接口的使用
org.apache.flink.api.java.aggregation.AggregationFunctionFactory

使用AggregationFunctionFactory的程序包

程序包	说明
org.apache.flink.api.java.aggregation

org.apache.flink.api.java.aggregation中AggregationFunctionFactory的使用

实现AggregationFunctionFactory的org.apache.flink.api.java.aggregation中的类

限定符和类型	类和说明
static class	MaxAggregationFunction.MaxAggregationFunctionFactory Factory for MaxAggregationFunction.
static class	MinAggregationFunction.MinAggregationFunctionFactory Factory for MinAggregationFunction.
static class	SumAggregationFunction.SumAggregationFunctionFactory Factory for SumAggregationFunction.

返回AggregationFunctionFactory的org.apache.flink.api.java.aggregation中的方法

限定符和类型	方法和说明
AggregationFunctionFactory	Aggregations.getFactory()