Examples of java.nio.channels.SelectionKey.attach()

java.nio.channels.SelectionKey.attach()
Attaches an object to the key. @param anObject the object to attach @return the last attached object

    connection.endPoint = this;
    UdpConnection udp = this.udp;
    if (udp != null) connection.udp = udp;
    try {
      SelectionKey selectionKey = connection.tcp.accept(selector, socketChannel);
      selectionKey.attach(connection);


      int id = nextConnectionID++;
      if (nextConnectionID == -1) nextConnectionID = 1;
      connection.id = id;
      connection.setConnected(true);

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                    // register with no interest
                    sk = channel.register( this._selector, 0 );
                }


                // attach the client connection header
                sk.attach( header );
                // now set the requested interest
                sk.interestOps( ((Integer) arr[1]).intValue() );
            }
        }

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      SocketChannel channel = server.accept();
      channel.configureBlocking(false);
      channel.socket().setTcpNoDelay(tcpNoDelay);
      SelectionKey readKey = channel.register(selector, SelectionKey.OP_READ);
      c = new Connection(readKey, channel, System.currentTimeMillis());
      readKey.attach(c);
      synchronized (connectionList) {
        connectionList.add(numConnections, c);
        numConnections++;
      }
      if (LOG.isDebugEnabled())

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        channel.configureBlocking(false);
        channel.socket().setTcpNoDelay(tcpNoDelay);
        SelectionKey readKey = channel.register(selector, SelectionKey.OP_READ);
        c = new Connection(readKey, channel, System.currentTimeMillis());
        readKey.attach(c);
        synchronized (connectionList) {
          connectionList.add(numConnections, c);
          numConnections++;
        }
        if (LOG.isDebugEnabled())

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            channel.configureBlocking(false);
            SelectionKey selectionKey = channel.register(connectionManager.getNIODaemon().getSelector(), SelectionKey.OP_CONNECT);
    
            // prepare the handler for the connection
            client = CTPConnection.client(host, selectionKey, handler, connectionManager);
            selectionKey.attach(client);


            // connect (non-blocking)
            channel.connect(address);


        } catch(IOException e) {

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        }


        // construct handlers for this connection
        CTPHandler handler = handlerFactory.constructHandler();
        CTPConnection server = CTPConnection.server(channelKey, handler, this);
        channelKey.attach(server);
        server.handleConnect();
    }
    
    /**
     * Connect to the specified host.

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      SelectionKey clientKey = null;
      try {
        clientKey = accepted.registerSelector(selector, SelectionKey.OP_READ);


        FrameBuffer frameBuffer = new FrameBuffer(accepted, clientKey, SelectorThread.this);
        clientKey.attach(frameBuffer);
      } catch (IOException e) {
        LOGGER.warn("Failed to register accepted connection to selector!", e);
        if (clientKey != null) {
          cleanupSelectionKey(clientKey);
        }

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        Reader reader = getReader();
        try {
          reader.startAdd();
          SelectionKey readKey = reader.registerChannel(channel);
          c = getConnection(channel, System.currentTimeMillis());
          readKey.attach(c);
          synchronized (connectionList) {
            connectionList.add(numConnections, c);
            numConnections++;
          }
          if (LOG.isDebugEnabled())

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    public <C> Listener<C> createListener(ServerSocketChannel c, C context)
    {
        Listener<C> l = new ListenerImpl<C>(this, c, context);
        SelectionKey key = registerInterest(c,SelectionKey.OP_ACCEPT);
        key.attach(l);
        return l;
    }


    public <C> Connector<C> createConnector(String host, int port, C context)
    {

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    public <C> Connector<C> createConnector(SelectableChannel c, C context)
    {
        SelectionKey key = registerInterest(c,SelectionKey.OP_READ);
        Connector<C> co = new ConnectorImpl<C>(this, null, new SaslClientImpl(),(SocketChannel)c, context, key);
        key.attach(co);
        return co;
    }


    protected <C> Connector<C> createServerConnector(SelectableChannel c, C context, Listener<C> l)
    {

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