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

Class HashSelector<IN>

java.lang.Object

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

Type Parameters:

IN - Type of objects to extract the key from.

All Implemented Interfaces:

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.

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
Integer	getKey(IN value)

Methods inherited from class java.lang.Object

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

Constructor Detail

HashSelector

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

Method Detail

getKey

public Integer getKey(IN value)
               throws Exception

Specified by:

getKey in interface org.apache.flink.api.java.functions.KeySelector<IN,Integer>

Throws:

Exception