code: EventHandler getService() {
          if (target != null) {
              return target;
          }
  
          // Look for the handler
          ComponentContext context = eventEngine.getComponentContext();
          if (context == null) {
              return null;
          }
          Object svc = context.locateService(referenceName, serviceReference);
  
          if (svc instanceof EventHandler) {
              // it was a websphere handler
              target = (EventHandler) svc;
          } else if (svc instanceof org.osgi.service.event.EventHandler) {
              target = new OSGiHandlerAdapter((org.osgi.service.event.EventHandler) svc);
          } //if svc == null target remains null
          return target;
      }
docs: Get the resolved <code>EventHandler</code> service instance.
  
  @return the resolved <code>EventHandler</code> service instance