示例#1
0
  @NotNull
  private static List<VFileEvent> validateEvents(@NotNull List<VFileEvent> events) {
    final List<EventWrapper> deletionEvents = ContainerUtil.newArrayList();
    for (int i = 0, size = events.size(); i < size; i++) {
      final VFileEvent event = events.get(i);
      if (event instanceof VFileDeleteEvent && event.isValid()) {
        deletionEvents.add(new EventWrapper((VFileDeleteEvent) event, i));
      }
    }

    final TIntHashSet invalidIDs;
    if (deletionEvents.isEmpty()) {
      invalidIDs = EmptyIntHashSet.INSTANCE;
    } else {
      ContainerUtil.quickSort(deletionEvents, DEPTH_COMPARATOR);

      invalidIDs = new TIntHashSet(deletionEvents.size());
      final Set<VirtualFile> dirsToBeDeleted = new THashSet<VirtualFile>(deletionEvents.size());
      nextEvent:
      for (EventWrapper wrapper : deletionEvents) {
        final VirtualFile candidate = wrapper.event.getFile();
        VirtualFile parent = candidate;
        while (parent != null) {
          if (dirsToBeDeleted.contains(parent)) {
            invalidIDs.add(wrapper.id);
            continue nextEvent;
          }
          parent = parent.getParent();
        }

        if (candidate.isDirectory()) {
          dirsToBeDeleted.add(candidate);
        }
      }
    }

    final List<VFileEvent> filtered = new ArrayList<VFileEvent>(events.size() - invalidIDs.size());
    for (int i = 0, size = events.size(); i < size; i++) {
      final VFileEvent event = events.get(i);
      if (event.isValid() && !(event instanceof VFileDeleteEvent && invalidIDs.contains(i))) {
        filtered.add(event);
      }
    }
    return filtered;
  }
  private void assertEvent(Class<? extends VFileEvent> type, String... paths) {
    List<VFileEvent> events = getEvents(type.getSimpleName(), null);
    assertEquals(events.toString(), paths.length, events.size());

    Set<String> pathSet =
        ContainerUtil.map2Set(
            paths,
            new Function<String, String>() {
              @Override
              public String fun(final String path) {
                return FileUtil.toSystemIndependentName(path);
              }
            });

    for (VFileEvent event : events) {
      assertTrue(event.toString(), type.isInstance(event));
      VirtualFile eventFile = event.getFile();
      assertNotNull(event.toString(), eventFile);
      assertTrue(
          eventFile + " not in " + Arrays.toString(paths), pathSet.remove(eventFile.getPath()));
    }
  }