// @Override
public override GroupedQueryBuilder applyFilter(FilterItem filter)
{
if (_parentOrFilter == null)
{
_query.where (filter);
}
else
{
if (_parentOrFilter.getChildItemCount() == 1)
{
_query.getWhereClause().removeItem(_orFilters[0]);
_query.getWhereClause().addItem(_parentOrFilter);
}
}
_orFilters.add(filter);
return(this);
}