org.apache.flink.api.java.operators.translation

Class PlanProjectOperator<T,R extends org.apache.flink.api.java.tuple.Tuple>

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<T,R,org.apache.flink.api.common.functions.MapFunction<T,R>>

org.apache.flink.api.java.operators.translation.PlanProjectOperator<T,R>

Type Parameters:

T - Input tuple type

R - Output tuple type

All Implemented Interfaces:

org.apache.flink.util.Visitable<org.apache.flink.api.common.operators.Operator<?>>

@Internal
public class PlanProjectOperator<T,R extends org.apache.flink.api.java.tuple.Tuple>
extends org.apache.flink.api.common.operators.base.MapOperatorBase<T,R,org.apache.flink.api.common.functions.MapFunction<T,R>>

A map operator that retains a subset of fields from incoming tuples.

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
PlanProjectOperator(int[] fields, String name, org.apache.flink.api.common.typeinfo.TypeInformation<T> inType, org.apache.flink.api.common.typeinfo.TypeInformation<R> outType, org.apache.flink.api.common.ExecutionConfig executionConfig)

Method Summary

Methods inherited from class org.apache.flink.api.common.operators.base.MapOperatorBase

executeOnCollections

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

PlanProjectOperator

public PlanProjectOperator(int[] fields,
                           String name,
                           org.apache.flink.api.common.typeinfo.TypeInformation<T> inType,
                           org.apache.flink.api.common.typeinfo.TypeInformation<R> outType,
                           org.apache.flink.api.common.ExecutionConfig executionConfig)