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

Class SideInputInitializer<ViewT>

java.lang.Object

org.apache.beam.runners.flink.translation.functions.SideInputInitializer<ViewT>

All Implemented Interfaces:

org.apache.flink.api.common.functions.BroadcastVariableInitializer<org.apache.beam.sdk.util.WindowedValue<?>,java.util.Map<org.apache.beam.sdk.transforms.windowing.BoundedWindow,ViewT>>

public class SideInputInitializer<ViewT>
extends java.lang.Object
implements org.apache.flink.api.common.functions.BroadcastVariableInitializer<org.apache.beam.sdk.util.WindowedValue<?>,java.util.Map<org.apache.beam.sdk.transforms.windowing.BoundedWindow,ViewT>>

BroadcastVariableInitializer that initializes the broadcast input as a Map from window to side input.

Constructor Summary

Constructors

Constructor and Description
SideInputInitializer(org.apache.beam.sdk.values.PCollectionView<ViewT> view)

Method Summary

Modifier and Type	Method and Description
java.util.Map<org.apache.beam.sdk.transforms.windowing.BoundedWindow,ViewT>	initializeBroadcastVariable(java.lang.Iterable<org.apache.beam.sdk.util.WindowedValue<?>> inputValues)

Methods inherited from class java.lang.Object

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

Constructor Detail

SideInputInitializer

public SideInputInitializer(org.apache.beam.sdk.values.PCollectionView<ViewT> view)

Method Detail

initializeBroadcastVariable

public java.util.Map<org.apache.beam.sdk.transforms.windowing.BoundedWindow,ViewT> initializeBroadcastVariable(java.lang.Iterable<org.apache.beam.sdk.util.WindowedValue<?>> inputValues)

Specified by:

initializeBroadcastVariable in interface org.apache.flink.api.common.functions.BroadcastVariableInitializer<org.apache.beam.sdk.util.WindowedValue<?>,java.util.Map<org.apache.beam.sdk.transforms.windowing.BoundedWindow,ViewT>>