com.github.paganini2008.devtools.beans.streaming

接口 Summary<E>

所有已知子接口:

Group<E>

所有已知实现类:

Grouper.GroupImpl

public interface Summary<E>

Summary

从以下版本开始:

2.0.1

作者:

Fred Feng

方法概要

限定符和类型	方法和说明
default BigDecimal	avg(String attributeName)
default BigDecimal	avg(String attributeName, int scale, RoundingMode roundingMode)
default <T extends Comparable<T>> T	max(String attributeName, Class<T> requiredType)
default <T extends Comparable<T>> T	min(String attributeName, Class<T> requiredType)
default BigDecimal	sum(String attributeName)
<T> T	summarize(Calculation<E,T> calculation)

方法详细资料

summarize

<T> T summarize(Calculation<E,T> calculation)

min

default <T extends Comparable<T>> T min(String attributeName,
                                        Class<T> requiredType)

max

default <T extends Comparable<T>> T max(String attributeName,
                                        Class<T> requiredType)

sum

default BigDecimal sum(String attributeName)

avg

default BigDecimal avg(String attributeName)

avg

default BigDecimal avg(String attributeName,
                       int scale,
                       RoundingMode roundingMode)