WatchpointEvent (Java SE 12 & JDK 12 )
Keywords: com.sun.jdi.event.WatchpointEvent interface

Module jdk.jdi
Package com.sun.jdi.event

## Interface WatchpointEvent

- All Superinterfaces:
    `Event`, `Locatable`, `LocatableEvent`, `Mirror`
  All Known Subinterfaces:
    `AccessWatchpointEvent`, `ModificationWatchpointEvent`

      public interface WatchpointEvent
      extends LocatableEvent

  Notification of a field triggered event encountered by a thread in the target VM.
  Since:
    1.3
  See Also:
    `EventQueue`, `VirtualMachine`

- - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `Field` | `field()` | Returns the field that is about to be accessed/modified.
    `ObjectReference` | `object()` | Returns the object whose field is about to be accessed/modified.
    `Value` | `valueCurrent()` | Current value of the field.

    - ### Methods declared in interface com.sun.jdi.event.Event

      `request`

    - ### Methods declared in interface com.sun.jdi.Locatable

      `location`

    - ### Methods declared in interface com.sun.jdi.event.LocatableEvent

      `thread`

    - ### Methods declared in interface com.sun.jdi.Mirror

      `toString, virtualMachine`

- - ### Method Detail

    - #### field

          Field field()

      Returns the field that is about to be accessed/modified.
      Returns:
        a `Field` which mirrors the field in the target VM.
      Throws:
        `ObjectCollectedException` - may be thrown if class has been garbage collected.

    - #### object

          ObjectReference object()

      Returns the object whose field is about to be accessed/modified. Return null is the access is to a static field.
      Returns:
        a `ObjectReference` which mirrors the event's object in the target VM.

    - #### valueCurrent

          Value valueCurrent()

      Current value of the field.
      Throws:
        `ObjectCollectedException` - if object or class have been garbage collected.