mondrian.calc
Interface DimensionCalc

All Superinterfaces:

Calc

All Known Implementing Classes:

AbstractDimensionCalc, AbstractVoidCalc, AggregateFunDef.AggregateCalc, CacheCalc, ConstantCalc, GenericCalc, HierarchyDimensionFunDef.CalcImpl, MemberArrayValueCalc, MemberValueCalc, TupleValueCalc, ValueCalc

public interface DimensionCalc
extends Calc

Expression which yields a Dimension.

When implementing this interface, it is convenient to extend AbstractDimensionCalc, but it is not required.

Since:

Sep 26, 2005

Author:

jhyde

Method Summary

Dimension

evaluateDimension(Evaluator evaluator) Evaluates this expression to yield a dimension.

Methods inherited from interface mondrian.calc.Calc

accept, dependsOn, evaluate, getResultStyle, getType, isWrapperFor, unwrap

Method Detail

evaluateDimension

Dimension evaluateDimension(Evaluator evaluator)

Evaluates this expression to yield a dimension.

Never returns null.

Parameters:

evaluator - Evaluation context

Returns:

a dimension