private void doUpdate(@Nullable Runnable onComplete) {
    try {
      List<Task> issues =
          getIssuesFromRepositories(
              null, myConfig.updateIssuesCount, 0, false, new EmptyProgressIndicator());
      if (issues == null) return;

      synchronized (myIssueCache) {
        myIssueCache.clear();
        for (Task issue : issues) {
          myIssueCache.put(issue.getId(), issue);
        }
      }
      // update local tasks
      synchronized (myTasks) {
        for (Map.Entry<String, LocalTask> entry : myTasks.entrySet()) {
          Task issue = myIssueCache.get(entry.getKey());
          if (issue != null) {
            entry.getValue().updateFromIssue(issue);
          }
        }
      }
    } finally {
      if (onComplete != null) {
        onComplete.run();
      }
      myUpdating = false;
    }
  }
 public void updateIssues(final @Nullable Runnable onComplete) {
   TaskRepository first =
       ContainerUtil.find(
           getAllRepositories(),
           new Condition<TaskRepository>() {
             public boolean value(TaskRepository repository) {
               return repository.isConfigured();
             }
           });
   if (first == null) {
     myIssueCache.clear();
     if (onComplete != null) {
       onComplete.run();
     }
     return;
   }
   myUpdating = true;
   if (ApplicationManager.getApplication().isUnitTestMode()) {
     doUpdate(onComplete);
   } else {
     ApplicationManager.getApplication()
         .executeOnPooledThread(
             new Runnable() {
               public void run() {
                 doUpdate(onComplete);
               }
             });
   }
 }