[jira] [Created] (SAMZA-914) Implement a composable operator APIs for direct programming in Java

["Yi Pan (Data Infrastructure) (JIRA)" <ji...@apache.org>]

Yi Pan (Data Infrastructure) created SAMZA-914:
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             Summary: Implement a composable operator APIs for direct programming in Java
                 Key: SAMZA-914
                 URL: https://issues.apache.org/jira/browse/SAMZA-914
             Project: Samza
          Issue Type: Bug
            Reporter: Yi Pan (Data Infrastructure)


In the process of design/refining the physical operator layer for SAMZA-552, there is a need to design/implement a fluent programming APIs s.t. users may be able to directly write Java programs using the physical operators.

The programming APIs would serve as an intermediate layer that serves the following purposes:

# Users can choose to directly use physical operators (like window/join/filter etc.) in their Java code
# The SQL parser and engine can use this API to construct the physical operators and the execution DAG.



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