Exemplo n.º 1
0
  public Queue<FileSystemEvent> execute(Queue<FileSystemEvent> events) throws ActionException {
    try {
      listenerForwarder.started();

      Queue<FileSystemEvent> forwardingEvents = new LinkedList<FileSystemEvent>();

      int numEvents = events.size();
      for (int i = 0; i < numEvents; i++) {
        FileSystemEvent event = events.remove();

        // //
        // data flow configuration and dataStore name must not be null.
        // //
        if (getConfiguration() == null) {
          LOGGER.error("Conf is null.");
          throw new IllegalStateException("Conf is null.");
        }

        // final String configId = getConfiguration().getName();

        listenerForwarder.setTask("Processing event " + event);

        // FORWARDING EVENTS
        for (String flowId : ((SplittingConfiguration) getConfiguration()).getServiceIDs()) {
          FileBasedFlowManager flow =
              CatalogHolder.getCatalog().getResource(flowId, FileBasedFlowManager.class);
          if (flow != null) {
            flow.postEvent(event);
          } else {
            LOGGER.warn("Trying to forward event to flow " + flowId + " but it was unavailable!");
          }
        }

        forwardingEvents.add(event);
      }

      listenerForwarder.completed();
      return forwardingEvents;
    } catch (Exception t) {
      LOGGER.error(t.getLocalizedMessage(), t); // no need to log, we're
      // rethrowing it
      listenerForwarder.failed(t);
      throw new ActionException(this, t.getMessage(), t);
    }
  }
  /*
   * (non-Javadoc)
   *
   * @see org.springframework.web.servlet.mvc.AbstractController#handleRequestInternal
   * (javax.servlet .http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
   */
  @Override
  protected ModelAndView handleRequestInternal(
      HttpServletRequest request, HttpServletResponse response) throws Exception {
    Catalog catalog = (Catalog) getApplicationContext().getBean("catalog");

    String fmId = request.getParameter("fmId");

    ModelAndView mav = new ModelAndView("flowinfo");
    FileBasedFlowManager fm = catalog.getResource(fmId, FileBasedFlowManager.class);

    mav.addObject("flowManager", fm);

    Set<BaseEventConsumer> tree = fm.getEventConsumers();

    mav.addObject("ecList", tree.toArray());

    return mav;
  }
  @Override
  protected ModelAndView handleRequestInternal(
      HttpServletRequest request, HttpServletResponse response) throws Exception {

    catalog = (Catalog) getApplicationContext().getBean("catalog");

    final String fmId = request.getParameter(FLOW_MANAGER_ID_KEY);
    final String ecId = request.getParameter(CONSUMER_ID_KEY);

    if (fmId == null || fmId.isEmpty()) {
      throw new IllegalArgumentException("fmId parameter is null or empty");
    }
    if (ecId == null || ecId.isEmpty()) {
      throw new IllegalArgumentException("ecId parameter is null or empty");
    }

    final ModelAndView mav = new ModelAndView(MAV_NAME_KEY);
    mav.addObject("flowManagers", catalog.getFlowManagers(FileBasedFlowManager.class));

    final FileBasedFlowManager fm = catalog.getResource(fmId, FileBasedFlowManager.class);
    handleFlowManager(mav, fm);

    final EventConsumer consumer = fm.getConsumer(ecId);
    handleConsumer(mav, consumer);

    // final Collection<FileBasedEventConsumer>
    // consumers=fm.getEventConsumers();
    // final Iterator<FileBasedEventConsumer> it=consumers.iterator();
    // while (it.hasNext()){
    // final FileBasedEventConsumer consumer=it.next();
    // if (consumer == null)
    // {
    // mav.addObject("error", "Flow instance '" + consumer.getId() +
    // "' not found");
    // } else {
    // runStuff(mav, consumer);
    // }
    //
    // }

    return mav;
  }