/**
* Read the control token input, transfer input tokens, and invoke prefire() of the selected
* refinement.
*
* @exception IllegalActionException If there is no director, or if the director's prefire()
* method throws it, or if this actor is not opaque.
*/
public boolean prefire() throws IllegalActionException {
if (_debugging) {
_debug("Calling prefire()");
}
try {
_workspace.getReadAccess();
super.prefire();
Case container = (Case) getContainer();
// Read from port parameters, including the control port.
Iterator portParameters = container.attributeList(PortParameter.class).iterator();
while (portParameters.hasNext()) {
PortParameter portParameter = (PortParameter) portParameters.next();
portParameter.update();
}
String controlValue = container.control.getToken().toString();
ComponentEntity refinement = container.getEntity(controlValue);
if (!(refinement instanceof Refinement)) {
refinement = container._default;
}
container._current = (Refinement) refinement;
// Transfer input tokens.
for (Iterator inputPorts = container.inputPortList().iterator();
inputPorts.hasNext() && !_stopRequested; ) {
IOPort port = (IOPort) inputPorts.next();
if (!(port instanceof ParameterPort)) {
Receiver[][] insideReceivers = port.deepGetReceivers();
for (int i = 0; i < port.getWidth(); i++) {
if (port.hasToken(i)) {
Token token = port.get(i);
if ((insideReceivers != null) && (insideReceivers[i] != null)) {
for (int j = 0; j < insideReceivers[i].length; j++) {
if (insideReceivers[i][j].getContainer().getContainer() == refinement) {
insideReceivers[i][j].put(token);
if (_debugging) {
_debug(
getFullName(),
"transferring input from "
+ port.getFullName()
+ " to "
+ (insideReceivers[i][j]).getContainer().getFullName());
}
}
}
}
}
}
}
}
if (_stopRequested) {
return false;
}
return container._current.prefire();
} finally {
_workspace.doneReading();
}
}
