public void addCondition(DataTableFilterCondition condition){
  if (condition == null) {
    return;
  }
  conditionStack.add(condition);
  setSelectedIndices(updateSelection());
  informDataTableFilteredListener();
}

public void addCondition ( DataTableFilterCondition condition ) { if ( condition == null ) { return ; } conditionStack . add ( condition ) ; setSelectedIndices ( updateSelection ( ) ) ; informDataTableFilteredListener ( ) ; }
adds a new condition . null arguments will be ignored .
