/** Execute the OPD using OPM execution semantics. */
@Override
protected void executing() {
createLocalVariables();
final Set<OPMProcess> initialProcesses = OPDExecutionAnalysis.calculateInitialProcesses(opdDag);
for (OPMProcess process : initialProcesses)
waitingInstances.add(createProcessInstance(process, process.getKind()));
Preconditions.checkState(waitingInstances.size() > 0, "Did not find any process to execute.");
while (!isStopped() && ((waitingInstances.size() > 0) || !executingInstances.isEmpty())) {
tryToExecuteWaitingInstances();
if (!executingInstances.isEmpty()) waitForInstanceToFinish();
}
}
public OPMObjectProcessDiagram createModel() {
OPMObjectProcessDiagram opd = factory.createOPMObjectProcessDiagram();
OPMObject object1 = factory.createOPMObject();
object1.setName("O1");
opd.getNodes().add(object1);
OPMObject object2 = factory.createOPMObject();
object2.setName("O2");
opd.getNodes().add(object2);
OPMProcess process = factory.createOPMProcess();
process.setName("P1");
opd.getNodes().add(process);
OPMLink link = factory.createOPMAgentLink();
link.setSource(object1);
link.setTarget(process);
opd.getLinks().add(link);
return opd;
}
private void putProcessesInWaitingList(final Set<OPMProcess> processes) {
for (OPMProcess process : processes) {
OPMProcessInstance processInstance = createProcessInstance(process, process.getKind());
waitingInstances.add(processInstance);
}
}