Class SettingDescriptorInfo

java.lang.Object

jdk.management.jfr.SettingDescriptorInfo

public final class SettingDescriptorInfo
extends Object

Management class that describes a setting, for example name, description and default value.

Since:

9

See Also:

• EventType.getSettingDescriptors()

Method Summary

Modifier and Type	Method	Description
static SettingDescriptorInfo	from(CompositeData cd)	Returns an SettingDescriptorInfo represented by the specified CompositeData
String	getContentType()	Returns the content type of the setting associated this SettingDescriptorInfo (for example, "jdk.jfr.Timespan").
String	getDefaultValue()	Returns the default value of the setting associated this SettingDescriptorInfo (for example, "20 ms").
String	getDescription()	Returns the description of the setting associated this SettingDescriptorInfo (for example, "The duration an event must exceed to be recorded").
String	getLabel()	Returns the human-readable name of the setting associated with this SettingDescriptorInfo (for example, "Threshold").
String	getName()	Returns the name of the setting associated with this SettingDescriptorInfo (for example, "threshold").
String	getTypeName()	Returns the type name of the setting associated this SettingDescriptorInfo (for example, "jdk.settings.Threshold").
String	toString()	Returns a String description of this SettingDescriptorInfo.

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

getLabel

public String getLabel()

Returns the human-readable name of the setting associated with this SettingDescriptorInfo (for example, "Threshold").

Returns:

the label for this setting, not null

getName

public String getName()

Returns the name of the setting associated with this SettingDescriptorInfo (for example, "threshold").

Returns:

the name of this setting, not null

getDescription

public String getDescription()

Returns the description of the setting associated this SettingDescriptorInfo (for example, "The duration an event must exceed to be recorded").

Returns:

the description of this setting, not null

getTypeName

public String getTypeName()

Returns the type name of the setting associated this SettingDescriptorInfo (for example, "jdk.settings.Threshold").

The type can be used to identify what type of setting this is.

Returns:

the name of this settings type, not null

getContentType

public String getContentType()

Returns the content type of the setting associated this SettingDescriptorInfo (for example, "jdk.jfr.Timespan").

The content type can be used to determine how the setting should be rendered in a graphical user interface.

Returns:

the name of this settings type, not null

getDefaultValue

public String getDefaultValue()

Returns the default value of the setting associated this SettingDescriptorInfo (for example, "20 ms").

Returns:

default value for this setting, not null

See Also:

• SettingDescriptor.getDefaultValue()

from

public static SettingDescriptorInfo from(CompositeData cd)

Returns an SettingDescriptorInfo represented by the specified CompositeData

The supplied CompositeData must have the following item names and item types to be valid.

The name and type the specified CompositeData must contain

Name	Type
name	String
label	String
description	String
typeName	String
contentType	String
defaultValue	String

Parameters:

cd - CompositeData representing the SettingDescriptorInfo to return

Returns:

a SettingDescriptorInfo, or null if cd is null

Throws:

IllegalArgumentException - if cd does not represent a valid EventTypeInfo

toString

public String toString()

Returns a String description of this SettingDescriptorInfo.

Overrides:

toString in class Object

Returns:

a string describing this setting, not null