Package mondrian.olap.type

Examples of mondrian.olap.type.Type

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                "Levels",
                "Returns the level whose position in a hierarchy is specified by a numeric expression.",
                "mlhn")
        {
            public Type getResultType(Validator validator, Exp[] args) {
                final Type argType = args[0].getType();
                return LevelType.forType(argType);
            }

            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler)
            {
                final HierarchyCalc hierarchyCalc =
                        compiler.compileHierarchy(call.getArg(0));
                final IntegerCalc ordinalCalc =
                        compiler.compileInteger(call.getArg(1));
                return new AbstractLevelCalc(
                    call, new Calc[] {hierarchyCalc, ordinalCalc})
                {
                    public Level evaluateLevel(Evaluator evaluator) {
                        Hierarchy hierarchy =
                                hierarchyCalc.evaluateHierarchy(evaluator);
                        int ordinal = ordinalCalc.evaluateInteger(evaluator);
                        return nthLevel(hierarchy, ordinal);
                    }
                };
            }

            Level nthLevel(Hierarchy hierarchy, int n) {
                Level[] levels = hierarchy.getLevels();

                if (n >= levels.length || n < 0) {
                    throw newEvalException(
                        this, "Index '" + n + "' out of bounds");
                }
                return levels[n];
            }
        });

        // "<Hierarchy>.Levels(<String Expression>)"
        builder.define(
            new FunDefBase(
                "Levels",
                "Returns the level whose name is specified by a string expression.",
                "mlhS")
        {
            public Type getResultType(Validator validator, Exp[] args) {
                final Type argType = args[0].getType();
                return LevelType.forType(argType);
            }

            public Calc compileCall(
                final ResolvedFunCall call, ExpCompiler compiler)
            {
                final HierarchyCalc hierarchyCalc =
                    compiler.compileHierarchy(call.getArg(0));
                final StringCalc nameCalc =
                    compiler.compileString(call.getArg(1));
                return new AbstractLevelCalc(
                    call, new Calc[] {hierarchyCalc, nameCalc}) {
                    public Level evaluateLevel(Evaluator evaluator) {
                        Hierarchy hierarchy =
                            hierarchyCalc.evaluateHierarchy(evaluator);
                        String name = nameCalc.evaluateString(evaluator);
                        for (Level level : hierarchy.getLevels()) {
                            if (level.getName().equals(name)) {
                                return level;
                            }
                        }
                        throw newEvalException(
                            call.getFunDef(),
                            "Level '" + name + "' not found in hierarchy '"
                                + hierarchy + "'");
                    }
                };
            }
        });

        // "Levels(<String Expression>)"
        builder.define(
            new FunDefBase(
                "Levels",
                "Returns the level whose name is specified by a string expression.",
                "flS")
        {
            public Type getResultType(Validator validator, Exp[] args) {
                final Type argType = args[0].getType();
                return LevelType.forType(argType);
            }
            public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler)
            {
                final StringCalc stringCalc =
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    private MemberLevelFunDef() {
        super("Level", "Returns a member's level.", "plm");
    }

    public Type getResultType(Validator validator, Exp[] args) {
        final Type argType = args[0].getType();
        return LevelType.forType(argType);
    }
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    }

    public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
        final MemberCalc memberCalc =
            compiler.compileMember(call.getArg(0));
        final Type type1 = call.getArg(1).getType();
        if (type1 instanceof LevelType) {
            final LevelCalc levelCalc =
                compiler.compileLevel(call.getArg(1));
            return new AbstractListCalc(
                call, new Calc[] {memberCalc, levelCalc})
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        // It's OK for the description to be null.
        //final String description = udf.getDescription();

        final Type[] parameterTypes = udf.getParameterTypes();
        for (int i = 0; i < parameterTypes.length; i++) {
            Type parameterType = parameterTypes[i];
            if (parameterType == null) {
                throw Util.newInternal(
                    "Invalid user-defined function '" + udfName
                    + "': parameter type #" + i + " is null");
            }
        }

        // It's OK for the reserved words to be null or empty.
        //final String[] reservedWords = udf.getReservedWords();

        // Test that the function returns a sensible type when given the FORMAL
        // types. It may still fail when we give it the ACTUAL types, but it's
        // impossible to check that now.
        final Type returnType = udf.getReturnType(parameterTypes);
        if (returnType == null) {
            throw Util.newInternal(
                "Invalid user-defined function '" + udfName
                + "': return type is null");
        }
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            if (args.length != 1) {
                return null;
            }
            final Exp exp = args[0];
            final int category = exp.getCategory();
            final Type type = exp.getType();
            return new CacheFunDef(
                NAME, SIGNATURE, DESCRIPTION, SYNTAX,
                category, type);
        }
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     *     dimensions in a virtual cube
     */
    public MemberValueCalc(Exp exp, MemberCalc memberCalc, boolean nullCheck) {
        super(exp);
        this.nullCheck = nullCheck;
        final Type type = exp.getType();
        assert type instanceof ScalarType : exp;
        this.memberCalc = memberCalc;
    }
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                stack.pop();
            }
        }

        if (scalar) {
            final Type type = resolved.getType();
            if (!TypeUtil.canEvaluate(type)) {
                String exprString = Util.unparse(resolved);
                throw MondrianResource.instance().MdxMemberExpIsSet.ex(
                    exprString);
            }
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        if (!predFirstArgFun.getName().equals("CurrentMember")) {
            return null;
        }

        Exp currentMemberArg = predFirstArgCall.getArg(0);
        Type currentMemberArgType = currentMemberArg.getType();

        // Input to CurremntMember should be either Dimension or Hierarchy type.
        if (!(currentMemberArgType
            instanceof mondrian.olap.type.DimensionType
            || currentMemberArgType instanceof HierarchyType))
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     *     dimensions in a virtual cube
     */
    MemberArrayValueCalc(Exp exp, MemberCalc[] memberCalcs, boolean nullCheck) {
        super(exp);
        this.nullCheck = nullCheck;
        final Type type = exp.getType();
        assert type instanceof ScalarType : exp;
        this.memberCalcs = memberCalcs;
        this.members = new Member[memberCalcs.length];
    }
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Related Classes of mondrian.olap.type.Type

  • mondrian.calc.impl.MemberArrayValueCalc
  • mondrian.calc.impl.MemberValueCalc
  • mondrian.olap.fun.AddCalculatedMembersFunDef$ResolverImpl
  • mondrian.olap.fun.AncestorFunDef
  • mondrian.olap.fun.AncestorsFunDef
  • mondrian.olap.fun.BuiltinFunTable
  • mondrian.olap.fun.CacheFunDef$CacheFunResolver
  • mondrian.olap.fun.CastFunDef
  • mondrian.olap.fun.GlobalFunTable
  • mondrian.olap.fun.LastPeriodsFunDef
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