com.dangdang.ddframe.rdb.sharding.merger.groupby.aggregation

接口 AggregationUnit

所有已知实现类:

AccumulationAggregationUnit, AverageAggregationUnit, ComparableAggregationUnit

public interface AggregationUnit

Aggregation unit interface.

作者:

gaohongtao

方法概要

方法

限定符和类型	方法和说明
Comparable<?>	getResult() Get aggregation result.
void	merge(List<Comparable<?>> values) merge aggregation values.

方法详细资料

merge

void merge(List<Comparable<?>> values)

merge aggregation values.

参数:

values - aggregation values

getResult

Comparable<?> getResult()

Get aggregation result.

返回:

aggregation result