Class MetadataEvent

java.lang.Object
jdk.jfr.consumer.MetadataEvent
public final class MetadataEvent extends Object
Event that contains information about event types and configurations.
Since:
16

  • Method Summary

    Modifier and Type
    Method
    Description
    final List<EventType>
    getAddedEventTypes()
    Returns a list of added event types since the last metadata event.
    List<Configuration>
    getConfigurations()
    Returns a list of configurations.
    final List<EventType>
    getEventTypes()
    Returns a list of the current event types being used.
    final List<EventType>
    getRemovedEventTypes()
    Returns a list of removed event types since the last metadata event.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, 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.
    String
    toString()
    Returns a string representation of the object.
    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

    • getEventTypes

      public final List<EventType> getEventTypes()
      Returns a list of the current event types being used.
      Returns:
      an immutable list of event types, not null

    • getAddedEventTypes

      public final List<EventType> getAddedEventTypes()
      Returns a list of added event types since the last metadata event.

      The delta will be from the last metadata event. If no metadata event has been emitted earlier, all known event types will be in the list.

      Returns:
      an immutable list of added event types, not null

    • getRemovedEventTypes

      public final List<EventType> getRemovedEventTypes()
      Returns a list of removed event types since the last metadata event.

      The delta will be from the last metadata event. If no metadata event has been emitted earlier, the list will be empty.

      Returns:
      an immutable list of removed event types, not null

    • getConfigurations

      public List<Configuration> getConfigurations()
      Returns a list of configurations.
      Returns:
      an immutable list of configurations, not null