Examples of java.nio.channels.SocketChannel.validOps()

java.nio.channels.SocketChannel.validOps()
Get the valid operations of this channel. Socket channels support connect, read and write operation, so this method returns ( SelectionKey.OP_CONNECT | SelectionKey.OP_READ | SelectionKey.OP_WRITE ). @see java.nio.channels.SelectableChannel#validOps() @return Valid operations in bit-set.

    @Override
    void accept (ServerSocketChannel server, Selector selector) throws IOException {
        SocketChannel channel = server.accept ();
        channel.configureBlocking (false);
        
        int validOps = channel.validOps ();
        System.out.println (validOps);
        
        if (! checkEligibility (channel)) {
            channel.finishConnect ();
            selector.close ();

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        try {
          s = SocketChannel.open();
          s.configureBlocking(false);
          // now this method is non-blocking
          s.connect(server);
          key = s.register(selector, s.validOps());
          // attach index of the key
          key.attach(i);
        } catch (Exception e) {
          stats.incNumConnectErrorServers();  
          String err = String.format("set up socket to server %s error: %s",

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                    }


                    synchronized(selector) {
                      selector.wakeup();
                      try {
                        newChannel.register(selector, newChannel.validOps());
                      } catch (ClosedChannelException e1) {
                        logger.error("An exception occurred while registering a selector: {}",e1.getMessage());
                      }                    
                    }

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        try {
          s = SocketChannel.open();
          s.configureBlocking(false);
          // now this method is non-blocking
          s.connect(server);
          key = s.register(selector, s.validOps());
          // attach index of the key
          key.attach(i);
        } catch (Exception e) {
          stats.incNumConnectErrorServers();  
          String err = String.format("set up socket to server %s error: %s",

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