org.apache.flink.streaming.examples.windowing

Class StockPrices

java.lang.Object

org.apache.flink.streaming.examples.windowing.StockPrices

public class StockPrices
extends Object

This example showcases a moderately complex Flink Streaming pipeline. It to computes statistics on stock market data that arrive continuously, and combines the stock market data with tweet streams. For a detailed explanation of the job, check out the blog post unrolling it. To run the example make sure that the service providing the text data is already up and running.

To start an example socket text stream on your local machine run netcat from a command line: nc -lk 9999, where the parameter specifies the port number.

Usage: StockPrices <hostname> <port> <result path>

This example shows how to:

• merge and join data streams,
• use different windowing policies,
• define windowing aggregations.

See Also:

netcat, blogpost

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StockPrices.Count
static class	StockPrices.SendWarning
static class	StockPrices.StockPrice
static class	StockPrices.StockSource
static class	StockPrices.TweetSource
static class	StockPrices.WindowCorrelation
static class	StockPrices.WindowMean

Constructor Summary

Constructors

Constructor and Description
StockPrices()

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

StockPrices

public StockPrices()

Method Detail

main

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

Throws:

Exception