Package mondrian.calc.impl

Class AbstractHierarchyCalc

java.lang.Object

mondrian.calc.impl.AbstractCalc

mondrian.calc.impl.AbstractHierarchyCalc

All Implemented Interfaces:

Calc, HierarchyCalc

Direct Known Subclasses:

LevelHierarchyFunDef.CalcImpl, MemberHierarchyFunDef.CalcImpl

public abstract class AbstractHierarchyCalc
extends AbstractCalc
implements HierarchyCalc

Abstract implementation of the HierarchyCalc interface.

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

Since:

Sep 26, 2005

Author:

jhyde

Field Summary

Fields inherited from class mondrian.calc.impl.AbstractCalc

exp, type

Constructor Summary

Constructors

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

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.HierarchyCalc

evaluateHierarchy

Constructor Details

AbstractHierarchyCalc

protected AbstractHierarchyCalc(Exp exp,
 Calc[] calcs)

Creates an AbstractHierarchyCalc.

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