code: public boolean isHeadMember() {
  		final Address localAddress = getLocalAddress();
  		if (localAddress != null) {
  			final List<Address> clusterMembers = getClusterMembers();
  			return !clusterMembers.isEmpty() && clusterMembers.get(0).equals(localAddress);
  		}
  		else {
  			return true;
  		}
  	}
docs: /* (non-Javadoc)
  @see MobicentsCluster#isHeadMember()