[GitHub] [beam] robertwb commented on pull request #21782: Add withResources to Java External transform

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robertwb commented on PR #21782:
URL: https://github.com/apache/beam/pull/21782#issuecomment-1151756221

   I don't think this is the right direction either. If an external transform needs a certain set of files, that transform should be responsible for making the declaration, not the callee (and especially, it seems, the callee from another language). 
   
   I think the correct solution is to us resource hints (e.g. https://beam.apache.org/documentation/runtime/resource-hints/). There's also the issue of finding the resources at their new locations (on the worker). Presumably one would ask for a resource (e.g. file) to be staged against some kind of identifier, and on the worker one could use this identifier to look up the copied resource in its final destination. 


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