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

Class PlanUnwrappingSortedGroupCombineOperator<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.GroupCombineOperatorBase<Tuple3<K1,K2,IN>,OUT,org.apache.flink.api.common.functions.GroupCombineFunction<Tuple3<K1,K2,IN>,OUT>>

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

All Implemented Interfaces:

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

public class PlanUnwrappingSortedGroupCombineOperator<IN,OUT,K1,K2>
extends org.apache.flink.api.common.operators.base.GroupCombineOperatorBase<Tuple3<K1,K2,IN>,OUT,org.apache.flink.api.common.functions.GroupCombineFunction<Tuple3<K1,K2,IN>,OUT>>

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PlanUnwrappingSortedGroupCombineOperator.TupleUnwrappingGroupReducer<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
PlanUnwrappingSortedGroupCombineOperator(org.apache.flink.api.common.functions.GroupCombineFunction<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)

Method Summary

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

executeOnCollections, getGroupOrder, 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

PlanUnwrappingSortedGroupCombineOperator

public PlanUnwrappingSortedGroupCombineOperator(org.apache.flink.api.common.functions.GroupCombineFunction<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)