@Override
public void memberAdded(Member member) {
//notify upwards
for (int i=0; i<membershipListeners.size(); i++ ) {
MembershipListener membershipListener = (MembershipListener)membershipListeners.get(i);
if (membershipListener != null) membershipListener.memberAdded(member);
}
}
/**
* memberDisappeared gets invoked by the interceptor below the channel