl");
      if (sslHandler != null)
      {
         try
         {
            ChannelFuture sslCloseFuture = sslHandler.close();


            if (!sslCloseFuture.awaitUninterruptibly(10000))
            {
               NettyConnection.log.warn("Timed out waiting for ssl close future to complete");
            }
         }
         catch (Throwable t)
         {
            // ignore
         }
      }


      ChannelFuture closeFuture = channel.close();


      if (!closeFuture.awaitUninterruptibly(10000))
      {
         NettyConnection.log.warn("Timed out waiting for channel to close");
      }


      closed = true;

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                  batchBuffer = HornetQBuffers.dynamicBuffer(NettyConnection.BATCHING_BUFFER_SIZE);
               }
            }


            ChannelFuture future = channel.write(buffer.channelBuffer());


            if (flush)
            {
               while (true)
               {
                  try
                  {
                     boolean ok = future.await(10000);


                     if (!ok)
                     {
                        NettyConnection.log.warn("Timed out waiting for packet to be flushed");
                     }

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            throw new IllegalArgumentException(e.getMessage());
         }
      }
      address = new InetSocketAddress(host, port);


      ChannelFuture future = bootstrap.connect(address);
      future.awaitUninterruptibly();


      if (future.isSuccess())
      {
         final Channel ch = future.getChannel();
         SslHandler sslHandler = ch.getPipeline().get(SslHandler.class);
         if (sslHandler != null)
         {
            ChannelFuture handshakeFuture = sslHandler.handshake();
            handshakeFuture.awaitUninterruptibly();
            if (handshakeFuture.isSuccess())
            {
               ch.getPipeline().get(HornetQChannelHandler.class).active = true;
            }
            else
            {

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      return (request.getMethod() == HttpMethod.GET) && PATH.equals(request.getUri());
    }


    private void write404(MessageEvent e) {
      HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND);
      ChannelFuture future = e.getChannel().write(response);
      future.addListener(ChannelFutureListener.CLOSE);
    }

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        writer.close();
      } catch (IOException e1) {
        LOG.error("error writing resource report", e1);
      }
      response.setContent(content);
      ChannelFuture future = e.getChannel().write(response);
      future.addListener(ChannelFutureListener.CLOSE);
    }

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