org.apache.flink.storm.wordcount

Class WordCountTopology

java.lang.Object

org.apache.flink.storm.wordcount.WordCountTopology

public class WordCountTopology
extends Object

Implements the "WordCount" program that computes a simple word occurrence histogram over text files in a streaming fashion. The program is constructed as a regular StormTopology.

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

Usage: WordCount[Local|LocalByName|RemoteByClient|RemoteBySubmitter] <text path> <result path>
If no parameters are provided, the program is run with default data from WordCountData.

This example shows how to:

• how to construct a regular Storm topology as Flink program

Constructor Summary

Constructors

Constructor and Description
WordCountTopology()

Method Summary

Modifier and Type	Method and Description
static org.apache.storm.topology.TopologyBuilder	buildTopology()
static org.apache.storm.topology.TopologyBuilder	buildTopology(boolean indexOrName)

Methods inherited from class java.lang.Object

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

Constructor Detail

WordCountTopology

public WordCountTopology()

Method Detail

buildTopology

public static org.apache.storm.topology.TopologyBuilder buildTopology()

buildTopology

public static org.apache.storm.topology.TopologyBuilder buildTopology(boolean indexOrName)