Package io.trino.execution.executor.timesharing

Class TimeSharingTaskHandle

java.lang.Object

io.trino.execution.executor.timesharing.TimeSharingTaskHandle

All Implemented Interfaces:

TaskHandle

@ThreadSafe
public class TimeSharingTaskHandle
extends Object
implements TaskHandle

Field Summary

Fields

Modifier and Type	Field	Description
protected final SplitConcurrencyController	concurrencyController
protected final Queue<PrioritizedSplitRunner>	queuedLeafSplits
protected final List<PrioritizedSplitRunner>	runningIntermediateSplits
protected final List<PrioritizedSplitRunner>	runningLeafSplits
protected long	scheduledNanos

Constructor Summary

Constructors

Constructor	Description
TimeSharingTaskHandle(TaskId taskId, MultilevelSplitQueue splitQueue, DoubleSupplier utilizationSupplier, int initialSplitConcurrency, io.airlift.units.Duration splitConcurrencyAdjustFrequency, OptionalInt maxDriversPerTask)

Method Summary

Modifier and Type	Method	Description
Priority	addScheduledNanos(long durationNanos)
List<PrioritizedSplitRunner>	destroy()
boolean	enqueueSplit(PrioritizedSplitRunner split)
OptionalInt	getMaxDriversPerTask()
int	getNextSplitId()
Priority	getPriority()
long	getScheduledNanos()
TaskId	getTaskId()
boolean	isDestroyed()
PrioritizedSplitRunner	pollNextSplit()
boolean	recordIntermediateSplit(PrioritizedSplitRunner split)
Priority	resetLevelPriority()
void	splitComplete(PrioritizedSplitRunner split)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

queuedLeafSplits

protected final Queue<PrioritizedSplitRunner> queuedLeafSplits

runningLeafSplits

protected final List<PrioritizedSplitRunner> runningLeafSplits

runningIntermediateSplits

protected final List<PrioritizedSplitRunner> runningIntermediateSplits

scheduledNanos

protected long scheduledNanos

concurrencyController

protected final SplitConcurrencyController concurrencyController

Constructor Details

TimeSharingTaskHandle

public TimeSharingTaskHandle(TaskId taskId,
 MultilevelSplitQueue splitQueue,
 DoubleSupplier utilizationSupplier,
 int initialSplitConcurrency,
 io.airlift.units.Duration splitConcurrencyAdjustFrequency,
 OptionalInt maxDriversPerTask)

Method Details

addScheduledNanos

public Priority addScheduledNanos(long durationNanos)

resetLevelPriority

public Priority resetLevelPriority()

isDestroyed

public boolean isDestroyed()

Specified by:

isDestroyed in interface TaskHandle

getPriority

public Priority getPriority()

getTaskId

public TaskId getTaskId()

getMaxDriversPerTask

public OptionalInt getMaxDriversPerTask()

destroy

public List<PrioritizedSplitRunner> destroy()

enqueueSplit

public boolean enqueueSplit(PrioritizedSplitRunner split)

recordIntermediateSplit

public boolean recordIntermediateSplit(PrioritizedSplitRunner split)

getScheduledNanos

public long getScheduledNanos()

pollNextSplit

public PrioritizedSplitRunner pollNextSplit()

splitComplete

public void splitComplete(PrioritizedSplitRunner split)

getNextSplitId

public int getNextSplitId()

toString

public String toString()

Overrides:

toString in class Object