How to use

blockMessageDuringFlush

method

in

org.jgroups.protocols.pbcast.FLUSH

public Object down(Message msg) {
  if(!bypass) {
    Address dest = msg.getDest();
    if (dest == null) { // mcasts
      FlushHeader fh =msg.getHeader(this.id);
      if (fh != null && fh.type == FlushHeader.FLUSH_BYPASS) {
        return down_prot.down(msg);
      } else {
        blockMessageDuringFlush();
      }
    } else {
      // unicasts are irrelevant in virtual synchrony, let them through
      return down_prot.down(msg);
    }
  }
  return down_prot.down(msg);
}

public Object down(Message msg) {
  if(!bypass) {
    Address dest = msg.getDest();
    if (dest == null) { // mcasts
      FlushHeader fh =msg.getHeader(this.id);
      if (fh != null && fh.type == FlushHeader.FLUSH_BYPASS) {
        return down_prot.down(msg);
      } else {
        blockMessageDuringFlush();
      }
    } else {
      // unicasts are irrelevant in virtual synchrony, let them through
      return down_prot.down(msg);
    }
  }
  return down_prot.down(msg);
}

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);
}