org.apache.flink.storm.wordcount

Class BoltTokenizerWordCountWithNames

java.lang.Object

org.apache.flink.storm.wordcount.BoltTokenizerWordCountWithNames

public class BoltTokenizerWordCountWithNames
extends Object

Implements the "WordCount" program that computes a simple word occurrence histogram over text files in a streaming fashion. The tokenizer step is performed by a Bolt. In contrast to BoltTokenizerWordCount the tokenizer's input is a Tuple type and the single field is accessed by name.

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

Usage: WordCount <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 access attributes by name within a Bolt for Tuple type input streams

Constructor Summary

Constructors

Constructor and Description
BoltTokenizerWordCountWithNames()

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

BoltTokenizerWordCountWithNames

public BoltTokenizerWordCountWithNames()

Method Detail

main

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

Throws:

Exception