/**
* This is a little hacky, I'm not sure how to make this better when it's so late If a better
* implementation is clear please re-write
*
* <p>This method invokes the change listener which will create the view objects on the petri net
* tab
*
* @param propertyChangeListener
*/
private void initialiseNet(PetriNet net, PropertyChangeListener propertyChangeListener) {
for (Token token : net.getTokens()) {
PropertyChangeEvent changeEvent =
new PropertyChangeEvent(net, PetriNet.NEW_TOKEN_CHANGE_MESSAGE, null, token);
propertyChangeListener.propertyChange(changeEvent);
}
for (Place place : net.getPlaces()) {
PropertyChangeEvent changeEvent =
new PropertyChangeEvent(net, PetriNet.NEW_PLACE_CHANGE_MESSAGE, null, place);
propertyChangeListener.propertyChange(changeEvent);
}
for (Transition transition : net.getTransitions()) {
PropertyChangeEvent changeEvent =
new PropertyChangeEvent(net, PetriNet.NEW_TRANSITION_CHANGE_MESSAGE, null, transition);
propertyChangeListener.propertyChange(changeEvent);
}
for (Arc<? extends Connectable, ? extends Connectable> arc : net.getArcs()) {
PropertyChangeEvent changeEvent =
new PropertyChangeEvent(net, PetriNet.NEW_ARC_CHANGE_MESSAGE, null, arc);
propertyChangeListener.propertyChange(changeEvent);
}
for (Annotation annotation : net.getAnnotations()) {
PropertyChangeEvent changeEvent =
new PropertyChangeEvent(net, PetriNet.NEW_ANNOTATION_CHANGE_MESSAGE, null, annotation);
propertyChangeListener.propertyChange(changeEvent);
}
for (RateParameter rateParameter : net.getRateParameters()) {
PropertyChangeEvent changeEvent =
new PropertyChangeEvent(
net, PetriNet.NEW_RATE_PARAMETER_CHANGE_MESSAGE, null, rateParameter);
propertyChangeListener.propertyChange(changeEvent);
}
}
public static PetriNet convert(ConfigurableEPC baseEPC) {
HashMap<EPCFunction, Transition> functionActivityMapping;
HashMap<EPCConnector, Place> xorconnectorChoiceMapping;
// HV: Initialize the mappings.
functionActivityMapping = new HashMap<EPCFunction, Transition>();
xorconnectorChoiceMapping = new HashMap<EPCConnector, Place>();
// Check to use the weights if necessary
// HV: Add both mappings. On completion, these will be filledd.
PetriNet petrinet =
EPCToPetriNetConverter.convert(
baseEPC, new HashMap(), functionActivityMapping, xorconnectorChoiceMapping);
HashSet visible = new HashSet();
// HV: The next block is taken care of by the functionActivityMapping
// below.
/*
* Iterator it = petrinet.getTransitions().iterator(); while
* (it.hasNext()) { Transition t = (Transition) it.next(); if (t.object
* instanceof EPCFunction) { // if (t.getLogEvent() != null) { // Add
* transitions with LogEvent (i.e. referring to functions)
* visible.add(t); } }
*/
// HV: Prevent the places mapped onto from being reduced.
visible.addAll(functionActivityMapping.values());
visible.addAll(xorconnectorChoiceMapping.values());
Message.add(visible.toString(), Message.DEBUG);
Iterator it = petrinet.getPlaces().iterator();
while (it.hasNext()) {
Place p = (Place) it.next();
if (p.inDegree() * p.outDegree() == 0) {
// Add Initial and final places to visible, i.e. places that
// refer to in and output events
visible.add(p);
}
}
// Reduce the PetriNet with Murata rules, while keeping the visible ones
PetriNetReduction pnred = new PetriNetReduction();
pnred.setNonReducableNodes(visible);
HashMap pnMap = new HashMap(); // Used to map pre-reduction nodes to
// post-reduction nodes.
PetriNet reduced = pnred.reduce(petrinet, pnMap);
if (reduced != petrinet) {
// Update both mappings from pre-reduction nodes to post-reduction
// nodes.
HashMap<EPCFunction, Transition> newFunctionActivityMapping =
new HashMap<EPCFunction, Transition>();
for (EPCFunction function : functionActivityMapping.keySet()) {
Transition transition = (Transition) functionActivityMapping.get(function);
if (pnMap.keySet().contains(transition)) {
newFunctionActivityMapping.put(function, (Transition) pnMap.get(transition));
}
}
functionActivityMapping = newFunctionActivityMapping;
HashMap<EPCConnector, Place> newXorconnectorChoiceMapping =
new HashMap<EPCConnector, Place>();
for (EPCConnector connector : xorconnectorChoiceMapping.keySet()) {
Place place = (Place) xorconnectorChoiceMapping.get(connector);
if (pnMap.keySet().contains(place)) {
newXorconnectorChoiceMapping.put(connector, (Place) pnMap.get(place));
}
}
xorconnectorChoiceMapping = newXorconnectorChoiceMapping;
}
reduced.makeClusters();
// filter the \nunknown:normal
ArrayList<Transition> alTrans = reduced.getVisibleTasks();
for (int i = 0; i < alTrans.size(); i++) {
Transition t = alTrans.get(i);
String id = t.getIdentifier();
int idx = id.indexOf("\\nunknown:normal");
if (idx > 0) {
id = id.substring(0, idx);
}
// �˴������ֵ��ѯ�滻���е�label
String mappedId = htDict.get(id);
if (mappedId != null) {
t.setIdentifier(mappedId);
} else {
t.setIdentifier(id);
}
}
return reduced;
}