How to use

sendBlockUpToChannel

method

in

org.jgroups.protocols.pbcast.FLUSH

private Object handleConnect(Event evt, boolean waitForUnblock) {
  if (sentBlock.compareAndSet(false, true)) {
    sendBlockUpToChannel();
  }
  Object result = down_prot.down(evt);
  if (result instanceof Throwable) {
    // set the var back to its original state if we cannot
    // connect successfully
    sentBlock.set(false);
  }
  if(waitForUnblock)
    waitForUnblock();
  return result;
}

sendBlockUpToChannel();
blockMutex.lock();
try {

private Object handleConnect(Event evt, boolean waitForUnblock) {
  if (sentBlock.compareAndSet(false, true)) {
    sendBlockUpToChannel();
  }
  Object result = down_prot.down(evt);
  if (result instanceof Throwable) {
    // set the var back to its original state if we cannot
    // connect successfully
    sentBlock.set(false);
  }
  if(waitForUnblock)
    waitForUnblock();
  return result;
}

private void handleStartFlush(Message msg, FlushHeader fh) {
  byte oldPhase = flushPhase.transitionToFirstPhase();
  if (oldPhase == FlushPhase.START_PHASE) {
    sendBlockUpToChannel();
    onStartFlush(msg.getSrc(), fh);
  } else if (oldPhase == FlushPhase.FIRST_PHASE) {

sendBlockUpToChannel();
blockMutex.lock();
try {

public Object down(Event evt) {
  switch (evt.getType()) {
  case Event.MSG:
    Message msg = (Message) evt.getArg();
    FlushHeader fh = (FlushHeader) msg.getHeader(getName());
    if (fh != null && fh.type == FlushHeader.FLUSH_BYPASS) {
      return down_prot.down(evt);
    } else {
      blockMessageDuringFlush();
    }
    break;
  case Event.GET_STATE:
    blockMessageDuringFlush();
    break;
  case Event.CONNECT:
    sendBlockUpToChannel();
    break;
  case Event.SUSPEND:
    return startFlush(evt, 3, false);
  case Event.RESUME:
    onResume();
    return null;
  }
  return down_prot.down(evt);
}