org.apache.beam.runners.flink.translation.functions

Class FlinkExplodeWindowsFunction<T>

java.lang.Object

org.apache.beam.runners.flink.translation.functions.FlinkExplodeWindowsFunction<T>

Type Parameters:

T - Value type.

All Implemented Interfaces:

java.io.Serializable, org.apache.flink.api.common.functions.FlatMapFunction<org.apache.beam.sdk.util.WindowedValue<T>,org.apache.beam.sdk.util.WindowedValue<T>>, org.apache.flink.api.common.functions.Function

public class FlinkExplodeWindowsFunction<T>
extends java.lang.Object
implements org.apache.flink.api.common.functions.FlatMapFunction<org.apache.beam.sdk.util.WindowedValue<T>,org.apache.beam.sdk.util.WindowedValue<T>>

Explode WindowedValue that belongs to multiple windows into multiple "single window" values, so we can safely group elements by (K, W) tuples.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FlinkExplodeWindowsFunction()

Method Summary

Modifier and Type	Method and Description
void	flatMap(org.apache.beam.sdk.util.WindowedValue<T> value, org.apache.flink.util.Collector<org.apache.beam.sdk.util.WindowedValue<T>> coll)

Methods inherited from class java.lang.Object

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

Constructor Detail

FlinkExplodeWindowsFunction

public FlinkExplodeWindowsFunction()

Method Detail

flatMap

public void flatMap(org.apache.beam.sdk.util.WindowedValue<T> value,
                    org.apache.flink.util.Collector<org.apache.beam.sdk.util.WindowedValue<T>> coll)

Specified by:

flatMap in interface org.apache.flink.api.common.functions.FlatMapFunction<org.apache.beam.sdk.util.WindowedValue<T>,org.apache.beam.sdk.util.WindowedValue<T>>