org.zkoss.pivot.impl.calc
Interface ContextualCalculator<C extends Context<C>>

All Superinterfaces:

Calculator

All Known Implementing Classes:

AbstractCalculator, StandardCalculator

public interface ContextualCalculator<C extends Context<C>>
extends Calculator

The interface for Calculator that uses Context to compute an aggregation summary.

Author:

simonpai

Method Summary

ContextType<C>	getContextType() Get the ContextType.
java.lang.Number	getResult(C context) Retrieve the aggregation result from the context.

Methods inherited from interface org.zkoss.pivot.Calculator

getLabel, getLabelKey

Method Detail

getResult

java.lang.Number getResult(C context)

Retrieve the aggregation result from the context.

getContextType

ContextType<C> getContextType()

Get the ContextType.