org.apache.flink.api.java

Class Utils.CountHelper<T>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.api.common.functions.RichFlatMapFunction<T,Long>

org.apache.flink.api.java.Utils.CountHelper<T>

All Implemented Interfaces:

Serializable, FlatMapFunction<T,Long>, Function, RichFunction

Enclosing class:

Utils

public static class Utils.CountHelper<T>
extends RichFlatMapFunction<T,Long>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Utils.CountHelper(String id)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	flatMap(T value, Collector<Long> out)

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils.CountHelper

public Utils.CountHelper(String id)

Method Detail

flatMap

public void flatMap(T value,
           Collector<Long> out)
             throws Exception

Specified by:

flatMap in interface FlatMapFunction<T,Long>

Specified by:

flatMap in class RichFlatMapFunction<T,Long>

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface RichFunction

Overrides:

close in class AbstractRichFunction

Throws:

Exception