org.apache.flink.streaming.examples.twitter

Class TwitterStream.SelectMaxOccurence

java.lang.Object

org.apache.flink.streaming.examples.twitter.TwitterStream.SelectMaxOccurence

All Implemented Interfaces:

Serializable, FlatMapFunction<Tuple2<String,Integer>,Tuple2<String,Integer>>, Function

Enclosing class:

TwitterStream

public static class TwitterStream.SelectMaxOccurence
extends Object
implements FlatMapFunction<Tuple2<String,Integer>,Tuple2<String,Integer>>

Implements a user-defined FlatMapFunction that check if the word's current occurence is higher than the maximum occurence. If it is, return with the word and change the maximum.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SelectMaxOccurence()

Method Summary

Modifier and Type	Method and Description
void	flatMap(Tuple2<String,Integer> value, Collector<Tuple2<String,Integer>> out)

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectMaxOccurence

public SelectMaxOccurence()

Method Detail

flatMap

public void flatMap(Tuple2<String,Integer> value,
                    Collector<Tuple2<String,Integer>> out)
             throws Exception

Specified by:

flatMap in interface FlatMapFunction<Tuple2<String,Integer>,Tuple2<String,Integer>>

Throws:

Exception