Class EventTypeInfo

java.lang.Object
jdk.management.jfr.EventTypeInfo
public final class EventTypeInfo extends Object
Management representation of an EventType.
Since:
9
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    static EventTypeInfo
    from(CompositeData cd)
    Returns an EventType represented by the specified CompositeData
    List<String>
    getCategoryNames()
    Returns the list of human-readable names that makes up the category for this EventTypeInfo (for example, "Java Virtual Machine" or "Garbage Collector").
    String
    getDescription()
    Returns a short sentence or two describing the event type associated with this EventTypeInfo, for example "Garbage collection performed by the JVM".
    long
    getId()
    Returns the unique ID for the event type associated with this EventTypeInfo, not guaranteed to be the same for different Java Virtual Machines (JVMs) instances.
    String
    getLabel()
    Returns the label, a human-readable name, associated with the event type for this EventTypeInfo (for example, "Garbage Collection").
    String
    getName()
    Returns the name for the event type associated with this EventTypeInfo (for example, "jdk.GarbageCollection").
    List<SettingDescriptorInfo>
    getSettingDescriptors()
    Returns settings for the event type associated with this EventTypeInfo.
    String
    toString()
    Returns a description of this EventTypeInfo.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Creates and returns a copy of this object.
    boolean
    equals(Object obj)
    Indicates whether some other object is "equal to" this one.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Finalization is deprecated and subject to removal in a future release.
    final Class<?>
    getClass()
    Returns the runtime class of this Object.
    int
    hashCode()
    Returns a hash code value for this object.
    final void
    notify()
    Wakes up a single thread that is waiting on this object's monitor.
    final void
    notifyAll()
    Wakes up all threads that are waiting on this object's monitor.
    final void
    wait()
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
    final void
    wait(long timeoutMillis)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
    final void
    wait(long timeoutMillis, int nanos)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • Method Details

    • getLabel

      public String getLabel()
      Returns the label, a human-readable name, associated with the event type for this EventTypeInfo (for example, "Garbage Collection").
      Returns:
      the label, or null if a label is not set
      See Also:

    • getCategoryNames

      public List<String> getCategoryNames()
      Returns the list of human-readable names that makes up the category for this EventTypeInfo (for example, "Java Virtual Machine" or "Garbage Collector").
      Returns:
      an immutable list of category names, or a list with the name "Uncategorized" if no category has been set
      See Also:

    • getId

      public long getId()
      Returns the unique ID for the event type associated with this EventTypeInfo, not guaranteed to be the same for different Java Virtual Machines (JVMs) instances.
      Returns:
      the ID
      See Also:

    • getName

      public String getName()
      Returns the name for the event type associated with this EventTypeInfo (for example, "jdk.GarbageCollection").
      Returns:
      the name, not null
      See Also:

    • getDescription

      public String getDescription()
      Returns a short sentence or two describing the event type associated with this EventTypeInfo, for example "Garbage collection performed by the JVM".
      Returns:
      the description, or null if no description exists
      See Also:

    • getSettingDescriptors

      public List<SettingDescriptorInfo> getSettingDescriptors()
      Returns settings for the event type associated with this EventTypeInfo.
      Returns:
      the settings, not null
      See Also:

    • toString

      public String toString()
      Returns a description of this EventTypeInfo.
      Overrides:
      toString in class Object
      Returns:
      description, not null

    • from

      public static EventTypeInfo from(CompositeData cd)
      Returns an EventType 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
      id Long
      name String
      label String
      description String
      categoryNames ArrayType(1, SimpleType.STRING)
      settingDescriptors javax.management.openmbean.CompositeData[] whose element type is the mapped type for SettingDescriptorInfo as specified in the SettingDescriptorInfo.from(CompositeData) method.
      Parameters:
      cd - CompositeData representing the EventTypeInfo to return
      Returns:
      an EventTypeInfo, or null if cd is null
      Throws:
      IllegalArgumentException - if cd does not represent a valid EventTypeInfo