private void _inferFiringCounts(SymbolicScheduleElement element, String expression)
throws IllegalActionException, NameDuplicationException {
String recursiveExpression;
if (expression == null) {
recursiveExpression = element.expression();
} else {
recursiveExpression = expression + "*" + element.expression();
}
if (element instanceof SymbolicFiring) {
SymbolicFiring firing = (SymbolicFiring) element;
Entity actor = (Entity) firing.getActor();
Variable parameter = (Variable) actor.getAttribute("firingsPerIteration");
if (parameter == null) {
parameter = new Parameter(actor, "firingsPerIteration");
parameter.setVisibility(Settable.NOT_EDITABLE);
parameter.setPersistent(false);
}
parameter.setExpression(recursiveExpression);
} else if (element instanceof SymbolicSchedule) {
SymbolicSchedule schedule = (SymbolicSchedule) element;
for (Iterator i = schedule.iterator(); i.hasNext(); ) {
_inferFiringCounts((SymbolicScheduleElement) i.next(), recursiveExpression);
}
} else {
throw new RuntimeException("Unexpected Schedule Element");
}
}
/**
* Construct an attribute with the given name contained by the specified container. The container
* argument must not be null, or a NullPointerException will be thrown. This attribute will use
* the workspace of the container for synchronization and version counts. If the name argument is
* null, then the name is set to the empty string. Increment the version of the workspace.
*
* @param container The container.
* @param name The name of this attribute.
* @exception IllegalActionException If the attribute is not of an acceptable class for the
* container, or if the name contains a period.
* @exception NameDuplicationException If the name coincides with an attribute already in the
* container.
*/
public IDAttribute(Entity container, String name)
throws IllegalActionException, NameDuplicationException {
super(container, name);
// name for the model
this.name = new StringAttribute(this, "name");
this.name.setExpression(container.getName());
// This should not be persistent, in case the name changes outside
// of this parameter.
this.name.setPersistent(false);
// This should not be editable, since the name is set by saveAs.
this.name.setVisibility(Settable.NOT_EDITABLE);
// FIXME: Need to listen for changes to the name.
// How to do that?
// The current design is also a solution in that the name of this
// attribute and model must be consistent with the name of the file.
// boolean isClass = false;
// if (container instanceof InstantiableNamedObj) {
/* isClass = */ ((InstantiableNamedObj) container).isClassDefinition();
// }
String className = container.getClassName();
baseClass = new StringAttribute(this, "baseClass");
baseClass.setExpression(className);
// This should not be persistent, because the base class
// is set already, generally.
baseClass.setPersistent(false);
// Cannot change the base class.
baseClass.setVisibility(Settable.NOT_EDITABLE);
URIAttribute modelURI = (URIAttribute) container.getAttribute("_uri", URIAttribute.class);
if (modelURI != null) {
StringAttribute definedIn = new StringAttribute(this, "definedIn");
definedIn.setExpression(modelURI.getURI().toString());
definedIn.setPersistent(false);
definedIn.setVisibility(Settable.NOT_EDITABLE);
}
// The date when this model is created.
// Actually, it is the date when this attribute is created.
// We assume that when the model is created, this attribute
// is also created.
// We may force this to happen.:-) Further more, we may force
// that only the top level contains an model ID.
created = new StringAttribute(this, "created");
created.setExpression(DateFormat.getDateTimeInstance().format(new Date()));
created.setVisibility(Settable.NOT_EDITABLE);
created.setPersistent(true);
// The date when this model is modified.
// Everytime the model gets modified, the updateContent method
// defined below is called and the lastUpdated attribute gets
// updated.
lastUpdated = new StringAttribute(this, "lastUpdated");
_updateDate();
lastUpdated.setVisibility(Settable.NOT_EDITABLE);
lastUpdated.setPersistent(true);
// The name of the author who creates the model.
// This attribute can not be changed so that the
// intellectual property (IP) is preserved.
author = new StringAttribute(this, "author");
author.setVisibility(Settable.NOT_EDITABLE);
String userName = null;
try {
userName = StringUtilities.getProperty("user.name");
} catch (Exception ex) {
System.out.println(
"Warning, in IDAttribute, failed to read "
+ "'user.name' property (-sandbox or applets always cause "
+ "this)");
}
if (userName != null) {
author.setExpression(userName);
}
author.setPersistent(true);
// The names of the contributors who modify the model.
contributors = new StringAttribute(this, "contributors");
String contributorsNames = "";
contributors.setExpression(contributorsNames);
author.setPersistent(true);
// Hide the name of this ID attribute.
SingletonParameter hide = new SingletonParameter(this, "_hideName");
hide.setToken(BooleanToken.TRUE);
hide.setVisibility(Settable.EXPERT);
BoxedValuesIcon icon = new BoxedValuesIcon(this, "_icon");
icon.setPersistent(false);
// No need to display any parameters when the "_showParameters"
// preference asks for such display because presumably all the
// parameters are reflected in the visual display already.
Parameter hideAllParameters = new Parameter(this, "_hideAllParameters");
hideAllParameters.setVisibility(Settable.EXPERT);
hideAllParameters.setExpression("true");
}