Package org.apache.flink.streaming.runtime.translators

Class AbstractTwoInputTransformationTranslator<IN1,IN2,OUT,OP extends org.apache.flink.api.dag.Transformation<OUT>>

java.lang.Object

org.apache.flink.streaming.api.graph.SimpleTransformationTranslator<OUT,OP>

org.apache.flink.streaming.runtime.translators.AbstractTwoInputTransformationTranslator<IN1,IN2,OUT,OP>

All Implemented Interfaces:

TransformationTranslator<OUT,OP>

Direct Known Subclasses:

BroadcastStateTransformationTranslator, KeyedBroadcastStateTransformationTranslator, TwoInputTransformationTranslator

@Internal
public abstract class AbstractTwoInputTransformationTranslator<IN1,IN2,OUT,OP extends org.apache.flink.api.dag.Transformation<OUT>>
extends SimpleTransformationTranslator<OUT,OP>

A base class with functionality used during translating transformations with two inputs.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.streaming.api.graph.TransformationTranslator

TransformationTranslator.Context

Constructor Summary

Constructors

Constructor	Description
AbstractTwoInputTransformationTranslator()

Method Summary

Modifier and Type	Method	Description
protected Collection<Integer>	translateInternal(org.apache.flink.api.dag.Transformation<OUT> transformation, org.apache.flink.api.dag.Transformation<IN1> firstInputTransformation, org.apache.flink.api.dag.Transformation<IN2> secondInputTransformation, StreamOperatorFactory<OUT> operatorFactory, org.apache.flink.api.common.typeinfo.TypeInformation<?> keyTypeInfo, org.apache.flink.api.java.functions.KeySelector<IN1,?> firstKeySelector, org.apache.flink.api.java.functions.KeySelector<IN2,?> secondKeySelector, TransformationTranslator.Context context)

Methods inherited from class org.apache.flink.streaming.api.graph.SimpleTransformationTranslator

translateForBatch, translateForBatchInternal, translateForStreaming, translateForStreamingInternal

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractTwoInputTransformationTranslator

public AbstractTwoInputTransformationTranslator()

Method Details

translateInternal

protected Collection<Integer> translateInternal(org.apache.flink.api.dag.Transformation<OUT> transformation,
 org.apache.flink.api.dag.Transformation<IN1> firstInputTransformation,
 org.apache.flink.api.dag.Transformation<IN2> secondInputTransformation,
 StreamOperatorFactory<OUT> operatorFactory,
 @Nullable
 org.apache.flink.api.common.typeinfo.TypeInformation<?> keyTypeInfo,
 @Nullable
 org.apache.flink.api.java.functions.KeySelector<IN1,?> firstKeySelector,
 @Nullable
 org.apache.flink.api.java.functions.KeySelector<IN2,?> secondKeySelector,
 TransformationTranslator.Context context)