public void assertNotJoined(final UUID serviceId){
  m_triggers.add(new QuorumEventInvariant(QuorumEventEnum.SERVICE_JOIN,serviceId));
  if (isMember(m_quorum.getJoined(),serviceId))   broken();
}

public void assertNotJoined ( final UUID serviceId ) { m_triggers . add ( new QuorumEventInvariant ( QuorumEventEnum . SERVICE_JOIN , serviceId ) ) ; if ( isMember ( m_quorum . getJoined ( ) , serviceId ) ) broken ( ) ; }
establish an invariant that the specified service is a not joined with the met quorum .
