mondrian.calc
Interface IntegerCalc

All Superinterfaces:

Calc

All Known Implementing Classes:

AbstractIntegerCalc, AbstractVoidCalc, AggregateFunDef.AggregateCalc, CacheCalc, ConstantCalc, GenericCalc, MemberArrayValueCalc, MemberValueCalc, TupleValueCalc, ValueCalc

public interface IntegerCalc
extends Calc

Compiled expression whose result is an int.

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

Since:

Sep 27, 2005

Author:

jhyde

Method Summary

int	evaluateInteger(Evaluator evaluator) Evaluates this expression to yield an int value.

Methods inherited from interface mondrian.calc.Calc

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

Method Detail

evaluateInteger

int evaluateInteger(Evaluator evaluator)

Evaluates this expression to yield an int value. If the result is null, returns the special FunUtil.IntegerNull value.

Parameters:

evaluator - Evaluation context

Returns:

evaluation result