[jira] [Created] (ARROW-6194) [Java] Make DictionaryEncoder non-static making it easy to extend and reuse

[Ji Liu (JIRA)]

Ji Liu created ARROW-6194:
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             Summary: [Java] Make DictionaryEncoder non-static making it easy 
to extend and reuse
                 Key: ARROW-6194
                 URL: https://issues.apache.org/jira/browse/ARROW-6194
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Java
            Reporter: Ji Liu
            Assignee: Ji Liu


As discussed in [https://github.com/apache/arrow/pull/4994].

Current static DictionaryEncoder has some limitation for extension and reuse.

Slightly change the APIs and migrate static method to object based approach.



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