com.facebook.presto.operator

Class LimitOperator.LimitOperatorFactory

java.lang.Object

com.facebook.presto.operator.LimitOperator.LimitOperatorFactory

All Implemented Interfaces:

OperatorFactory

Enclosing class:

LimitOperator

public static class LimitOperator.LimitOperatorFactory
extends Object
implements OperatorFactory

Constructor Summary

Constructors

Constructor and Description
LimitOperatorFactory(int operatorId, PlanNodeId planNodeId, List<? extends Type> types, long limit)

Method Summary

Modifier and Type	Method and Description
Operator	createOperator(DriverContext driverContext)
OperatorFactory	duplicate()
List<Type>	getTypes()
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 Detail

LimitOperatorFactory

public LimitOperatorFactory(int operatorId,
                            PlanNodeId planNodeId,
                            List<? extends Type> types,
                            long limit)

Method Detail

getTypes

public List<Type> getTypes()

Specified by:

getTypes in interface OperatorFactory

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