[GitHub] [hop] hansva opened a new issue, #2368: [Task]: (DOC) improve userdefinedjavaclass

["hansva (via GitHub)" <gi...@apache.org>]

hansva opened a new issue, #2368:
URL: https://github.com/apache/hop/issues/2368

   ### What needs to happen?
   
   Migration: https://issues.apache.org/jira/browse/HOP-4042
   
   https://hop.apache.org/manual/next/pipeline/transforms/userdefinedjavaclass.html is very sketchy.
   
   Questions I have:
   
   - if it's a class, which method(s) is (are) called to do the work?
   - how do these methods access the input fields?
   - Provide an example of such custom class
   
   Questions on Options:
   
   - "Info transforms": shouldn't this be "Source transforms" or "Input transforms"?
   - "Info transforms" and "Target transforms": can both of these be multiple? If so, explain it
   - What is "Tag" in relation to the Input and Target transforms?
   - "Info transforms" and "Target transforms": the "userdefinedjavaclass" transform is placed on the canvas and connected to some transforms. Then why are these included in the Options?
   - "Test class": what exactly happens?
   
   ### Issue Priority
   
   Priority: 3
   
   ### Issue Component
   
   Component: Documentation


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