Package org.apache.flink.streaming.util.keys

Class KeySelectorUtil.OneKeySelector<IN,K>

java.lang.Object

org.apache.flink.streaming.util.keys.KeySelectorUtil.OneKeySelector<IN,K>

Type Parameters:

IN - The type of the elements where the key is extracted from.

K - The type of the key.

All Implemented Interfaces:

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

Enclosing class:

KeySelectorUtil

public static final class KeySelectorUtil.OneKeySelector<IN,K>
extends Object
implements org.apache.flink.api.java.functions.KeySelector<IN,K>

Key extractor that extracts a single field via a generic comparator.

See Also:

• Serialized Form

Method Summary

Modifier and Type	Method	Description
K	getKey(IN value)

Methods inherited from class java.lang.Object

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

Method Details

getKey

public K getKey(IN value)
         throws Exception

Specified by:

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

Throws:

Exception