gov.nasa.arc.brahms.vm.rt.events
Class FrameStatusEvent

java.lang.Object
  java.util.EventObject
      gov.nasa.arc.brahms.vm.rt.events.FrameStatusEvent

All Implemented Interfaces:

java.io.Serializable

public class FrameStatusEvent
extends java.util.EventObject

The FrameStatusEvent captures a status change for a work or thoughtframe. The event is distributed to all the frame status listeners interested in status changes for the frame context specified in this event as the source.

Version:

9 November 1999

Author:

Ron van Hoof

See Also:

IFrameStatusListener, Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

FrameStatusEvent(VMFrameCtx source, int oldStatus, int newStatus)
Constructor, creates a new status event for the specified frame indicating the status change.

Method Summary

VMFrameCtx	getFrame() Returns the frame context for which this status event is created.
int	getNewStatus() Returns the frame context's new or current status.
int	getOldStatus() Returns the frame context's old or previous status.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FrameStatusEvent

public FrameStatusEvent(VMFrameCtx source,
                        int oldStatus,
                        int newStatus)

Constructor, creates a new status event for the specified frame indicating the status change.

Parameters:

source - the frame context for which the status changed

oldStatus - the frame's previous status

newStatus - the frame's new current status

See Also:

IRuntimeConstants.UNAVAILABLE, IRuntimeConstants.AVAILABLE, IRuntimeConstants.ACTIVE, IRuntimeConstants.INTERRUPTED, IRuntimeConstants.IMPASSED, IRuntimeConstants.ABORTED, IRuntimeConstants.COMPLETED, IRuntimeConstants.ENDED

Method Detail

getFrame

public final VMFrameCtx getFrame()

Returns the frame context for which this status event is created.

Returns:

VMFrameCtx the frame context that changed status

getOldStatus

public final int getOldStatus()

Returns the frame context's old or previous status.

Returns:

int the old status

See Also:

IRuntimeConstants.UNAVAILABLE, IRuntimeConstants.AVAILABLE, IRuntimeConstants.ACTIVE, IRuntimeConstants.INTERRUPTED, IRuntimeConstants.IMPASSED, IRuntimeConstants.ABORTED, IRuntimeConstants.COMPLETED, IRuntimeConstants.ENDED

getNewStatus

public final int getNewStatus()

Returns the frame context's new or current status.

Returns:

int the new status

See Also:

IRuntimeConstants.UNAVAILABLE, IRuntimeConstants.AVAILABLE, IRuntimeConstants.ACTIVE, IRuntimeConstants.INTERRUPTED, IRuntimeConstants.IMPASSED, IRuntimeConstants.ABORTED, IRuntimeConstants.COMPLETED, IRuntimeConstants.ENDED