public void addChildren( PlanNode first,
                             PlanNode second,
                             PlanNode third ) {
        if (first != null) this.addLastChild(first);
        if (second != null) this.addLastChild(second);
        if (third != null) this.addLastChild(third);
    }
public void addChildren ( PlanNode first , PlanNode second , PlanNode third ) { if ( first != null ) this . addLastChild ( first ) ; if ( second != null ) this . addLastChild ( second ) ; if ( third != null ) this . addLastChild ( third ) ; }
Add the supplied nodes at the end of the list of children.

@param first the first child to add
@param second the second child to add
@param third the third child to add