void close(ClientSocket stream){
  if (log.isLoggable(Level.FINER))   log.finer("close " + stream);
  _activeCount.decrementAndGet();
}

void close ( ClientSocket stream ) { if ( log . isLoggable ( Level . FINER ) ) log . finer ( "close " + stream ) ; _activeCount . decrementAndGet ( ) ; }
closes the read / write pair for reuse . called only from clusterstream . close ( ) .
