private void initProducerConsumerLists(){
  consumerList.clear();
  producerList.clear();
  for (int i=0; i < dataTable.getLogicalColumnCount(); i++) {
    addColumnAttribute(i,consumerList);
    addColumnAttribute(i,producerList);
  }
}

private void initProducerConsumerLists ( ) { consumerList . clear ( ) ; producerList . clear ( ) ; for ( int i = 0 ; i < dataTable . getLogicalColumnCount ( ) ; i ++ ) { addColumnAttribute ( i , consumerList ) ; addColumnAttribute ( i , producerList ) ; } }
initialize the producer and consumer lists .
