public <T> void submit(BackgroundJob<T> job) {
long id = lastId.incrementAndGet();
job.setId(id);
Future<T> future = service.submit(job);
job.setFuture(future);
backgroundJobs.add(job);
history.put(id, job);
}
public List<BackgroundJob> getRecentJobs() {
List<BackgroundJob> recent = Lists.newArrayListWithCapacity(backgroundJobs.size());
ListIterator<BackgroundJob> jobs = backgroundJobs.listIterator();
while (jobs.hasNext()) {
BackgroundJob job = jobs.next();
recent.add(job); // inactive jobs get to be returned once...
if (job.getFuture().isDone() || job.getFuture().isCancelled()) {
jobs.remove();
}
}
return recent;
}
@RequestMapping(value = "/rpc/svn/clean-working-directory", method = RequestMethod.POST)
public View cleanWorkingDirectory(
final HttpServletRequest request, @RequestParam(required = false) final String username) {
final BackgroundJob<Boolean> job = createCleanWorkingDirectoryJob(username);
jobManager.submit(job);
if (isAJAXRequest(request)) {
final JsonResponse<Map> response =
new JsonResponse<Map>(BackgroundJobRpcController.buildJobJson(job), true, job.getTitle());
return new JsonView(response);
} else {
// redirect to a status page for the job id
return new RedirectView("/proctor/rpc/jobs/list?id=" + job.getId());
}
}
private void runJob(BackgroundJob job) {
if (isCancelled()) {
return;
}
progressPane.changeLabel(this, job.getInfoString());
Future<Boolean> future = job.process();
while (!future.isDone()) {
try {
setProgress(job.getProgress());
if (isCancelled()) {
future.cancel(false);
}
Thread.sleep(500);
} catch (Exception e) {
LOG.error("Background worker error", e);
}
}
}
