Module jdk.management.jfr
Package jdk.management.jfr

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 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 java.lang.Object

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

  • 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 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