How to use

MultiPointSender

in

org.apache.catalina.tribes.transport

/**
 * add new cluster member and create sender ( s. replicationMode) transfer
 * current properties to sender
 * 
 * @see org.apache.catalina.tribes.ClusterSender#add(org.apache.catalina.tribes.Member)
 */
public synchronized void add(Member member) {
  getTransport().add(member);
}

/**
 * start the sender and register transmitter mbean
 *
 * @see org.apache.catalina.tribes.ChannelSender#start()
 */
@Override
public void start() throws java.io.IOException {
  getTransport().connect();
}

/**
 * stop the sender and deregister mbeans (transmitter, senders)
 *
 * @see org.apache.catalina.tribes.ChannelSender#stop()
 */
@Override
public synchronized void stop() {
  getTransport().disconnect();
}

public void sendMessage(Member[] destination, ChannelMessage msg) throws ChannelException {
  MultiPointSender sender = null;
  try {
    sender = (MultiPointSender)getSender();
    if (sender == null) {
      ChannelException cx = new ChannelException("Unable to retrieve a data sender, time out error.");
      for (int i = 0; i < destination.length; i++) cx.addFaultyMember(destination[i], new NullPointerException("Unable to retrieve a sender from the sender pool"));
      throw cx;
    } else {
      sender.sendMessage(destination, msg);
    }
    sender.keepalive();
  }finally {
    if ( sender != null ) returnSender(sender);
  }
}

  /**
   * remove sender from transmitter. ( deregister mbean and disconnect sender )
   *
   * @see org.apache.catalina.tribes.ChannelSender#remove(org.apache.catalina.tribes.Member)
   */
  @Override
  public synchronized void remove(Member member) {
    getTransport().remove(member);
  }
}

/**
 * Call transmitter to check for sender socket status
 *
 * @see org.apache.catalina.ha.tcp.SimpleTcpCluster#backgroundProcess()
 */
@Override
public void heartbeat() {
  if (getTransport()!=null) getTransport().keepalive();
}

/**
 * Send data to one member
 * @see org.apache.catalina.tribes.ChannelSender#sendMessage(org.apache.catalina.tribes.ChannelMessage, org.apache.catalina.tribes.Member[])
 */
@Override
public void sendMessage(ChannelMessage message, Member[] destination) throws ChannelException {
  MultiPointSender sender = getTransport();
  sender.sendMessage(destination,message);
}

/**
 * Set the maximum number of retries, if message sending to a particular node fails
 */
private void setMaximumRetries() {
  Parameter maxRetriesParam = getParameter(TribesConstants.MAX_RETRIES);
  int maxRetries = 10;
  if (maxRetriesParam != null) {
    maxRetries = Integer.parseInt((String) maxRetriesParam.getValue());
  }
  ReplicationTransmitter replicationTransmitter =
      (ReplicationTransmitter) channel.getChannelSender();
  MultiPointSender multiPointSender = replicationTransmitter.getTransport();
  multiPointSender.setMaxRetryAttempts(maxRetries);
}

@Override
public void sendMessage(Member[] destination, ChannelMessage msg) throws ChannelException {
  MultiPointSender sender = null;
  try {
    sender = (MultiPointSender)getSender();
    if (sender == null) {
      ChannelException cx = new ChannelException("Unable to retrieve a data sender, time out error.");
      for (int i = 0; i < destination.length; i++) cx.addFaultyMember(destination[i], new NullPointerException("Unable to retrieve a sender from the sender pool"));
      throw cx;
    } else {
      sender.sendMessage(destination, msg);
    }
    sender.keepalive();
  }finally {
    if ( sender != null ) returnSender(sender);
  }
}

/**
 * remove sender from transmitter. ( deregister mbean and disconnect sender )
 *
 * @see org.apache.catalina.tribes.ChannelSender#remove(org.apache.catalina.tribes.Member)
 */
@Override
public synchronized void remove(Member member) {
  getTransport().remove(member);
}

/**
 * Call transmitter to check for sender socket status
 *
 * @see org.apache.catalina.ha.tcp.SimpleTcpCluster#backgroundProcess()
 */
@Override
public void heartbeat() {
  if (getTransport()!=null) getTransport().keepalive();
}

/**
 * Send data to one member
 * @see org.apache.catalina.tribes.ChannelSender#sendMessage(org.apache.catalina.tribes.ChannelMessage, org.apache.catalina.tribes.Member[])
 */
@Override
public void sendMessage(ChannelMessage message, Member[] destination) throws ChannelException {
  MultiPointSender sender = getTransport();
  sender.sendMessage(destination,message);
}

/**
 * Set the maximum number of retries, if message sending to a particular node fails
 */
private void setMaximumRetries() {
  Parameter maxRetriesParam = getParameter(TribesConstants.MAX_RETRIES);
  int maxRetries = 10;
  if (maxRetriesParam != null) {
    maxRetries = Integer.parseInt((String) maxRetriesParam.getValue());
  }
  ReplicationTransmitter replicationTransmitter =
      (ReplicationTransmitter) channel.getChannelSender();
  MultiPointSender multiPointSender = replicationTransmitter.getTransport();
  multiPointSender.setMaxRetryAttempts(maxRetries);
}

@Override
public void sendMessage(Member[] destination, ChannelMessage msg) throws ChannelException {
  MultiPointSender sender = null;
  try {
    sender = (MultiPointSender)getSender();
    if (sender == null) {
      ChannelException cx = new ChannelException("Unable to retrieve a data sender, time out("+getMaxWait()+" ms) error.");
      for (int i = 0; i < destination.length; i++) cx.addFaultyMember(destination[i], new NullPointerException("Unable to retrieve a sender from the sender pool"));
      throw cx;
    } else {
      sender.sendMessage(destination, msg);
    }
    sender.keepalive();
  }finally {
    if ( sender != null ) returnSender(sender);
  }
}

/**
 * remove sender from transmitter. ( deregister mbean and disconnect sender )
 * 
 * @see org.apache.catalina.tribes.ChannelSender#remove(org.apache.catalina.tribes.Member)
 */
@Override
public synchronized void remove(Member member) {
  getTransport().remove(member);
}

/**
 * Call transmitter to check for sender socket status
 * 
 * @see org.apache.catalina.ha.tcp.SimpleTcpCluster#backgroundProcess()
 */
@Override
public void heartbeat() {
  if (getTransport()!=null) getTransport().keepalive();
}

/**
 * add new cluster member and create sender ( s. replicationMode) transfer
 * current properties to sender
 *
 * @see org.apache.catalina.tribes.ChannelSender#add(org.apache.catalina.tribes.Member)
 */
@Override
public synchronized void add(Member member) {
  getTransport().add(member);
}

/**
 * Send data to one member
 * @see org.apache.catalina.tribes.ClusterSender#sendMessage(org.apache.catalina.tribes.ClusterMessage, org.apache.catalina.tribes.Member)
 */
public void sendMessage(ChannelMessage message, Member[] destination) throws ChannelException {
  MultiPointSender sender = getTransport();
  sender.sendMessage(destination,message);
}

/**
 * start the sender and register transmitter mbean
 * 
 * @see org.apache.catalina.tribes.ClusterSender#start()
 */
public void start() throws java.io.IOException {
  getTransport().connect();
}

/**
 * stop the sender and deregister mbeans (transmitter, senders)
 * 
 * @see org.apache.catalina.tribes.ChannelSender#stop()
 */
@Override
public synchronized void stop() {
  getTransport().disconnect();
}