mondrian.calc.impl
Class AbstractLevelCalc

java.lang.Object
  extended by mondrian.calc.impl.AbstractCalc
      extended by 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
 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 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

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