protected int expireSubTasksWhoseSubmitterIsExpired() { // ideally we wouldn't have this; see comments on CHECK_SUBTASK_SUBMITTERS if (!brooklynProperties.getConfig(CHECK_SUBTASK_SUBMITTERS)) return 0; Collection<Task<?>> allTasks = executionManager.allTasksLive(); Collection<Task<?>> tasksToDelete = MutableList.of(); try { for (Task<?> task: allTasks) { if (!task.isDone()) continue; Task<?> submitter = task.getSubmittedByTask(); // if we've leaked, ie a subtask which is not a child task, // and the submitter is GC'd, then delete this also if (submitter!=null && submitter.isDone() && executionManager.getTask(submitter.getId())==null) { tasksToDelete.add(task); } } } catch (ConcurrentModificationException e) { // delete what we've found so far LOG.debug("Got CME inspecting aged tasks, with "+tasksToDelete.size()+" found for deletion: "+e); } for (Task<?> task: tasksToDelete) { executionManager.deleteTask(task); } return tasksToDelete.size(); }
if (executionManager.getTask(parent.getId())==null) {
@Test public void testGetTaskById() throws Exception { Task<?> t = new BasicTask<Void>(newNoop()); em.submit(MutableMap.of("tag", "A"), t); assertEquals(em.getTask(t.getId()), t); }