- checkState(root != null, "A modify operation (put, merge or delete) must be performed prior to an exists operation");
- return Futures.makeChecked(Futures.transform(read(store, path),
- (Function<Optional<NormalizedNode<?, ?>>, Boolean>) Optional::isPresent),
- ReadFailedException.MAPPER);
+ checkState(root != null,
+ "A modify operation (put, merge or delete) must be performed prior to an exists operation");
+ return Futures.makeChecked(Futures.transform(read(store, path), Optional::isPresent,
+ MoreExecutors.directExecutor()), ReadFailedException.MAPPER);