mondrian.calc.impl
Class AbstractLevelCalc

java.lang.Object
  mondrian.calc.impl.AbstractCalc
      mondrian.calc.impl.AbstractLevelCalc

All Implemented Interfaces:

Calc, LevelCalc

Direct Known Subclasses:

MemberLevelFunDef.CalcImpl

public abstract class AbstractLevelCalc
extends AbstractCalc
implements LevelCalc

Abstract implementation of the LevelCalc interface.

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

Since:

Sep 26, 2005

Version:

$Id: //open/mondrian/src/main/mondrian/calc/impl/AbstractLevelCalc.java#4 $

Author:

jhyde

Field Summary

Fields inherited from class mondrian.calc.impl.AbstractCalc

exp, type

Constructor Summary

protected

AbstractLevelCalc(Exp exp, Calc[] calcs) Creates an AbstractLevelCalc.

Method Summary

java.lang.Object

evaluate(Evaluator evaluator) Evaluates this expression.

Methods inherited from class mondrian.calc.impl.AbstractCalc

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface mondrian.calc.LevelCalc

evaluateLevel

Methods inherited from interface mondrian.calc.Calc

accept, dependsOn, getResultStyle, getType

Constructor Detail

AbstractLevelCalc

protected AbstractLevelCalc(Exp exp,
                            Calc[] calcs)

Creates an AbstractLevelCalc.

Parameters:

exp - Source expression

calcs - Child compiled expressions

Method Detail

evaluate

public java.lang.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