javax.safetycritical

Class Frame

java.lang.Object

javax.safetycritical.Frame

@SCJAllowed
public final class Frame
extends java.lang.Object

The frames array represents the order in which event handlers are to be scheduled.
Each Frame contains a duration of the frame and a list of periodic handlers to be executed during that time.
Note that a Frame may have zero periodic handlers associated with them. This represents a period of time during which the CyclicExecutive is idle. Within each execution frame of the CyclicSchedule, the PeriodicEventHandler objects represented by the handlers array will be release in the order they appear within this array.
The object allocates and retains private shallow copies of the duration and handlers array within the same memory area as this.

Version:

1.2; - December 2013

Author:

Anders P. Ravn, Aalborg University, apr@cs.aau.dk,
Hans Søndergaard, VIA University College, Denmark, hso@via.dk

Relative_to_SCJ_Draft_Version_0.94:

- semantic issue: Negative duration. It is checked in the constructor.
- semantic issue: Null duration. It is checked in the constructor.

Constructor Summary

Constructors

Constructor and Description
Frame(RelativeTime duration, PeriodicEventHandler[] handlers) Constructor for a frame.

Method Summary

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Frame

@SCJAllowed
public Frame(RelativeTime duration,
                PeriodicEventHandler[] handlers)

Constructor for a frame.

Parameters:

duration - is a RelativeTime object.

handlers - is the list of periodic handlers.