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, org.apache.flink.api.common.functions.FlatMapFunction<T,Long>, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

Enclosing class:

Utils

public static class Utils.CountHelper<T>
extends org.apache.flink.api.common.functions.RichFlatMapFunction<T,Long>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CountHelper(String id)

Method Summary

Modifier and Type	Method and Description
void	close()
void	flatMap(T value, org.apache.flink.util.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

CountHelper

public CountHelper(String id)

Method Detail

flatMap

public void flatMap(T value,
                    org.apache.flink.util.Collector<Long> out)
             throws Exception

Specified by:

flatMap in interface org.apache.flink.api.common.functions.FlatMapFunction<T,Long>

Specified by:

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

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

close in class org.apache.flink.api.common.functions.AbstractRichFunction

Throws:

Exception