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Posted to dev@avro.apache.org by "Rich DiCroce (Jira)" <ji...@apache.org> on 2020/03/02 15:56:00 UTC

[jira] [Created] (AVRO-2767) Can't easily use Java annotations to set enum default

Rich DiCroce created AVRO-2767:
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             Summary: Can't easily use Java annotations to set enum default
                 Key: AVRO-2767
                 URL: https://issues.apache.org/jira/browse/AVRO-2767
             Project: Apache Avro
          Issue Type: Bug
          Components: java
    Affects Versions: 1.9.2
            Reporter: Rich DiCroce


1.9.0 introduced support for enum default values. There's currently not an easy way to set an enum's default value when using Java annotations:
 * AvroDefault cannot be applied to a class.
 * AvroMeta can be applied to a class, but has no effect on an enum class. Not sure if that's a bug or not. Even if it could, "default" is a reserved name so presumably that would cause an error.

The only solution I can find is to apply AvroSchema to the enum class and define everything, even though the only thing I want to set is the default.



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