TwoKeyExtractingMapper (flink-java 1.0.2-hadoop1 API)

java.lang.Object
- org.apache.flink.api.common.functions.AbstractRichFunction
- - org.apache.flink.api.common.functions.RichMapFunction<T,org.apache.flink.api.java.tuple.Tuple3<K1,K2,T>>
  - - org.apache.flink.api.java.operators.translation.TwoKeyExtractingMapper<T,K1,K2>

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.MapFunction<T,org.apache.flink.api.java.tuple.Tuple3<K1,K2,T>>, org.apache.flink.api.common.functions.RichFunction
```
@Internal
public final class TwoKeyExtractingMapper<T,K1,K2>
extends org.apache.flink.api.common.functions.RichMapFunction<T,org.apache.flink.api.java.tuple.Tuple3<K1,K2,T>>
```
See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description
`TwoKeyExtractingMapper(org.apache.flink.api.java.functions.KeySelector<T,K1> keySelector1, org.apache.flink.api.java.functions.KeySelector<T,K2> keySelector2)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method and Description

org.apache.flink.api.java.tuple.Tuple3<K1,K2,T> map(T value)
- Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction
  close, getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`org.apache.flink.api.java.tuple.Tuple3<K1,K2,T>`	`map(T value)`

Constructor Detail

TwoKeyExtractingMapper

public TwoKeyExtractingMapper(org.apache.flink.api.java.functions.KeySelector<T,K1> keySelector1,
                              org.apache.flink.api.java.functions.KeySelector<T,K2> keySelector2)

Method Detail
- map
```
public org.apache.flink.api.java.tuple.Tuple3<K1,K2,T> map(T value)
                                                    throws Exception
```
  Specified by:
  
  map in interface org.apache.flink.api.common.functions.MapFunction<T,org.apache.flink.api.java.tuple.Tuple3<K1,K2,T>>
  
  Specified by:
  
  map in class org.apache.flink.api.common.functions.RichMapFunction<T,org.apache.flink.api.java.tuple.Tuple3<K1,K2,T>>
  
  Throws:
  
  Exception

Class TwoKeyExtractingMapper<T,K1,K2>

Constructor Summary

Method Summary

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

Methods inherited from class java.lang.Object

Constructor Detail

TwoKeyExtractingMapper

Method Detail

map