[GitHub] nwangtw commented on issue #3055: Add custom operator support

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nwangtw commented on issue #3055: Add custom operator support
URL: https://github.com/apache/incubator-heron/pull/3055#issuecomment-437958979
 
 
   > @nwangtw can you please provide an example topology that uses the custom operator?
   Sure.
   
   > Also, isn't the point of the custom operator to provide some sort of compatibility with the "Storm" API? Instead of forcing users to copy their code to the corresponding "prepare" and "execute" methods in the custom operator, couldn't we just do something like CustomOperator(Bolt). So that the user that just use their existing spout or bolt implementation? and the CustomOperator is just a wrapper for bolts which allows them to be used in streamlet topologies.
   
   Not really in this step/PR.
   
   The goal of this step is to provide a way for users to write their own operators when needed. The low level Bolt is supported by previous PRs.
   
   
   

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