org.apache.flink.state.api.output.partitioner

类 HashSelector<IN>

java.lang.Object

org.apache.flink.state.api.output.partitioner.HashSelector<IN>

类型参数:

IN - Type of objects to extract the key from.

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.java.functions.KeySelector<IN,Integer>

@Internal
public class HashSelector<IN>
extends Object
implements org.apache.flink.api.java.functions.KeySelector<IN,Integer>

A wrapper around a KeySelector that returns the Object.hashCode() of the returned key.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
HashSelector(org.apache.flink.api.java.functions.KeySelector<IN,?> keySelector)

方法概要

限定符和类型	方法和说明
Integer	getKey(IN value)

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

HashSelector

public HashSelector(org.apache.flink.api.java.functions.KeySelector<IN,?> keySelector)

方法详细资料

getKey

public Integer getKey(IN value)
               throws Exception

指定者:

getKey 在接口中 org.apache.flink.api.java.functions.KeySelector<IN,Integer>

抛出:

Exception