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Posted to issues@spark.apache.org by "Marcelo Vanzin (JIRA)" <ji...@apache.org> on 2014/12/10 22:54:12 UTC

[jira] [Created] (SPARK-4819) Remove Guava's "Optional" from public API

Marcelo Vanzin created SPARK-4819:
-------------------------------------

             Summary: Remove Guava's "Optional" from public API
                 Key: SPARK-4819
                 URL: https://issues.apache.org/jira/browse/SPARK-4819
             Project: Spark
          Issue Type: Task
          Components: Spark Core
    Affects Versions: 1.2.0
            Reporter: Marcelo Vanzin


Filing this mostly so this isn't forgotten. Spark currently exposes Guava types in its public API (the {{Optional}} class is used in the Java bindings). This makes it hard to properly hide Guava from user applications, and makes mixing different Guava versions with Spark a little sketchy (even if things should work, since those classes are pretty simple in general).

Since this changes the public API, it has to be done in a release that allows such breakages. But it would be nice to at least have a transition plan for deprecating the affected APIs.



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