org.apache.flink.streaming.examples.iteration

Class IterateExample

java.lang.Object

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

public class IterateExample
extends Object

Example illustrating iterations in Flink streaming.

The program sums up random numbers and counts additions it performs to reach a specific threshold in an iterative streaming fashion.

This example shows how to use:

• streaming iterations,
• buffer timeout to enhance latency,
• directed outputs.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IterateExample.MySelector OutputSelector testing which tuple needs to be iterated again.
static class	IterateExample.Step Iteration step function which takes an input (Double , Integer) and produces an output (Double + random, Integer + 1).

Constructor Summary

Constructors

Constructor and Description
IterateExample()

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

IterateExample

public IterateExample()

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception