org.apache.flink.api.common.operators.base

Class MapOperatorBase<IN,OUT,FT extends MapFunction<IN,OUT>>

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.SingleInputOperator<IN,OUT,FT>

org.apache.flink.api.common.operators.base.MapOperatorBase<IN,OUT,FT>

Type Parameters:

IN - The input type.

OUT - The result type.

FT - The type of the user-defined function.

All Implemented Interfaces:

Visitable<Operator<?>>

Direct Known Subclasses:

PlanProjectOperator

@Internal
public class MapOperatorBase<IN,OUT,FT extends MapFunction<IN,OUT>>
extends SingleInputOperator<IN,OUT,FT>

Field Summary

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

input

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
MapOperatorBase(Class<? extends FT> udf, UnaryOperatorInformation<IN,OUT> operatorInfo, String name)
MapOperatorBase(FT udf, UnaryOperatorInformation<IN,OUT> operatorInfo, String name)
MapOperatorBase(UserCodeWrapper<FT> udf, UnaryOperatorInformation<IN,OUT> operatorInfo, String name)

Method Summary

Modifier and Type	Method and Description
protected List<OUT>	executeOnCollections(List<IN> inputData, RuntimeContext ctx, ExecutionConfig executionConfig)

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

accept, addInput, addInput, clearInputs, getInput, getKeyColumns, getNumberOfInputs, getOperatorInfo, getSemanticProperties, setInput, setInput, setInputs, 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, getMinResources, getName, getParallelism, getParameters, getPreferredResources, setName, setParallelism, setParameter, setParameter, setParameter, setResources, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MapOperatorBase

public MapOperatorBase(UserCodeWrapper<FT> udf,
                       UnaryOperatorInformation<IN,OUT> operatorInfo,
                       String name)

MapOperatorBase

public MapOperatorBase(FT udf,
                       UnaryOperatorInformation<IN,OUT> operatorInfo,
                       String name)

MapOperatorBase

public MapOperatorBase(Class<? extends FT> udf,
                       UnaryOperatorInformation<IN,OUT> operatorInfo,
                       String name)

Method Detail

executeOnCollections

protected List<OUT> executeOnCollections(List<IN> inputData,
                                         RuntimeContext ctx,
                                         ExecutionConfig executionConfig)
                                  throws Exception

Specified by:

executeOnCollections in class SingleInputOperator<IN,OUT,FT extends MapFunction<IN,OUT>>

Throws:

Exception