Package io.trino.operator

Class TopNRankingOperator.TopNRankingOperatorFactory

java.lang.Object

io.trino.operator.TopNRankingOperator.TopNRankingOperatorFactory

All Implemented Interfaces:

OperatorFactory

Enclosing class:

TopNRankingOperator

public static class TopNRankingOperator.TopNRankingOperatorFactory
extends Object
implements OperatorFactory

Constructor Summary

Constructors

Constructor

Description

TopNRankingOperatorFactory(int operatorId, PlanNodeId planNodeId, TopNRankingNode.RankingType rankingType, List<? extends Type> sourceTypes, List<Integer> outputChannels, List<Integer> partitionChannels, List<? extends Type> partitionTypes, List<Integer> sortChannels, List<SortOrder> sortOrder, int maxRowCountPerPartition, boolean partial, Optional<Integer> hashChannel, int expectedPositions, Optional<io.airlift.units.DataSize> maxPartialMemory, FlatHashStrategyCompiler hashStrategyCompiler, TypeOperators typeOperators, BlockTypeOperators blockTypeOperators)

Method Summary

Modifier and Type	Method	Description
Operator	createOperator(DriverContext driverContext)
OperatorFactory	duplicate()
void	noMoreOperators()	Declare that createOperator will not be called any more and release any resources associated with this factory.

Methods inherited from class java.lang.Object

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

Constructor Details

TopNRankingOperatorFactory

public TopNRankingOperatorFactory(int operatorId,
 PlanNodeId planNodeId,
 TopNRankingNode.RankingType rankingType,
 List<? extends Type> sourceTypes,
 List<Integer> outputChannels,
 List<Integer> partitionChannels,
 List<? extends Type> partitionTypes,
 List<Integer> sortChannels,
 List<SortOrder> sortOrder,
 int maxRowCountPerPartition,
 boolean partial,
 Optional<Integer> hashChannel,
 int expectedPositions,
 Optional<io.airlift.units.DataSize> maxPartialMemory,
 FlatHashStrategyCompiler hashStrategyCompiler,
 TypeOperators typeOperators,
 BlockTypeOperators blockTypeOperators)

Method Details

createOperator

public Operator createOperator(DriverContext driverContext)

Specified by:

createOperator in interface OperatorFactory

noMoreOperators

public void noMoreOperators()

Description copied from interface: OperatorFactory

Declare that createOperator will not be called any more and release any resources associated with this factory.

This method will be called only once. Implementation doesn't need to worry about duplicate invocations.

Specified by:

noMoreOperators in interface OperatorFactory

duplicate

public OperatorFactory duplicate()

Specified by:

duplicate in interface OperatorFactory