[GitHub] fhueske opened a new pull request #6527: [hotfix] [docs] Fix ProcessWindowFunction code snippets.

[GitBox <gi...@apache.org>]

fhueske opened a new pull request #6527: [hotfix] [docs] Fix ProcessWindowFunction code snippets.
URL: https://github.com/apache/flink/pull/6527
 
 
   ## What is the purpose of the change
   
   - Fix the code snippets for the `ProcessWindowFunction` in the documentation
   
   ## Brief change log
   
   Problems with the examples:
   
   - Java: Tuple does not take generic parameters (`Tuple<String, Long>`)
   - Java: `process()` method must be `public`
   - `MyProcessWindowFunction` expects `String` key, but no key extractor is used
   - `MyProcessWindowFunction` expects `TimeWindow`, but window assigner is not defined
   
   ## Verifying this change
   
   copy and paste code in an IDE.
   
   ## Does this pull request potentially affect one of the following parts:
   
   No
   
   ## Documentation
   
   Fix for the docs

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