public static ProcessDefinition createMilestoneProcessDefinition() {
ProcessDefinition pd =
new ProcessDefinition(
new String[] {
"start-state start",
"fork fork",
"state b",
"milestone-node m",
"state c",
"state d",
"join join",
"end-state end"
},
new String[] {
"start --> fork",
"fork --m--> b",
"fork --d--> d",
"b --> m",
"m --> c",
"c --> join",
"d --> join",
"join --> end"
});
Node d = pd.getNode("d");
Delegation instantiatableDelegate = new Delegation(new MilestoneEvent("m", "../m"));
Event event = new Event(Event.EVENTTYPE_NODE_LEAVE);
d.addEvent(event);
event.addAction(new Action(instantiatableDelegate));
pd.addDefinition(new ContextDefinition());
return pd;
}
/**
* during instrumentation, you can: 1) extract extra simulation information from the process xml
* and store it in the simulation definition 2) add event listeners to the process elements in
* processDefinition 3) modify the whole processDefinition as you want
*/
public void instrument() {
Element rootElement = super.document.getRootElement();
SimulationDefinition simulationDefinition = getSimulationDefinition();
/*
* read information of resource pools
*/
Iterator poolElementIter = rootElement.elementIterator("resource-pool");
while (poolElementIter.hasNext()) {
Element resourcePoolElement = (Element) poolElementIter.next();
String poolName = resourcePoolElement.attributeValue("name");
String poolSizeText = resourcePoolElement.attributeValue("pool-size");
Integer poolSize = new Integer(poolSizeText);
Double costPerTimeUnit = readCostPerTimeUnit(resourcePoolElement);
simulationDefinition.addResourcePool(poolName, poolSize, costPerTimeUnit);
}
/*
* swimlanes can serve as resource pools
*/
Iterator swimlaneElementIter = rootElement.elementIterator("swimlane");
while (swimlaneElementIter.hasNext()) {
Element swimlaneElement = (Element) swimlaneElementIter.next();
if (swimlaneElement.attributeValue("pool-size") != null) {
String poolName = swimlaneElement.attributeValue("name");
String poolSizeText = swimlaneElement.attributeValue("pool-size");
Integer poolSize = new Integer(poolSizeText);
Double costPerTimeUnit = readCostPerTimeUnit(swimlaneElement);
simulationDefinition.addResourcePool(poolName, poolSize, costPerTimeUnit);
}
}
/*
* read information of distributions
*/
Iterator distributionIterator = rootElement.elementIterator("distribution");
while (distributionIterator.hasNext()) {
Element distributionElement = (Element) distributionIterator.next();
DistributionDefinition distDef = ExperimentReader.readDistribution(distributionElement);
simulationDefinition.addDistribution(distDef);
}
/*
* Events
*/
// listen to all task assign events
Event taskAssignEvent = new Event(Event.EVENTTYPE_TASK_CREATE);
processDefinition.addEvent(taskAssignEvent);
taskAssignEvent.addAction(new StartTaskAndPlanCompletion());
// listen to all process start events to record count
Event processStartEvent = new Event(Event.EVENTTYPE_BEFORE_SIGNAL);
processDefinition.getStartState().addEvent(processStartEvent);
processStartEvent.addAction(new ProcessStartAction());
// listen to all process end events to record cycle times of the process
Event processEndEvent = new Event(Event.EVENTTYPE_PROCESS_END);
processDefinition.addEvent(processEndEvent);
processEndEvent.addAction(new ProcessEndAction());
/*
* distribution usages
*/
// process start distribution
simulationDefinition.setStartDistribution(rootElement.attributeValue("start-distribution"));
}