org.apache.flink.streaming.examples.twitter

类 TwitterExample.SelectEnglishAndTokenizeFlatMap

java.lang.Object

org.apache.flink.streaming.examples.twitter.TwitterExample.SelectEnglishAndTokenizeFlatMap

所有已实现的接口:

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

封闭类:

TwitterExample

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

Deserialize JSON from twitter source

Implements a 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>).

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
SelectEnglishAndTokenizeFlatMap()

方法概要

限定符和类型	方法和说明
void	flatMap(String value, org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<String,Integer>> out) Select the language from the incoming JSON text.

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

SelectEnglishAndTokenizeFlatMap

public SelectEnglishAndTokenizeFlatMap()

方法详细资料

flatMap

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

Select the language from the incoming JSON text.

指定者:

flatMap 在接口中 org.apache.flink.api.common.functions.FlatMapFunction<String,org.apache.flink.api.java.tuple.Tuple2<String,Integer>>

抛出:

Exception