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;
}
