io.prestosql.operator

Class OperatorContext

java.lang.Object

io.prestosql.operator.OperatorContext

public class OperatorContext
extends Object

Only getOperatorStats() and revocable-memory-related operations are ThreadSafe

Constructor Summary

Constructors

Constructor and Description
OperatorContext(int operatorId, PlanNodeId planNodeId, String operatorType, DriverContext driverContext, Executor executor, MemoryTrackingContext operatorMemoryContext)

Method Summary

Modifier and Type	Method and Description
<C,R> R	accept(QueryContextVisitor<C,R> visitor, C context)
AggregatedMemoryContext	aggregateRevocableMemoryContext()
AggregatedMemoryContext	aggregateSystemMemoryContext()
AggregatedMemoryContext	aggregateUserMemoryContext()
void	destroy()
DriverContext	getDriverContext()
io.airlift.stats.CounterStat	getInputDataSize()
io.airlift.stats.CounterStat	getInputPositions()
int	getOperatorId()
MemoryTrackingContext	getOperatorMemoryContext()
OperatorStats	getOperatorStats()
String	getOperatorType()
io.airlift.stats.CounterStat	getOutputDataSize()
io.airlift.stats.CounterStat	getOutputPositions()
long	getPhysicalWrittenDataSize()
long	getReservedRevocableBytes()
Session	getSession()
SpillContext	getSpillContext()
boolean	isDone()
boolean	isMemoryRevokingRequested()
com.google.common.util.concurrent.ListenableFuture<?>	isWaitingForMemory()
com.google.common.util.concurrent.ListenableFuture<?>	isWaitingForRevocableMemory()
LocalMemoryContext	localRevocableMemoryContext()
LocalMemoryContext	localSystemMemoryContext()
LocalMemoryContext	localUserMemoryContext()
void	moreMemoryAvailable()
AggregatedMemoryContext	newAggregateSystemMemoryContext()
LocalMemoryContext	newLocalSystemMemoryContext(String allocationTag)
void	recordBlocked(com.google.common.util.concurrent.ListenableFuture<?> blocked)
void	recordNetworkInput(long sizeInBytes, long positions) Record the amount of network bytes that were read by an operator.
void	recordOutput(long sizeInBytes, long positions)
void	recordPhysicalInputWithTiming(long sizeInBytes, long positions, long readNanos) Record the amount of physical bytes that were read by an operator and the time it took to read the data.
void	recordPhysicalWrittenData(long sizeInBytes)
void	recordProcessedInput(long sizeInBytes, long positions) Record the size in bytes of input blocks that were processed by an operator.
long	requestMemoryRevoking() Returns how much revocable memory will be revoked by the operator
void	resetMemoryRevokingRequested()
void	setInfoSupplier(Supplier<OperatorInfo> infoSupplier)
void	setMemoryRevocationRequestListener(Runnable listener)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorContext

public OperatorContext(int operatorId,
                       PlanNodeId planNodeId,
                       String operatorType,
                       DriverContext driverContext,
                       Executor executor,
                       MemoryTrackingContext operatorMemoryContext)

Method Detail

getOperatorId

public int getOperatorId()

getOperatorType

public String getOperatorType()

getDriverContext

public DriverContext getDriverContext()

getSession

public Session getSession()

isDone

public boolean isDone()

recordPhysicalInputWithTiming

public void recordPhysicalInputWithTiming(long sizeInBytes,
                                          long positions,
                                          long readNanos)

Record the amount of physical bytes that were read by an operator and the time it took to read the data. This metric is valid only for source operators.

recordNetworkInput

public void recordNetworkInput(long sizeInBytes,
                               long positions)

Record the amount of network bytes that were read by an operator. This metric is valid only for source operators.

recordProcessedInput

public void recordProcessedInput(long sizeInBytes,
                                 long positions)

Record the size in bytes of input blocks that were processed by an operator. This metric is valid only for source operators.

recordOutput

public void recordOutput(long sizeInBytes,
                         long positions)

recordPhysicalWrittenData

public void recordPhysicalWrittenData(long sizeInBytes)

recordBlocked

public void recordBlocked(com.google.common.util.concurrent.ListenableFuture<?> blocked)

isWaitingForMemory

public com.google.common.util.concurrent.ListenableFuture<?> isWaitingForMemory()

isWaitingForRevocableMemory

public com.google.common.util.concurrent.ListenableFuture<?> isWaitingForRevocableMemory()

newLocalSystemMemoryContext

public LocalMemoryContext newLocalSystemMemoryContext(String allocationTag)

localUserMemoryContext

public LocalMemoryContext localUserMemoryContext()

localSystemMemoryContext

public LocalMemoryContext localSystemMemoryContext()

localRevocableMemoryContext

public LocalMemoryContext localRevocableMemoryContext()

aggregateUserMemoryContext

public AggregatedMemoryContext aggregateUserMemoryContext()

aggregateSystemMemoryContext

public AggregatedMemoryContext aggregateSystemMemoryContext()

aggregateRevocableMemoryContext

public AggregatedMemoryContext aggregateRevocableMemoryContext()

newAggregateSystemMemoryContext

public AggregatedMemoryContext newAggregateSystemMemoryContext()

getReservedRevocableBytes

public long getReservedRevocableBytes()

destroy

public void destroy()

getSpillContext

public SpillContext getSpillContext()

moreMemoryAvailable

public void moreMemoryAvailable()

isMemoryRevokingRequested

public boolean isMemoryRevokingRequested()

requestMemoryRevoking

public long requestMemoryRevoking()

Returns how much revocable memory will be revoked by the operator

resetMemoryRevokingRequested

public void resetMemoryRevokingRequested()

setMemoryRevocationRequestListener

public void setMemoryRevocationRequestListener(Runnable listener)

setInfoSupplier

public void setInfoSupplier(Supplier<OperatorInfo> infoSupplier)

getInputDataSize

public io.airlift.stats.CounterStat getInputDataSize()

getInputPositions

public io.airlift.stats.CounterStat getInputPositions()

getOutputDataSize

public io.airlift.stats.CounterStat getOutputDataSize()

getOutputPositions

public io.airlift.stats.CounterStat getOutputPositions()

getPhysicalWrittenDataSize

public long getPhysicalWrittenDataSize()

toString

public String toString()

Overrides:

toString in class Object

getOperatorStats

public OperatorStats getOperatorStats()

accept

public <C,R> R accept(QueryContextVisitor<C,R> visitor,
                      C context)

getOperatorMemoryContext

public MemoryTrackingContext getOperatorMemoryContext()