Package mondrian.calc.impl

Class CacheCalc

java.lang.Object

mondrian.calc.impl.AbstractCalc

mondrian.calc.impl.GenericCalc

mondrian.calc.impl.CacheCalc

All Implemented Interfaces:

BooleanCalc, Calc, DateTimeCalc, DimensionCalc, DoubleCalc, HierarchyCalc, IntegerCalc, LevelCalc, MemberCalc, StringCalc, TupleCalc, VoidCalc

public class CacheCalc
extends GenericCalc

Calculation which retrieves the value of an underlying calculation from cache.

Since:

Oct 10, 2005

Author:

jhyde

Field Summary

Fields inherited from class mondrian.calc.impl.AbstractCalc

exp, type

Constructor Summary

Constructors

Constructor	Description
CacheCalc(Exp exp, ExpCacheDescriptor key)

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Evaluator evaluator)	Evaluates this expression.
Calc[]	getCalcs()	Returns this expression's child expressions.

Methods inherited from class mondrian.calc.impl.GenericCalc

evaluateBoolean, evaluateDateTime, evaluateDimension, evaluateDouble, evaluateHierarchy, evaluateInteger, evaluateLevel, evaluateMember, evaluateString, evaluateTuple, evaluateVoid, numberToDouble

Methods inherited from class mondrian.calc.impl.AbstractCalc

accept, anyDepends, anyDependsButFirst, butDepends, collectArguments, dependsOn, getArguments, 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

Constructor Detail

CacheCalc

public CacheCalc(Exp exp,
                 ExpCacheDescriptor key)

Method Detail

evaluate

public Object evaluate(Evaluator evaluator)

Description copied from interface: Calc

Evaluates this expression.

Parameters:

evaluator - Provides dimensional context in which to evaluate this expression

Returns:

Result of expression evaluation

getCalcs

public Calc[] getCalcs()

Description copied from class: AbstractCalc

Returns this expression's child expressions.

Overrides:

getCalcs in class AbstractCalc