org.apache.flink.streaming.examples.twitter

Class TwitterStream

java.lang.Object

org.apache.flink.streaming.examples.twitter.TwitterStream

public class TwitterStream
extends Object

Implements the "TwitterStream" program that computes a most used word occurrence histogram over JSON files in a streaming fashion.

The input is a JSON text file with lines separated by newline characters.

Usage: TwitterStream <text path>
If no parameters are provided, the program is run with default data from TwitterStreamData.

This example shows how to:

• write a simple Flink Streaming program.
• use Tuple data types.
• write and use user-defined functions.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TwitterStream.SelectEnglishAndTokenizeFlatMap Make sentence from english tweets.
static class	TwitterStream.SelectMaxOccurence Implements a user-defined FlatMapFunction that check if the word's current occurence is higher than the maximum occurence.

Constructor Summary

Constructors

Constructor and Description
TwitterStream()

Method Summary

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

TwitterStream

public TwitterStream()

Method Detail

main

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

Throws:

Exception