private void addRegistrationReq(SocketChannel sockCh){
  offerBalanced(new NioOperationFuture(sockCh));
}

private void addRegistrationReq ( SocketChannel sockCh ) { offerBalanced ( new NioOperationFuture ( sockCh ) ) ; }
adds registration request for a given socket channel to the next selector . next selector is selected according to a round - robin algorithm .
