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

Class PlanUnwrappingSortedReduceGroupOperator<IN,OUT,K1,K2>

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.GroupReduceOperatorBase<Tuple3<K1,K2,IN>,OUT,org.apache.flink.api.common.functions.GroupReduceFunction<Tuple3<K1,K2,IN>,OUT>>

org.apache.flink.api.java.operators.translation.PlanUnwrappingSortedReduceGroupOperator<IN,OUT,K1,K2>

All Implemented Interfaces:

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

public class PlanUnwrappingSortedReduceGroupOperator<IN,OUT,K1,K2>
extends org.apache.flink.api.common.operators.base.GroupReduceOperatorBase<Tuple3<K1,K2,IN>,OUT,org.apache.flink.api.common.functions.GroupReduceFunction<Tuple3<K1,K2,IN>,OUT>>

A reduce operator that takes 3-tuples (groupKey, sortKey, value), and applies the sorted group reduce operation only on the unwrapped values.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PlanUnwrappingSortedReduceGroupOperator.TupleUnwrappingGroupCombinableGroupReducer<IN,OUT,K1,K2>
static class	PlanUnwrappingSortedReduceGroupOperator.TupleUnwrappingNonCombinableGroupReducer<IN,OUT,K1,K2>

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
PlanUnwrappingSortedReduceGroupOperator(org.apache.flink.api.common.functions.GroupReduceFunction<IN,OUT> udf, Keys.SelectorFunctionKeys<IN,K1> groupingKey, Keys.SelectorFunctionKeys<IN,K2> sortingKey, String name, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outType, org.apache.flink.api.common.typeinfo.TypeInformation<Tuple3<K1,K2,IN>> typeInfoWithKey, boolean combinable)

Method Summary

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

executeOnCollections, getCustomPartitioner, getGroupOrder, isCombinable, setCombinable, setCustomPartitioner, setGroupOrder

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, getDegreeOfParallelism, getName, getParallelism, getParameters, setDegreeOfParallelism, 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

PlanUnwrappingSortedReduceGroupOperator

public PlanUnwrappingSortedReduceGroupOperator(org.apache.flink.api.common.functions.GroupReduceFunction<IN,OUT> udf,
                                               Keys.SelectorFunctionKeys<IN,K1> groupingKey,
                                               Keys.SelectorFunctionKeys<IN,K2> sortingKey,
                                               String name,
                                               org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outType,
                                               org.apache.flink.api.common.typeinfo.TypeInformation<Tuple3<K1,K2,IN>> typeInfoWithKey,
                                               boolean combinable)