boon/src/main/java/org/boon/datarepo/impl/FilterDefault.java
private void applyGroups( Set<Criteria> expressionSet, ResultSetInternal resultSet ) {

        if ( expressionSet.size() == 0 ) {
            return;
        }


        for ( Criteria expression : expressionSet ) {

            if ( expression instanceof Group ) {
                doFilterGroup( ( Group ) expression, resultSet );
            }
        }
    }
private void applyGroups( Set<Criteria> expressionSet, ResultSetInternal resultSet ) {

        if ( expressionSet.size() == 0 ) {
            return;
        }


        for ( Criteria expression : expressionSet ) {

            if ( expression instanceof Group ) {
                doFilterGroup( ( Group ) expression, resultSet );
            }
        }
    }
}