org.apache.flink.streaming.util.keys

Class KeySelectorUtil.ArrayKeySelector<IN>

java.lang.Object

org.apache.flink.streaming.util.keys.KeySelectorUtil.ArrayKeySelector<IN>

All Implemented Interfaces:

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

Enclosing class:

KeySelectorUtil

public static class KeySelectorUtil.ArrayKeySelector<IN>
extends Object
implements org.apache.flink.api.java.functions.KeySelector<IN,org.apache.flink.api.java.tuple.Tuple>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ArrayKeySelector(int... fields)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.api.java.tuple.Tuple	getKey(IN value)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayKeySelector

public ArrayKeySelector(int... fields)

Method Detail

getKey

public org.apache.flink.api.java.tuple.Tuple getKey(IN value)
                                             throws Exception

Specified by:

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

Throws:

Exception