How to use

GmsImpl

in

org.jgroups.protocols.pbcast

protected void process(Collection<Request> requests) {
  if(requests.isEmpty())
    return;
  Request firstReq=requests.iterator().next();
  switch(firstReq.type) {
    case Request.JOIN:
    case Request.JOIN_WITH_STATE_TRANSFER:
    case Request.LEAVE:
    case Request.SUSPECT:
      impl.handleMembershipChange(requests);
      break;
    case Request.MERGE:
      impl.merge(firstReq.views);
      break;
    default:
      log.error("request " + firstReq.type + " is unknown; discarded");
  }
}

public void init() throws Exception {
  super.init();
  join_promise.reset();
}

  break;
case GmsHeader.JOIN_RSP:
  impl.handleJoinResponse(hdr.join_rsp);
  break;
case GmsHeader.LEAVE_REQ:
  break;
case GmsHeader.LEAVE_RSP:
  impl.handleLeaveResponse();
  break;
case GmsHeader.VIEW:
    impl.handleViewChange(new_view, hdr.my_digest);
    impl.handleViewChange(new_view, hdr.my_digest);
  impl.handleMergeRequest(msg.getSrc(), hdr.merge_id);
  break;
  MergeData merge_data=new MergeData(msg.getSrc(), hdr.view, hdr.my_digest);
  merge_data.merge_rejected=hdr.merge_rejected;
  impl.handleMergeResponse(merge_data, hdr.merge_id);
  break;
  impl.handleMergeView(new MergeData(msg.getSrc(), hdr.view, hdr.my_digest), hdr.merge_id);
  down_prot.down(new Event(Event.RESUME_STABLE));
  break;
  impl.handleMergeCancelled(hdr.merge_id);

  JoinRsp join_rsp=readJoinRsp(msg.getRawBuffer(), msg.getOffset(), msg.getLength());
  if(join_rsp != null)
    impl.handleJoinResponse(join_rsp);
  break;
case GmsHeader.LEAVE_REQ:
  break;
case GmsHeader.LEAVE_RSP:
  impl.handleLeaveResponse();
  break;
case GmsHeader.VIEW:
    impl.handleViewChange(new_view, tuple.getVal2());
    impl.handleViewChange(new_view, tuple.getVal2());
  Collection<? extends Address> mbrs=readMembers(msg.getRawBuffer(), msg.getOffset(), msg.getLength());
  if(mbrs != null)
    impl.handleMergeRequest(msg.getSrc(), hdr.merge_id, mbrs);
  break;
  log.trace("%s: got merge response from %s, merge_id=%s, merge data is %s",
       local_addr, msg.getSrc(), hdr.merge_id, merge_data);
  impl.handleMergeResponse(merge_data, hdr.merge_id);
  break;
  if(tuple == null)
    return null;
  impl.handleMergeView(new MergeData(msg.getSrc(), tuple.getVal1(), tuple.getVal2()), hdr.merge_id);

  impl.joinWithStateTransfer(local_addr, use_flush);
else
  impl.join(local_addr, use_flush);
return null;  // don't pass down: event has already been passed down
impl.leave(evt.getArg());
if(!(impl instanceof CoordGmsImpl)) {

  if(log.isFatalEnabled()) log.fatal("[CONNECT] local_addr is null");
try {
  impl.join(local_addr);
impl.leave((Address)evt.getArg());
if(!(impl instanceof CoordGmsImpl)) {

impl.handleViewChange(full_view, digest); // install the view locally first
down_prot.down(view_change_msg);
sendJoinResponses(jr, joiners);

  JoinRsp join_rsp=readJoinRsp(msg.getRawBuffer(), msg.getOffset(), msg.getLength());
  if(join_rsp != null)
    impl.handleJoinResponse(join_rsp);
  break;
case GmsHeader.LEAVE_REQ:
  break;
case GmsHeader.LEAVE_RSP:
  impl.handleLeaveResponse();
  break;
case GmsHeader.VIEW:
    impl.handleViewChange(new_view, tuple.getVal2());
    impl.handleViewChange(new_view, tuple.getVal2());
  Collection<? extends Address> mbrs=readMembers(msg.getRawBuffer(), msg.getOffset(), msg.getLength());
  if(mbrs != null)
    impl.handleMergeRequest(msg.getSrc(), hdr.merge_id, mbrs);
  break;
  log.trace("%s: got merge response from %s, merge_id=%s, merge data is %s",
       local_addr, msg.getSrc(), hdr.merge_id, merge_data);
  impl.handleMergeResponse(merge_data, hdr.merge_id);
  break;
  if(tuple == null)
    return null;
  impl.handleMergeView(new MergeData(msg.getSrc(), tuple.getVal1(), tuple.getVal2()), hdr.merge_id);

  impl.joinWithStateTransfer(local_addr, use_flush);
else
  impl.join(local_addr, use_flush);
return null;  // don't pass down: event has already been passed down
impl.leave(evt.getArg());
if(!(impl instanceof CoordGmsImpl)) {

impl.handleViewChange(full_view, digest); // install the view locally first
down_prot.down(view_change_msg);
sendJoinResponses(jr, joiners);

protected void process(Collection<Request> requests) {
  if(requests.isEmpty())
    return;
  Request firstReq=requests.iterator().next();
  switch(firstReq.type) {
    case Request.JOIN:
    case Request.JOIN_WITH_STATE_TRANSFER:
    case Request.LEAVE:
    case Request.SUSPECT:
      impl.handleMembershipChange(requests);
      break;
    case Request.MERGE:
      impl.merge(firstReq.views);
      break;
    default:
      log.error("request " + firstReq.type + " is unknown; discarded");
  }
}

public void init() throws Exception {
  super.init();
  leave_promise.reset();
}

  impl.handleMembershipChange(newMembers, oldMembers, suspectedMembers);
  break;
case Request.MERGE:
  if(requests.size() > 1)
    log.error("more than one MERGE request to process, ignoring the others");
  impl.merge(firstReq.coordinators);
  break;
case Request.VIEW:

public void init() throws Exception {
  merger=new Merger(this);
  if(view_ack_collection_timeout <= 0)
    throw new IllegalArgumentException("view_ack_collection_timeout has to be greater than 0");
  if(merge_timeout <= 0)
    throw new IllegalArgumentException("merge_timeout has to be greater than 0");
  prev_members=new BoundedList<>(num_prev_mbrs);
  prev_views=new BoundedList<>(num_prev_views);
  TP transport=getTransport();
  timer=transport.getTimer();
  if(timer == null)
    throw new Exception("timer is null");
  if(impl != null)
    impl.init();
  transport.registerProbeHandler(this);
}

public void init() throws Exception {
  super.init();
  join_promise.reset();
}

public void init() throws Exception {
  super.init();
  suspected_mbrs.removeAllElements();
  leave_promise.reset();
}

public void init() throws Exception {
  super.init();
  synchronized(initial_mbrs) {
    initial_mbrs.clear();
    initial_mbrs_received=false;
  }
  join_promise.reset();
}

public void init() throws Exception {
  super.init();
  cancelMerge();
}

public void init() throws Exception {
  super.init();
  leave_promise.reset();
}

public void init() throws Exception {
  prev_members=new BoundedList(num_prev_mbrs);
  timer=stack != null? stack.timer : null;
  if(timer == null)
    throw new Exception("GMS.init(): timer is null");
  if(impl != null)
    impl.init();
}