Package mondrian.calc.impl

Class AbstractTupleCalc

java.lang.Object

mondrian.calc.impl.AbstractCalc

mondrian.calc.impl.AbstractTupleCalc

All Implemented Interfaces:

Calc, TupleCalc

Direct Known Subclasses:

TupleFunDef.CalcImpl

public abstract class AbstractTupleCalc
extends AbstractCalc
implements TupleCalc

Abstract implementation of the TupleCalc interface.

The derived class must implement the TupleCalc.evaluateTuple(mondrian.olap.Evaluator) method, and the evaluate(mondrian.olap.Evaluator) method will call it.

Since:

Sep 27, 2005

Author:

jhyde

Field Summary

Fields inherited from class mondrian.calc.impl.AbstractCalc

exp, type

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractTupleCalc(Exp exp, Calc[] calcs)	Creates an AbstractTupleCalc.

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Evaluator evaluator)	Evaluates this expression.

Methods inherited from class mondrian.calc.impl.AbstractCalc

accept, anyDepends, anyDependsButFirst, butDepends, collectArguments, dependsOn, getArguments, getCalcs, getName, getResultStyle, getType, isWrapperFor, simplifyEvaluator, unwrap

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface mondrian.calc.Calc

accept, dependsOn, getResultStyle, getType, isWrapperFor, unwrap

Methods inherited from interface mondrian.calc.TupleCalc

evaluateTuple

Constructor Details

AbstractTupleCalc

protected AbstractTupleCalc(Exp exp,
 Calc[] calcs)

Creates an AbstractTupleCalc.

Parameters:

exp - Source expression

calcs - Child compiled expressions

Method Details

evaluate

public Object evaluate(Evaluator evaluator)

Description copied from interface: Calc

Evaluates this expression.

Specified by:

evaluate in interface Calc

Parameters:

evaluator - Provides dimensional context in which to evaluate this expression

Returns:

Result of expression evaluation