Github user achristianson commented on the issue: https://github.com/apache/nifi-minifi-cpp/pull/181 This looks great. My only critique is that FilesystemUtils is used in a stateful way (presumably just to keep a cache of previous unique files?) I think keeping it entirely stateless would be preferable. Looking at the same issue, keeping a stateful instance of "utilities" isn't very meaningful. If part of it really needs to be stateful, I would consider making a nested class in FilesystemUtils i.e. FilesystemUtils::UniqueFileGenerator. Overall the change is great and removes a huge dependency without adding a lot of complexity.
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