How to use

Activate

in

org.kie.internal.runtime.cdi

/**
 * Dedicated <code>WorkItemHandlerProducer</code> to register <code>AsyncWorkItemHandler</code>
 * in CDI environment when using deployment services (jbpm-kie-services).
 *
 */
@Activate(whenAvailable="org.jbpm.runtime.manager.impl.RuntimeManagerFactoryImpl")
@ApplicationScoped
public class AsyncHandlerProducer implements WorkItemHandlerProducer {

  @Override
  public Map<String, WorkItemHandler> getWorkItemHandlers(String identifier, Map<String, Object> params) {
    Map<String, WorkItemHandler> handlers = new HashMap<String, WorkItemHandler>();
    ExecutorService executorService = (ExecutorService) params.get("executorService");
    if (executorService != null) {
      handlers.put("async",new AsyncWorkItemHandler(executorService, PrintOutCommand.class.getName()));
    }
    
    return handlers;
  }

}

<X> void processAnnotatedType(@Observes final @WithAnnotations(Activate.class) ProcessAnnotatedType<X> pat) {
  final AnnotatedType<X> annotatedType = pat.getAnnotatedType();
  final Class<X> javaClass = annotatedType.getJavaClass();
  Activate veto = javaClass.getAnnotation(Activate.class);
  String whenAvailable = veto.whenAvailable();
  String whenNotAvailable = veto.whenNotAvailable();
  if (isNotEmpty(whenAvailable) && !isAvailable(whenAvailable, true)) {
    // veto bean in case whenAvailable is not present
    pat.veto();
  }
  if (isNotEmpty(whenNotAvailable) && isAvailable(whenNotAvailable, false)) {
    // veto bean in case whenNotAvailable is present
    pat.veto();
  }
}