Je tente d'exécuter un processus asynchrone. Sur la base de cet exemple: http://tomee.apache.org/examples-trunk/async-methods/README.htmljava @Asynchronous Méthodes: pas d'exécution asynchrone
Mais la méthode addWorkflow(Workflow workflow)
renverrons seulement lorsque le code dans run(Workflow workflow)
est entièrement terminée.
Puis, quand il retourne et result.get();
est appelé, je vais l'exception:
Causée par: java.lang.IllegalStateException: Cet objet ne représente pas un acutal avenir
Toute suggestion que J'ai manqué?
@Singleton
public class WorkflowProcessor {
@EJB
private WorkflowManager workflowManager;
private final static Logger log = Logger.getLogger(WorkflowProcessor.class.getName());
public void runWorkflows(Collection<Workflow> workflows) throws Exception{
final long start = System.nanoTime();
final long numberOfWorkflows = workflows.size();
Collection<Future<Workflow>> asyncWorkflows = new ArrayList<>();
for(Workflow workflow : workflows){
Future<Workflow> w = addWorkflow(workflow);
asyncWorkflows.add(w);
}
log.log(Level.INFO, "workflow jobs added {0}", new Object[]{numberOfWorkflows});
for(Future<Workflow> result : asyncWorkflows){
result.get();
}
final long total = TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start);
log.log(Level.INFO, "WorkflowProcessor->runWorkflows {0} workflows completed in:{1}", new Object[]{numberOfWorkflows, total});
}
@Asynchronous
@Lock(LockType.READ)
@AccessTimeout(-1)
private Future<Workflow> addWorkflow(Workflow workflow){
run(workflow);
return new AsyncResult<Workflow>(workflow);
}
private void run(Workflow workflow){
this.workflowManager.runWorkflow(workflow);
}