org.apache.flink.api.java.summarize.aggregation

类 SummaryAggregatorFactory

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.SummaryAggregatorFactory

@Internal
public class SummaryAggregatorFactory
extends Object

Factory for creating Summary Aggregators.

构造器概要

构造器

构造器和说明
SummaryAggregatorFactory()

方法概要

限定符和类型	方法和说明
static <T,R> Aggregator<T,R>	create(Class<T> type) Create a SummaryAggregator for the supplied type.
static <R extends org.apache.flink.api.java.tuple.Tuple> TupleSummaryAggregator<R>	create(org.apache.flink.api.java.typeutils.TupleTypeInfoBase<?> inType)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SummaryAggregatorFactory

public SummaryAggregatorFactory()

方法详细资料

create

public static <R extends org.apache.flink.api.java.tuple.Tuple> TupleSummaryAggregator<R> create(org.apache.flink.api.java.typeutils.TupleTypeInfoBase<?> inType)

create

public static <T,R> Aggregator<T,R> create(Class<T> type)

Create a SummaryAggregator for the supplied type.

类型参数:

T - the type to aggregate

R - the result type of the aggregation