Examples of java.nio.ByteBuffer.duplicate()

java.nio.ByteBuffer.duplicate()
Returns a duplicated buffer that shares content with this buffer.
The duplicated buffer's position, limit, capacity and mark are the same as this buffer. The duplicated buffer's readonly property and byte order are same as this buffer too.

The new buffer shares content with this buffer, which means either buffer's change of content will be visible to the other. The two buffer's position, limit and mark are independent.
@return A duplicated buffer that shares content with this buffer.

                (ByteBuffer) chunk.duplicate().limit(pos + size).position(pos)
            )
        );
      }
    }
    return HyperLogLogCollector.makeCollector(buf.duplicate()).estimateCardinality();
  }


  public static void main(String[] args) throws Exception {
    Runner.main(HyperLogLogCollectorBenchmark.class, args);
  }

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   }
   
   public void multiConnectionSend(final Message message, final List<TCPConnection> connections) {
      ByteBuffer bb = message.getByteBufferWithLengthHeader();
      for (TCPConnection connection : connections)
         pendingSendMessages.add(new TCPMessage(connection, bb.duplicate()));
      writeSelector.wakeup();
   }
   
   public void stop() {
      running = false;

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                        numbytes += temp_numbytes;
                    }
                    message.position(0);
                    synchronized (recvQueue) {
                        recvQueue
                        .put(new Message(message.duplicate(), sid));
                    }
                    msgLength.position(0);
                }
            } catch (Exception e) {
                LOG.warn("Connection broken for id " + sid + ", my id = " +

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            ByteBuffer payload = xfr.getPayload();
            int payloadSent = send(xfr, payload);


            if(payload != null && payloadSent < payload.remaining())
            {
                payload = payload.duplicate();
                payload.position(payload.position()+payloadSent);


                Transfer secondTransfer = new Transfer();


                secondTransfer.setDeliveryTag(xfr.getDeliveryTag());

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            payload.flip();
        }


        if(queueEntry.getDeliveryCount() != 0)
        {
            payload = payload.duplicate();
            ValueHandler valueHandler = new ValueHandler(_typeRegistry);


            Header oldHeader = null;
            try
            {

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        {
            buf = encodeAsBuffer();
            _encoded = buf;
        }


        buf = buf.duplicate();


        buf.position(0);


        if(dest.remaining() < buf.limit())
        {

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            ByteBuffer payload = xfr.getPayload();
            int payloadSent = send(xfr, payload);


            if(payload != null && payloadSent < payload.remaining() && payloadSent >= 0)
            {
                payload = payload.duplicate();
                payload.position(payload.position()+payloadSent);


                Transfer secondTransfer = new Transfer();


                secondTransfer.setDeliveryTag(xfr.getDeliveryTag());

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                //execute this in the executor to preserve ordering, otherwise the socket
                //may be closed while invocations are active
                executor.execute(new Runnable() {
                    @Override
                    public void run() {
                        WebSockets.sendClose(buffer.duplicate(), channel, null);
                    }
                });
            }
        }

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                    originalBuffer.put((byte) '*');
                }
                originalBuffer.flip();
                response.getWriteSetter().set(new ChannelListener<Channel>() {


                    private ByteBuffer buffer = originalBuffer.duplicate();
                    int count = 0;


                    @Override
                    public void handleEvent(final Channel channel) {
                        do {

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                                exception = e;
                                errorLatch.countDown();
                            }
                            if(!buffer.hasRemaining()) {
                                count++;
                                buffer = originalBuffer.duplicate();
                            }
                        } while (count < 1000);
                        exchange.endExchange();
                    }
                });

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