Examples with Calc mondrian.calc.Calc used on opensource projects

Example 1 with Calc

use of mondrian.calc.Calc in project mondrian by pentaho.

the class CaseMatchFunDef method compileCall.

public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
    final Exp[] args = call.getArgs();
    final List<Calc> calcList = new ArrayList<Calc>();
    final Calc valueCalc = compiler.compileScalar(args[0], true);
    calcList.add(valueCalc);
    final int matchCount = (args.length - 1) / 2;
    final Calc[] matchCalcs = new Calc[matchCount];
    final Calc[] exprCalcs = new Calc[matchCount];
    for (int i = 0, j = 1; i < exprCalcs.length; i++) {
        matchCalcs[i] = compiler.compileScalar(args[j++], true);
        calcList.add(matchCalcs[i]);
        exprCalcs[i] = compiler.compile(args[j++]);
        calcList.add(exprCalcs[i]);
    }
    final Calc defaultCalc = args.length % 2 == 0 ? compiler.compile(args[args.length - 1]) : ConstantCalc.constantNull(call.getType());
    calcList.add(defaultCalc);
    final Calc[] calcs = calcList.toArray(new Calc[calcList.size()]);
    return new GenericCalc(call) {

        public Object evaluate(Evaluator evaluator) {
            Object value = valueCalc.evaluate(evaluator);
            for (int i = 0; i < matchCalcs.length; i++) {
                Object match = matchCalcs[i].evaluate(evaluator);
                if (match.equals(value)) {
                    return exprCalcs[i].evaluate(evaluator);
                }
            }
            return defaultCalc.evaluate(evaluator);
        }

        public Calc[] getCalcs() {
            return calcs;
        }
    };
}

Example 2 with Calc

use of mondrian.calc.Calc in project mondrian by pentaho.

the class CoalesceEmptyFunDef method compileCall.

public Calc compileCall(ResolvedFunCall call, ExpCompiler compiler) {
    final Exp[] args = call.getArgs();
    final Calc[] calcs = new Calc[args.length];
    for (int i = 0; i < args.length; i++) {
        calcs[i] = compiler.compileScalar(args[i], true);
    }
    return new GenericCalc(call) {

        public Object evaluate(Evaluator evaluator) {
            for (Calc calc : calcs) {
                final Object o = calc.evaluate(evaluator);
                if (o != null) {
                    return o;
                }
            }
            return null;
        }

        public Calc[] getCalcs() {
            return calcs;
        }
    };
}

Example 3 with Calc

use of mondrian.calc.Calc in project mondrian by pentaho.

the class RolapEvaluator method evaluateCurrent.

public final Object evaluateCurrent() {
    // Get the member in the current context which is (a) calculated, and
    // (b) has the highest solve order. If there are no calculated members,
    // go ahead and compute the cell.
    RolapCalculation maxSolveMember;
    switch(calculationCount) {
        case 0:
            final Object o = cellReader.get(this);
            if (o == Util.nullValue) {
                return null;
            }
            return o;
        case 1:
            maxSolveMember = calculations[0];
            break;
        default:
            switch(root.solveOrderMode) {
                case ABSOLUTE:
                    maxSolveMember = getAbsoluteMaxSolveOrder();
                    break;
                case SCOPED:
                    maxSolveMember = getScopedMaxSolveOrder();
                    break;
                default:
                    throw Util.unexpected(root.solveOrderMode);
            }
    }
    final int savepoint = savepoint();
    maxSolveMember.setContextIn(this);
    final Calc calc = maxSolveMember.getCompiledExpression(root);
    final Object o;
    try {
        o = calc.evaluate(this);
    } finally {
        restore(savepoint);
    }
    if (o == Util.nullValue) {
        return null;
    }
    return o;
}

Example 4 with Calc

use of mondrian.calc.Calc in project mondrian by pentaho.

the class ScenarioImpl method forMember.

/**
 * Returns the scenario inside a calculated member in the scenario
 * dimension. For example, applied to [Scenario].[1], returns the Scenario
 * object representing scenario #1.
 *
 * @param member Wrapper member
 * @return Wrapped scenario
 */
static Scenario forMember(final RolapMember member) {
    if (isScenario(member.getHierarchy())) {
        final Formula formula = ((RolapCalculatedMember) member).getFormula();
        final ResolvedFunCall resolvedFunCall = (ResolvedFunCall) formula.getExpression();
        final Calc calc = resolvedFunCall.getFunDef().compileCall(null, null);
        return ((ScenarioCalc) calc).getScenario();
    } else {
        return null;
    }
}

Example 5 with Calc

use of mondrian.calc.Calc in project mondrian by pentaho.

the class IifFunDefTest method testGetResultType.

public void testGetResultType() {
    ResultStyle actualResStyle = null;
    ResultStyle expectedResStyle = setListCalc.getResultStyle();
    // Compile calculation for IIf function for (<Logical Expression>, <SetType>, <SetType>) params
    Calc calc = IifFunDef.SET_INSTANCE.compileCall(call, compilerMock);
    try {
        actualResStyle = calc.getResultStyle();
    } catch (Exception e) {
        fail("Should not have thrown any exception.");
    }
    assertNotNull(actualResStyle);
    assertEquals(expectedResStyle, actualResStyle);
}