Examples of net.timewalker.ffmq3.utils.RawDataBuffer

net.timewalker.ffmq3.utils.RawDataBuffer

A RawDataBuffer is a dynamically growing byte array.

It implements {@link java.io.DataOutput} and {@link java.io.DataInput} to write or read data plus additional null-safe versions of the methods.

This class does not implement any synchronization nor bound checking for maximum performance.
Note that the UTF read/write methods are not compatible with the JDK implementation because they were modified to take advantage of the RawDataBuffer layout.

        // Start senders
        TopicPublisherThread[] senders = new TopicPublisherThread[params.senderCount];
        int totalExpected = params.messageCount*params.receiverCount;
        for (int n = 0 ; n < senders.length ; n++)
        {
            senders[n] = new TopicPublisherThread("Sender"+(n+1),
                                                  msgFactory,
                                                  startSynchro,
                                                  connection,
                                                  params.senderTransacted,
                                                  params.messageCount/params.senderCount,

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        // Start senders
        TopicPublisherThread[] senders = new TopicPublisherThread[params.senderCount];
        int totalExpected = params.messageCount*params.receiverCount;
        for (int n = 0 ; n < senders.length ; n++)
        {
            senders[n] = new TopicPublisherThread("Sender"+(n+1),
                                                  msgFactory,
                                                  startSynchro,
                                                  sendersConnections[n],
                                                  params.senderTransacted,
                                                  params.messageCount/params.senderCount,

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        // Start senders
        TopicPublisherThread[] senders = new TopicPublisherThread[params.senderCount];
        int totalExpected = params.messageCount*params.receiverCount;
        for (int n = 0 ; n < senders.length ; n++)
        {
            senders[n] = new TopicPublisherThread("Sender"+(n+1),
                                                  msgFactory,
                                                  startSynchro,
                                                  sendersConnections[n],
                                                  params.senderTransacted,
                                                  params.messageCount/params.senderCount,

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          connection = createTopicConnection();
          
          // Start receivers
          TopicSubscriberThread[] receivers = new TopicSubscriberThread[params.receiverCount];
          for (int n = 0 ; n < receivers.length ; n++)
              receivers[n] = new TopicSubscriberThread("Receiver"+(n+1),
                                                   startSynchro,
                                                       connection,
                                                       params.receiverTransacted,
                                                       params.acknowledgeMode,
                                                       topic,

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            receiverConnections[n] = createTopicConnection();
        
        // Start receivers
        TopicSubscriberThread[] receivers = new TopicSubscriberThread[params.receiverCount];
        for (int n = 0 ; n < receivers.length ; n++)
            receivers[n] = new TopicSubscriberThread("Receiver"+(n+1),
                                               startSynchro,
                                                   receiverConnections[n],
                                                   params.receiverTransacted,
                                                   params.acknowledgeMode,
                                                   topic,

View Full Code Here

{
    private static final int MSG_SIZE = 100;
    
    private byte[] serialize( AbstractMessage message ) throws Exception
    {
        RawDataBuffer buffer = new RawDataBuffer(1024);
        MessageSerializer.serializeTo(message, buffer);
        return buffer.toByteArray();
    }

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        return buffer.toByteArray();
    }
    
    private AbstractMessage unserialize( byte[] data ) throws Exception
    {
        RawDataBuffer buffer = new RawDataBuffer(data);
        return MessageSerializer.unserializeFrom(buffer, false);
    }

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  /**
     * Serialize a message
     */
    public static byte[] serialize( AbstractMessage message , int typicalSize )
    {
        RawDataBuffer rawMsg = message.getRawMessage();
        if (rawMsg != null)
            return rawMsg.toByteArray();


        RawDataBuffer buffer = new RawDataBuffer(typicalSize);
        buffer.writeByte(message.getType());
        message.serializeTo(buffer);
        
        return buffer.toByteArray();
    }

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    /**
     * Unserialize a message
     */
    public static AbstractMessage unserialize( byte[] rawData , boolean asInternalCopy )
    {
      RawDataBuffer rawIn = new RawDataBuffer(rawData);
        byte type = rawIn.readByte();
        AbstractMessage message = MessageType.createInstance(type);
        message.initializeFromRaw(rawIn);
        if (asInternalCopy)
          message.setInternalCopy(true);

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     * Serialize a message to the given output stream
     */
    public static void serializeTo( AbstractMessage message , RawDataBuffer out )
    {
        // Do we have a cached version of the raw message ?
      RawDataBuffer rawMsg = message.getRawMessage();
        if (rawMsg != null)
        {
          out.writeInt(rawMsg.size());
          rawMsg.writeTo(out);
        }
        else
        {
            // Serialize the message
          out.writeInt(0); // Write a dummy size

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