Modifier and Type	Class and Description
private abstract static class	VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl Base implementation of VirtualThreadSchedulerMXBean.
private static class	VirtualThreadSchedulerImpls.BoundVirtualThreadSchedulerImpl Implementation of VirtualThreadSchedulerMXBean when virtual threads are backed by platform threads.
private static class	VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl Implementation of VirtualThreadSchedulerMXBean when virtual threads are implemented with continuations + scheduler.

Access	Constructor and Description
private	VirtualThreadSchedulerImpls()

Modifier and Type	Method and Description
public static VirtualThreadSchedulerMXBean	create()

VirtualThreadSchedulerImpls	back to summary
private VirtualThreadSchedulerImpls()

create	back to summary
public static VirtualThreadSchedulerMXBean create()

com.sun.management.internal back to summary

private abstract Class VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl

Class Inheritance

extends Object
implements VirtualThreadSchedulerMXBean

java.lang.Object
com.sun.management.internal.VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl

All Implemented Interfaces

jdk.management.VirtualThreadSchedulerMXBean, java.lang.management.PlatformManagedObject

Known Direct Subclasses

com.sun.management.internal.VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl, com.sun.management.internal.VirtualThreadSchedulerImpls.BoundVirtualThreadSchedulerImpl

Base implementation of VirtualThreadSchedulerMXBean.

Constructor Summary

Access	Constructor and Description
private	BaseVirtualThreadSchedulerImpl()

Method Summary

Modifier and Type	Method and Description
private void	append(StringBuilder sb, String name, long value)
public final ObjectName	getObjectName() Implements java.lang.management.PlatformManagedObject.getObjectName. Returns an `ObjectName` instance representing the object name of this platform managed object.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

Constructor Detail

BaseVirtualThreadSchedulerImpl	back to summary
private BaseVirtualThreadSchedulerImpl()

Method Detail

append	back to summary
private void append(StringBuilder sb, String name, long value)

getObjectName back to summary

getObjectName	back to summary
public final ObjectName getObjectName() Implements java.lang.management.PlatformManagedObject.getObjectName. Doc from java.lang.management.PlatformManagedObject.getObjectName. Returns an `ObjectName` instance representing the object name of this platform managed object. Annotations @Override

public final ObjectName getObjectName()

Implements java.lang.management.PlatformManagedObject.getObjectName.

Doc from java.lang.management.PlatformManagedObject.getObjectName.

Returns an ObjectName instance representing the object name of this platform managed object.

Annotations

@Override

toString back to summary

toString	back to summary
public String toString() Overrides java.lang.Object.toString. Doc from java.lang.Object.toString. Returns a string representation of the object. Satisfying this method's contract implies a non-`null` result must be returned. Annotations @Override

public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Annotations

@Override

com.sun.management.internal back to summary

private final Class VirtualThreadSchedulerImpls.BoundVirtualThreadSchedulerImpl

Class Inheritance

extends BaseVirtualThreadSchedulerImpl

java.lang.Object
com.sun.management.internal.VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl
com.sun.management.internal.VirtualThreadSchedulerImpls.BoundVirtualThreadSchedulerImpl

Implementation of VirtualThreadSchedulerMXBean when virtual threads are backed by platform threads.

Constructor Summary

Access	Constructor and Description
private	BoundVirtualThreadSchedulerImpl()

Method Summary

Modifier and Type	Method and Description
public int	getMountedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount. Returns an estimate of the number of virtual threads that are currently mounted by the scheduler; `-1` if not known.
public int	getParallelism() Implements jdk.management.VirtualThreadSchedulerMXBean.getParallelism. Returns the scheduler's target parallelism.
public int	getPoolSize() Implements jdk.management.VirtualThreadSchedulerMXBean.getPoolSize. Returns the current number of platform threads that the scheduler has started but have not terminated; `-1` if not known.
public long	getQueuedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount. Returns an estimate of the number of virtual threads that are queued to the scheduler to start or continue execution; `-1` if not known.
public void	setParallelism(int size) Implements jdk.management.VirtualThreadSchedulerMXBean.setParallelism. Sets the scheduler's target parallelism.

Inherited from com.sun.management.internal.VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl:: getObjectName toString

Constructor Detail

BoundVirtualThreadSchedulerImpl	back to summary
private BoundVirtualThreadSchedulerImpl()

Method Detail

getMountedVirtualThreadCount back to summary

getMountedVirtualThreadCount	back to summary
public int getMountedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount. Doc from jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount. Returns an estimate of the number of virtual threads that are currently mounted by the scheduler; `-1` if not known. The number of mounted virtual threads is equal to the number of platform threads carrying virtual threads. Annotations @Override

public int getMountedVirtualThreadCount()

Implements jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount.

Returns an estimate of the number of virtual threads that are currently mounted by the scheduler; -1 if not known.

The number of mounted virtual threads is equal to the number of platform threads carrying virtual threads.

Annotations

@Override

getParallelism	back to summary
public int getParallelism() Implements jdk.management.VirtualThreadSchedulerMXBean.getParallelism. Doc from jdk.management.VirtualThreadSchedulerMXBean.getParallelism. Returns the scheduler's target parallelism. Annotations @Override

getParallelism

back to summary

public int getParallelism()

Implements jdk.management.VirtualThreadSchedulerMXBean.getParallelism.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getParallelism.

Returns the scheduler's target parallelism.

Annotations

@Override

getPoolSize back to summary

getPoolSize	back to summary
public int getPoolSize() Implements jdk.management.VirtualThreadSchedulerMXBean.getPoolSize. Doc from jdk.management.VirtualThreadSchedulerMXBean.getPoolSize. Returns the current number of platform threads that the scheduler has started but have not terminated; `-1` if not known. The count includes the platform threads that are currently carrying virtual threads and the platform threads that are not currently carrying virtual threads. The thread count may be greater than the scheduler's target parallelism. Annotations @Override

public int getPoolSize()

Implements jdk.management.VirtualThreadSchedulerMXBean.getPoolSize.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getPoolSize.

Returns the current number of platform threads that the scheduler has started but have not terminated; -1 if not known.

The count includes the platform threads that are currently carrying virtual threads and the platform threads that are not currently carrying virtual threads. The thread count may be greater than the scheduler's target parallelism.

Annotations

@Override

getQueuedVirtualThreadCount back to summary

getQueuedVirtualThreadCount	back to summary
public long getQueuedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount. Doc from jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount. Returns an estimate of the number of virtual threads that are queued to the scheduler to start or continue execution; `-1` if not known. Annotations @Override

public long getQueuedVirtualThreadCount()

Implements jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount.

Returns an estimate of the number of virtual threads that are queued to the scheduler to start or continue execution; -1 if not known.

Annotations

@Override

setParallelism	back to summary
public void setParallelism(int size) Implements jdk.management.VirtualThreadSchedulerMXBean.setParallelism. Doc from jdk.management.VirtualThreadSchedulerMXBean.setParallelism. Sets the scheduler's target parallelism. Increasing the target parallelism allows the scheduler to use more platform threads to carry virtual threads if required. Decreasing the target parallelism reduces the number of threads that the scheduler may use to carry virtual threads. Annotations @Override

setParallelism

back to summary

public void setParallelism(int size)

Implements jdk.management.VirtualThreadSchedulerMXBean.setParallelism.

Doc from jdk.management.VirtualThreadSchedulerMXBean.setParallelism.

Sets the scheduler's target parallelism.

Increasing the target parallelism allows the scheduler to use more platform threads to carry virtual threads if required. Decreasing the target parallelism reduces the number of threads that the scheduler may use to carry virtual threads.

Annotations

@Override

com.sun.management.internal back to summary

private final Class VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl

Class Inheritance

extends BaseVirtualThreadSchedulerImpl

java.lang.Object
com.sun.management.internal.VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl
com.sun.management.internal.VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl

Implementation of VirtualThreadSchedulerMXBean when virtual threads are implemented with continuations + scheduler.

Nested and Inner Type Summary

Modifier and Type	Class and Description
private static class	VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl.Scheduler Holder class for scheduler.

Constructor Summary

Access	Constructor and Description
private	VirtualThreadSchedulerImpl()

Method Summary

Modifier and Type	Method and Description
public int	getMountedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount. Returns an estimate of the number of virtual threads that are currently mounted by the scheduler; `-1` if not known.
public int	getParallelism() Implements jdk.management.VirtualThreadSchedulerMXBean.getParallelism. Returns the scheduler's target parallelism.
public int	getPoolSize() Implements jdk.management.VirtualThreadSchedulerMXBean.getPoolSize. Returns the current number of platform threads that the scheduler has started but have not terminated; `-1` if not known.
public long	getQueuedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount. Returns an estimate of the number of virtual threads that are queued to the scheduler to start or continue execution; `-1` if not known.
public void	setParallelism(int size) Implements jdk.management.VirtualThreadSchedulerMXBean.setParallelism. Sets the scheduler's target parallelism.

Inherited from com.sun.management.internal.VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl:: getObjectName toString

Constructor Detail

VirtualThreadSchedulerImpl	back to summary
private VirtualThreadSchedulerImpl()

Method Detail

getMountedVirtualThreadCount back to summary

getMountedVirtualThreadCount	back to summary
public int getMountedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount. Doc from jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount. Returns an estimate of the number of virtual threads that are currently mounted by the scheduler; `-1` if not known. The number of mounted virtual threads is equal to the number of platform threads carrying virtual threads. Annotations @Override

public int getMountedVirtualThreadCount()

Implements jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getMountedVirtualThreadCount.

Returns an estimate of the number of virtual threads that are currently mounted by the scheduler; -1 if not known.

The number of mounted virtual threads is equal to the number of platform threads carrying virtual threads.

Annotations

@Override

getParallelism	back to summary
public int getParallelism() Implements jdk.management.VirtualThreadSchedulerMXBean.getParallelism. Doc from jdk.management.VirtualThreadSchedulerMXBean.getParallelism. Returns the scheduler's target parallelism. Annotations @Override

getParallelism

back to summary

public int getParallelism()

Implements jdk.management.VirtualThreadSchedulerMXBean.getParallelism.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getParallelism.

Returns the scheduler's target parallelism.

Annotations

@Override

getPoolSize back to summary

getPoolSize	back to summary
public int getPoolSize() Implements jdk.management.VirtualThreadSchedulerMXBean.getPoolSize. Doc from jdk.management.VirtualThreadSchedulerMXBean.getPoolSize. Returns the current number of platform threads that the scheduler has started but have not terminated; `-1` if not known. The count includes the platform threads that are currently carrying virtual threads and the platform threads that are not currently carrying virtual threads. The thread count may be greater than the scheduler's target parallelism. Annotations @Override

public int getPoolSize()

Implements jdk.management.VirtualThreadSchedulerMXBean.getPoolSize.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getPoolSize.

Returns the current number of platform threads that the scheduler has started but have not terminated; -1 if not known.

Annotations

@Override

getQueuedVirtualThreadCount back to summary

getQueuedVirtualThreadCount	back to summary
public long getQueuedVirtualThreadCount() Implements jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount. Doc from jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount. Returns an estimate of the number of virtual threads that are queued to the scheduler to start or continue execution; `-1` if not known. Annotations @Override

public long getQueuedVirtualThreadCount()

Implements jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount.

Doc from jdk.management.VirtualThreadSchedulerMXBean.getQueuedVirtualThreadCount.

Returns an estimate of the number of virtual threads that are queued to the scheduler to start or continue execution; -1 if not known.

Annotations

@Override

setParallelism	back to summary
public void setParallelism(int size) Implements jdk.management.VirtualThreadSchedulerMXBean.setParallelism. Doc from jdk.management.VirtualThreadSchedulerMXBean.setParallelism. Sets the scheduler's target parallelism. Increasing the target parallelism allows the scheduler to use more platform threads to carry virtual threads if required. Decreasing the target parallelism reduces the number of threads that the scheduler may use to carry virtual threads. Annotations @Override

setParallelism

back to summary

public void setParallelism(int size)

Implements jdk.management.VirtualThreadSchedulerMXBean.setParallelism.

Doc from jdk.management.VirtualThreadSchedulerMXBean.setParallelism.

Sets the scheduler's target parallelism.

Annotations

@Override

com.sun.management.internal back to summary

private Class VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl.Scheduler

Class Inheritance

extends Object

java.lang.Object
com.sun.management.internal.VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl.Scheduler

Holder class for scheduler.

Field Summary

Modifier and Type	Field and Description
private static final Executor	scheduler

Constructor Summary

Access	Constructor and Description
private	Scheduler()

Method Summary

Modifier and Type	Method and Description
pack-priv static Executor	instance()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

scheduler	back to summary
private static final Executor scheduler

Constructor Detail

Scheduler	back to summary
private Scheduler()

Method Detail

instance	back to summary
pack-priv static Executor instance()

public Class VirtualThreadSchedulerImpls

Nested and Inner Type Summary

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private abstract Class VirtualThreadSchedulerImpls.BaseVirtualThreadSchedulerImpl

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private final Class VirtualThreadSchedulerImpls.BoundVirtualThreadSchedulerImpl

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private final Class VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl

Nested and Inner Type Summary

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private Class VirtualThreadSchedulerImpls.VirtualThreadSchedulerImpl.Scheduler

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail