io.prestosql.operator

Class DriverContext

java.lang.Object

io.prestosql.operator.DriverContext

public class DriverContext
extends Object

Only calling getDriverStats is ThreadSafe

Constructor Summary

Constructors

Constructor and Description
DriverContext(PipelineContext pipelineContext, Executor notificationExecutor, ScheduledExecutorService yieldExecutor, MemoryTrackingContext driverMemoryContext, Lifespan lifespan)

Method Summary

Modifier and Type	Method and Description
<C,R> R	accept(QueryContextVisitor<C,R> visitor, C context)
<C,R> List<R>	acceptChildren(QueryContextVisitor<C,R> visitor, C context)
OperatorContext	addOperatorContext(int operatorId, PlanNodeId planNodeId, String operatorType)
void	failed(Throwable cause)
void	finished()
void	freeSpill(long bytes)
MemoryTrackingContext	getDriverMemoryContext()
DriverStats	getDriverStats()
io.airlift.stats.CounterStat	getInputDataSize()
io.airlift.stats.CounterStat	getInputPositions()
Lifespan	getLifespan()
long	getMemoryUsage()
List<OperatorContext>	getOperatorContexts()
io.airlift.stats.CounterStat	getOutputDataSize()
io.airlift.stats.CounterStat	getOutputPositions()
PipelineContext	getPipelineContext()
long	getPphysicalWrittenDataSize()
long	getRevocableMemoryUsage()
Session	getSession()
long	getSystemMemoryUsage()
TaskId	getTaskId()
ScheduledExecutorService	getYieldExecutor()
DriverYieldSignal	getYieldSignal()
boolean	isCpuTimerEnabled()
boolean	isDone()
boolean	isExecutionStarted()
boolean	isFullyBlocked()
boolean	isPerOperatorCpuTimerEnabled()
void	moreMemoryAvailable()
void	recordBlocked(com.google.common.util.concurrent.ListenableFuture<?> blocked)
void	recordProcessed(io.prestosql.operator.OperationTimer operationTimer)
com.google.common.util.concurrent.ListenableFuture<?>	reserveSpill(long bytes)
void	startProcessTimer()

Methods inherited from class java.lang.Object

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

Constructor Detail

DriverContext

public DriverContext(PipelineContext pipelineContext,
                     Executor notificationExecutor,
                     ScheduledExecutorService yieldExecutor,
                     MemoryTrackingContext driverMemoryContext,
                     Lifespan lifespan)

Method Detail

getTaskId

public TaskId getTaskId()

addOperatorContext

public OperatorContext addOperatorContext(int operatorId,
                                          PlanNodeId planNodeId,
                                          String operatorType)

getOperatorContexts

public List<OperatorContext> getOperatorContexts()

getPipelineContext

public PipelineContext getPipelineContext()

getSession

public Session getSession()

startProcessTimer

public void startProcessTimer()

recordProcessed

public void recordProcessed(io.prestosql.operator.OperationTimer operationTimer)

recordBlocked

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

finished

public void finished()

failed

public void failed(Throwable cause)

isDone

public boolean isDone()

reserveSpill

public com.google.common.util.concurrent.ListenableFuture<?> reserveSpill(long bytes)

freeSpill

public void freeSpill(long bytes)

getYieldSignal

public DriverYieldSignal getYieldSignal()

getSystemMemoryUsage

public long getSystemMemoryUsage()

getMemoryUsage

public long getMemoryUsage()

getRevocableMemoryUsage

public long getRevocableMemoryUsage()

moreMemoryAvailable

public void moreMemoryAvailable()

isPerOperatorCpuTimerEnabled

public boolean isPerOperatorCpuTimerEnabled()

isCpuTimerEnabled

public boolean isCpuTimerEnabled()

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()

getPphysicalWrittenDataSize

public long getPphysicalWrittenDataSize()

isExecutionStarted

public boolean isExecutionStarted()

isFullyBlocked

public boolean isFullyBlocked()

getDriverStats

public DriverStats getDriverStats()

accept

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

acceptChildren

public <C,R> List<R> acceptChildren(QueryContextVisitor<C,R> visitor,
                                    C context)

getLifespan

public Lifespan getLifespan()

getYieldExecutor

public ScheduledExecutorService getYieldExecutor()

getDriverMemoryContext

public MemoryTrackingContext getDriverMemoryContext()