Class RecordedThread

java.lang.Object

jdk.jfr.consumer.RecordedObject

jdk.jfr.consumer.RecordedThread

public final class RecordedThread
extends RecordedObject

A recorded thread.

Since:

9

Method Summary

Modifier and Type	Method	Description
long	getId()	Returns a unique ID for both native threads and Java threads that can't be reused within the lifespan of the JVM.
String	getJavaName()	Returns the Java thread name, or null if doesn't exist.
long	getJavaThreadId()	Returns the Java thread ID, or -1 if it's not a Java thread.
String	getOSName()	Returns the thread name used by the operating system.
long	getOSThreadId()	Returns the thread ID used by the operating system.
RecordedThreadGroup	getThreadGroup()	Returns the Java thread group, if available.
boolean	isVirtual()	Returns true if this is a virtual Thread, false otherwise.

Methods declared in class RecordedObject

getBoolean, getByte, getChar, getClass, getDouble, getDuration, getFields, getFloat, getInstant, getInt, getLong, getShort, getString, getThread, getValue, hasField, toString

Modifier and Type	Method	Description
final boolean	getBoolean(String name)	Returns the value of a field of type boolean.
final byte	getByte(String name)	Returns the value of a field of type byte.
final char	getChar(String name)	Returns the value of a field of type char.
final RecordedClass	getClass(String name)	Returns the value of a field of type Class.
final double	getDouble(String name)	Returns the value of a field of type double or of another primitive type that is convertible to type double by a widening conversion.
final Duration	getDuration(String name)	Returns the value of a timespan field.
List<ValueDescriptor>	getFields()	Returns an immutable list of the fields for this object.
final float	getFloat(String name)	Returns the value of a field of type float or of another primitive type convertible to type float by a widening conversion.
final Instant	getInstant(String name)	Returns the value of a timestamp field.
final int	getInt(String name)	Returns the value of a field of type int or of another primitive type that is convertible to type int by a widening conversion.
final long	getLong(String name)	Returns the value of a field of type long or of another primitive type that is convertible to type long by a widening conversion.
final short	getShort(String name)	Returns the value of a field of type short or of another primitive type convertible to type short by a widening conversion.
final String	getString(String name)	Returns the value of a field of type String.
final RecordedThread	getThread(String name)	Returns the value of a field of type Thread.
final <T> T	getValue(String name)	Returns the value of the field with the given name.
boolean	hasField(String name)	Returns true if a field with the given name exists, false otherwise.
final String	toString()	Returns a textual representation of this object.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
boolean	equals(Object o)	Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. May cause performance issues, deadlocks and hangs.
final Class<? extends Object>	getClass()	Answers the unique instance of java.lang.Class which represents the class of the receiver.
int	hashCode()	Answers an integer hash code for the receiver.
final void	notify()	Causes one thread which is waiting on the receiver to be made ready to run.
final void	notifyAll()	Causes all threads which are waiting on the receiver to be made ready to run.
final void	wait()	Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
final void	wait(long time)	Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
final void	wait(long time, int frac)	Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

Method Details

getOSName

public String getOSName()

Returns the thread name used by the operating system.

Returns:

the OS thread name, or null if doesn't exist

getOSThreadId

public long getOSThreadId()

Returns the thread ID used by the operating system.

Returns:

the OS thread ID, or -1 if doesn't exist

getThreadGroup

public RecordedThreadGroup getThreadGroup()

Returns the Java thread group, if available.

Returns:

the thread group, or null if doesn't exist

getJavaName

public String getJavaName()

Returns the Java thread name, or null if doesn't exist.

Returns java.lang.Thread.getName() if the thread has a Java representation. null otherwise.

Returns:

the Java thread name, or null if doesn't exist

getJavaThreadId

public long getJavaThreadId()

Returns the Java thread ID, or -1 if it's not a Java thread.

Returns:

the Java thread ID, or -1 if it's not a Java thread

See Also:

• Thread.threadId()

getId

public long getId()

Returns a unique ID for both native threads and Java threads that can't be reused within the lifespan of the JVM.

See getJavaThreadId() for the ID that is returned by java.lang.Thread.threadId().

See getOSThreadId() for the ID that is returned by the operating system.

Returns:

a unique ID for the thread

isVirtual

public boolean isVirtual()

Returns true if this is a virtual Thread, false otherwise.

Returns:

true if this is a virtual Thread, false otherwise

Since:

21