org.apache.flink.streaming.examples.wordcount

类 WordCount

java.lang.Object

org.apache.flink.streaming.examples.wordcount.WordCount

public class WordCount
extends Object

Implements the "WordCount" program that computes a simple word occurrence histogram over text files in a streaming fashion.

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

Usage: WordCount --input <path> --output <path>
If no parameters are provided, the program is run with default data from WordCountData.

This example shows how to:

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

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	WordCount.Tokenizer Implements the string tokenizer that splits sentences into words as a user-defined FlatMapFunction.

构造器概要

构造器

构造器和说明
WordCount()

方法概要

限定符和类型	方法和说明
static void	main(String[] args)

从类继承的方法 java.lang.Object

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

构造器详细资料

WordCount

public WordCount()

方法详细资料

main

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

抛出:

Exception