Package org.apache.flink.streaming.examples.wordcount

Class WordCount.Tokenizer

java.lang.Object

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

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.FlatMapFunction<String,org.apache.flink.api.java.tuple.Tuple2<String,Integer>>, org.apache.flink.api.common.functions.Function

Enclosing class:

WordCount

public static final class WordCount.Tokenizer
extends Object
implements org.apache.flink.api.common.functions.FlatMapFunction<String,org.apache.flink.api.java.tuple.Tuple2<String,Integer>>

Implements the string tokenizer that splits sentences into words as a user-defined FlatMapFunction. The function takes a line (String) and splits it into multiple pairs in the form of "(word,1)" (Tuple2<String, Integer>).

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Tokenizer()

Method Summary

Modifier and Type	Method	Description
void	flatMap(String value, org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<String,Integer>> out)

Methods inherited from class java.lang.Object

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

Constructor Details

Tokenizer

public Tokenizer()

Method Details

flatMap

public void flatMap(String value,
 org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<String,Integer>> out)

Specified by:

flatMap in interface org.apache.flink.api.common.functions.FlatMapFunction<String,org.apache.flink.api.java.tuple.Tuple2<String,Integer>>