Examples of ptolemy.actor.lib.hoc.Case

ptolemy.actor.lib.hoc.Case
An actor that executes one of several refinements depending on the value provided by the control port-parameter. To use this, look inside, add refinement cases, and populate them with computations. Each refinement is a composite that is required to have its own director. The name of the refinement is value that the control must have to execute this refinement. This actor always provides one case called "default". This is the refinement that is executed if no other refinement matches the control input. All refinements have the same ports, and adding ports to any one refinement or to the case actor itself results in identical ports being added to all refinements. @author Edward A. Lee @version $Id: Case.java,v 1.29 2007/12/07 06:26:06 cxh Exp $ @since Ptolemy II 5.2 @Pt.ProposedRating Yellow (eal) @Pt.AcceptedRating Red (reviewmoderator)

     *  dynamic actors.
     *  @exception IllegalActionException If the current states can not
     *  be emitted.
     */
    public void emitCurrentStates() throws IllegalActionException {
        Case container = (Case) getContainer();
        Actor actor = container.getCurrentRefinement();
        if (actor instanceof CTDynamicActor) {
            ((CTDynamicActor) actor).emitCurrentStates();
        }
    }

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    /** Restore the states of all the enabled refinements to the
     *  previously marked states.
     */
    public void goToMarkedState() throws IllegalActionException {
        Case container = (Case) getContainer();
        Actor actor = container.getCurrentRefinement();
        if (actor instanceof CTStatefulActor) {
            ((CTStatefulActor) actor).goToMarkedState();
        }
    }

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    /** Return true if the enabled refinements may produce events.
     *  @return True if the enabled refinements may produce events.
     */
    public boolean hasCurrentEvent() {
        Case container = (Case) getContainer();
        Actor actor = container.getCurrentRefinement();
        if (actor instanceof CTEventGenerator) {
            return ((CTEventGenerator) actor).hasCurrentEvent();
        }
        return false;
    }

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    /** Retun true if all the current refinement has accurate output with
     *  the current step size.
     *  @return True if the current refinement has accurate output.
     */
    public boolean isOutputAccurate() {
        Case container = (Case) getContainer();
        Actor refinement = container.getCurrentRefinement();
        if (refinement instanceof CTStepSizeControlActor) {
            return ((CTStepSizeControlActor) refinement).isOutputAccurate();
        }
        return true;
    }

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     *  current step size.
     *  @return True if all the refinements can resolve their states with the
     *  current step size.
     */
    public boolean isStateAccurate() {
        Case container = (Case) getContainer();
        Actor refinement = container.getCurrentRefinement();
        if (refinement instanceof CTStepSizeControlActor) {
            return ((CTStepSizeControlActor) refinement).isStateAccurate();
        }
        return true;
    }

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    }


    /** Make the current states of all the enabled refinements.
     */
    public void markState() {
        Case container = (Case) getContainer();
        Actor actor = container.getCurrentRefinement();
        if (actor instanceof CTStatefulActor) {
            ((CTStatefulActor) actor).markState();
        }
    }

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     *  If a refinement is not a CTStepSizeControlActor, then
     *  its prediction is Double.MAX_VALUE.
     *  @return The predicted next step size.
     */
    public double predictedStepSize() {
        Case container = (Case) getContainer();
        Actor refinement = container.getCurrentRefinement();
        if (refinement instanceof CTStepSizeControlActor) {
            return ((CTStepSizeControlActor) refinement).predictedStepSize();
        }
        return Double.MAX_VALUE;
    }

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     *  prefired.
     *  @exception IllegalActionException If the local directors of refinements
     *  throw it.
     */
    public boolean prefireDynamicActors() throws IllegalActionException {
        Case container = (Case) getContainer();
        Actor refinement = container.getCurrentRefinement();
        if (refinement instanceof CTTransparentDirector) {
            return ((CTTransparentDirector) refinement).prefireDynamicActors();
        }
        return true;
    }

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     *  value between current step size of the executive director and
     *  refined step size from enabled transition.
     *  @return The refined step size.
     */
    public double refinedStepSize() {
        Case container = (Case) getContainer();
        Actor refinement = container.getCurrentRefinement();
        if (refinement instanceof CTStepSizeControlActor) {
            return ((CTStepSizeControlActor) refinement).refinedStepSize();
        }
        CTGeneralDirector executiveDirector = getExecutiveCTGeneralDirector();
        return executiveDirector.getCurrentStepSize();

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ptolemy.actor.parameters.ParameterPort

ptolemy.actor.parameters.PortParameter

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