org.apache.flink.hadoopcompatibility.mapreduce.example

Class WordCount

java.lang.Object

org.apache.flink.hadoopcompatibility.mapreduce.example.WordCount

public class WordCount
extends Object

Implements a word count which takes the input file and counts the number of occurrences of each word in the file and writes the result back to disk. This example shows how to use Hadoop Input Formats, how to convert Hadoop Writables to common Java types for better usage in a Flink job and how to use Hadoop Output Formats.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WordCount.HadoopDatatypeMapper Converts Java data types to Hadoop Writables.
static class	WordCount.Tokenizer Splits a line into words and converts Hadoop Writables into normal Java data types.

Constructor Summary

Constructors

Constructor and Description
WordCount()

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

WordCount

public WordCount()

Method Detail

main

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

Throws:

Exception