Package mondrian.calc.impl

Class AbstractDoubleCalc

java.lang.Object

mondrian.calc.impl.AbstractCalc

mondrian.calc.impl.AbstractDoubleCalc

All Implemented Interfaces:

Calc, DoubleCalc

public abstract class AbstractDoubleCalc
extends AbstractCalc
implements DoubleCalc

Abstract implementation of the DoubleCalc interface.

The derived class must implement the DoubleCalc.evaluateDouble(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	AbstractDoubleCalc(Exp exp, Calc[] calcs)	Creates an AbstractDoubleCalc.

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.DoubleCalc

evaluateDouble

Constructor Details

AbstractDoubleCalc

protected AbstractDoubleCalc(Exp exp,
 Calc[] calcs)

Creates an AbstractDoubleCalc.

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