org.apache.flink.python.api.functions.util

Class NestedKeyDiscarder<IN>

java.lang.Object

org.apache.flink.python.api.functions.util.NestedKeyDiscarder<IN>

All Implemented Interfaces:

Serializable, Function, MapFunction<IN,Tuple2<byte[],byte[]>>

public class NestedKeyDiscarder<IN>
extends Object
implements MapFunction<IN,Tuple2<byte[],byte[]>>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NestedKeyDiscarder()

Method Summary

Modifier and Type	Method and Description
Tuple2<byte[],byte[]>	map(IN value) The mapping method.

Methods inherited from class java.lang.Object

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

Constructor Detail

NestedKeyDiscarder

public NestedKeyDiscarder()

Method Detail

map

public Tuple2<byte[],byte[]> map(IN value)
                          throws Exception

Description copied from interface: MapFunction

The mapping method. Takes an element from the input data set and transforms it into exactly one element.

Specified by:

map in interface MapFunction<IN,Tuple2<byte[],byte[]>>

Parameters:

value - The input value.

Returns:

The transformed value

Throws:

Exception - This method may throw exceptions. Throwing an exception will cause the operation to fail and may trigger recovery.