org.apache.flink.api.common.operators

Class Union<T>

java.lang.Object

org.apache.flink.api.common.operators.Operator<OUT>

org.apache.flink.api.common.operators.AbstractUdfOperator<OUT,FT>

org.apache.flink.api.common.operators.DualInputOperator<T,T,T,AbstractRichFunction>

org.apache.flink.api.common.operators.Union<T>

All Implemented Interfaces:

Visitable<Operator<?>>

@Internal
public class Union<T>
extends DualInputOperator<T,T,T,AbstractRichFunction>

This operator represents a Union between two inputs.

Field Summary

Fields inherited from class org.apache.flink.api.common.operators.DualInputOperator

input1, input2

Fields inherited from class org.apache.flink.api.common.operators.AbstractUdfOperator

broadcastInputs, userFunction

Fields inherited from class org.apache.flink.api.common.operators.Operator

compilerHints, name, operatorInfo, parameters

Constructor Summary

Constructors

Constructor and Description
Union(BinaryOperatorInformation<T,T,T> operatorInfo, String unionLocationName) Creates a new Union operator.
Union(Operator<T> input1, Operator<T> input2, String unionLocationName)

Method Summary

Modifier and Type	Method and Description
protected List<T>	executeOnCollections(List<T> inputData1, List<T> inputData2, RuntimeContext runtimeContext, ExecutionConfig executionConfig)

Methods inherited from class org.apache.flink.api.common.operators.DualInputOperator

accept, addFirstInput, addFirstInputs, addSecondInput, addSecondInputs, clearFirstInput, clearSecondInput, getFirstInput, getKeyColumns, getNumberOfInputs, getOperatorInfo, getSecondInput, getSemanticProperties, setFirstInput, setFirstInput, setFirstInputs, setSecondInput, setSecondInput, setSecondInputs, setSemanticProperties

Methods inherited from class org.apache.flink.api.common.operators.AbstractUdfOperator

asArray, emptyClassArray, getBroadcastInputs, getUserCodeWrapper, setBroadcastVariable, setBroadcastVariables

Methods inherited from class org.apache.flink.api.common.operators.Operator

createUnionCascade, createUnionCascade, createUnionCascade, getCompilerHints, getName, getParallelism, getParameters, setName, setParallelism, setParameter, setParameter, setParameter, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Union

public Union(BinaryOperatorInformation<T,T,T> operatorInfo,
             String unionLocationName)

Creates a new Union operator.

Union

public Union(Operator<T> input1,
             Operator<T> input2,
             String unionLocationName)

Method Detail

executeOnCollections

protected List<T> executeOnCollections(List<T> inputData1,
                                       List<T> inputData2,
                                       RuntimeContext runtimeContext,
                                       ExecutionConfig executionConfig)

Specified by:

executeOnCollections in class DualInputOperator<T,T,T,AbstractRichFunction>