org.apache.flink.streaming.examples.iteration

Class IterateExample.Step

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.api.common.functions.RichMapFunction<Tuple2<Double,Integer>,Tuple2<Double,Integer>>

org.apache.flink.streaming.examples.iteration.IterateExample.Step

All Implemented Interfaces:

Serializable, Function, MapFunction<Tuple2<Double,Integer>,Tuple2<Double,Integer>>, RichFunction

Enclosing class:

IterateExample

public static class IterateExample.Step
extends RichMapFunction<Tuple2<Double,Integer>,Tuple2<Double,Integer>>

Iteration step function which takes an input (Double , Integer) and produces an output (Double + random, Integer + 1).

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IterateExample.Step()

Method Summary

Methods

Modifier and Type	Method and Description
Tuple2<Double,Integer>	map(Tuple2<Double,Integer> value)
void	open(Configuration parameters)

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

close, getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

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

Constructor Detail

IterateExample.Step

public IterateExample.Step()

Method Detail

open

public void open(Configuration parameters)

Specified by:

open in interface RichFunction

Overrides:

open in class AbstractRichFunction

map

public Tuple2<Double,Integer> map(Tuple2<Double,Integer> value)
                           throws Exception

Specified by:

map in interface MapFunction<Tuple2<Double,Integer>,Tuple2<Double,Integer>>

Specified by:

map in class RichMapFunction<Tuple2<Double,Integer>,Tuple2<Double,Integer>>

Throws:

Exception