gms.getMerger().setMergeId(null, busy_merge_id);
}
protected void cancelMerge(Address mbr) {
GMS gms=(GMS)findChannel(mbr).getProtocolStack().findProtocol(GMS.class);
gms.cancelMerge();
}
protected JChannel findChannel(Address mbr) {
for(JChannel ch: Arrays.asList(a,b,c,d,e,f)) {
if(ch.getAddress().equals(mbr))