Package org.zkoss.pivot.impl.calc

Interface Summary

Interface	Description
Context<C extends Context<C>>	The context to hold intermediate result of an aggregation.
ContextFactory<C extends Context<C>>	The factory interface of Context creation.
ContextType<C extends Context<C>>	Hold information of the type of Context.
ContextualCalculator<C extends Context<C>>	The interface for Calculator that uses Context to compute an aggregation summary.
Summarizer<C extends Context<C>>	The interface for summarization from a Context, only used in StandardCalculator, for the convenience of polymorphism over its enum construction.

Class Summary

Class	Description
AverageSummarizer	The summarizer of StandardCalculator.AVERAGE.
CountNumberSummarizer	The summarizer of StandardCalculator.COUNT_NUMBER.
CountSummarizer	The summarizer of StandardCalculator.COUNT.
MaxSummarizer	The summarizer of StandardCalculator.MAX.
MinMaxContext	The context that keeps track of the MAX and MIN value of the items.
MinSummarizer	The summarizer of StandardCalculator.MIN.
Numbers	Utilities of arithmetic operations.
Numbers.MixedTypedNumber
ProductContext
ProductSummarizer	The summarizer of StandardCalculator.PRODUCT.
StandardDeviationPSummarizer	The summarizer of StandardCalculator.STD_DEV_P.
StandardDeviationSummarizer	The summarizer of StandardCalculator.STD_DEV.
SumCountContext	The most commonly used context including SUM, COUNT and COUNT_NUMBER aggregation.
SumOrCountSummarizer	The summarizer of StandardCalculator.SUM_OR_COUNT.
SumSummarizer	The summarizer of StandardCalculator.SUM.
VarianceContext	The context for calculating variance and standard deviation.
VariancePSummarizer	The summarizer of StandardCalculator.VARIANCE_P.
VarianceSummarizer	The summarizer of StandardCalculator.VARIANCE.