@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; }
@NotNull private static FSRecords.NameId[] persistAllChildren( @NotNull final VirtualFile file, final int id, @NotNull FSRecords.NameId[] current) { final NewVirtualFileSystem fs = replaceWithNativeFS(getDelegate(file)); String[] delegateNames = VfsUtil.filterNames(fs.list(file)); if (delegateNames.length == 0 && current.length > 0) { return current; } Set<String> toAdd = ContainerUtil.newHashSet(delegateNames); for (FSRecords.NameId nameId : current) { toAdd.remove(nameId.name.toString()); } final TIntArrayList childrenIds = new TIntArrayList(current.length + toAdd.size()); final List<FSRecords.NameId> nameIds = ContainerUtil.newArrayListWithCapacity(current.length + toAdd.size()); for (FSRecords.NameId nameId : current) { childrenIds.add(nameId.id); nameIds.add(nameId); } for (String newName : toAdd) { FakeVirtualFile child = new FakeVirtualFile(file, newName); FileAttributes attributes = fs.getAttributes(child); if (attributes != null) { int childId = createAndFillRecord(fs, child, id, attributes); childrenIds.add(childId); nameIds.add(new FSRecords.NameId(childId, FileNameCache.storeName(newName), newName)); } } FSRecords.updateList(id, childrenIds.toNativeArray()); setChildrenCached(id); return nameIds.toArray(new FSRecords.NameId[nameIds.size()]); }