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()
    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.
    String
    toString()
    Answers a string containing a concise, human-readable description of the receiver.
    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

    • 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