Examples of mondrian.calc.TupleCalc.evaluateTuple()

mondrian.calc.TupleCalc.evaluateTuple()
Evaluates this expression to yield a tuple.
A tuple cannot contain any null members. If any of the members is null, this method must return a null. @post result == null || !tupleContainsNullMember(result) @param evaluator Evaluation context @return an array of members, or null to represent the null tuple

            final TupleCalc tupleCalc =
                    compiler.compileTuple(call.getArg(0));
            return new AbstractStringCalc(call, new Calc[] {tupleCalc}) {
                public String evaluateString(Evaluator evaluator) {
                    final Member[] members =
                            tupleCalc.evaluateTuple(evaluator);
                    if (members == null) {
                        return "";
                    }
                    StringBuilder buf = new StringBuilder();
                    SetToStrFunDef.appendTuple(buf, members);

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            return new AbstractBooleanCalc(
                call, new Calc[] {tupleCalc0, tupleCalc1})
            {
                public boolean evaluateBoolean(Evaluator evaluator) {
                    Member[] o0 = tupleCalc0.evaluateTuple(evaluator);
                    Member[] o1 = tupleCalc1.evaluateTuple(evaluator);
                    return equalTuple(o0, o1);
                }
            };
        default:
            assert category == call.getArg(1).getCategory();

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