Andrew Otto created AVRO-1601:
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Summary: Subclasses of Avro generated SpecificRecordBase classes
should be considered 'Specific classes'.
Key: AVRO-1601
URL: https://issues.apache.org/jira/browse/AVRO-1601
Project: Avro
Issue Type: Improvement
Components: java
Reporter: Andrew Otto
Priority: Minor
The createSchema() method of SpecificData class getDeclaredField("SCHEMA$") to
check if the class is a valid 'Specific' Avro schema class. It'd be nice if
generated classes could be extended so convenience methods could be added
without modifying the generated class.
E.g. I'd like to convert XML fragments into Avro records, and it would be nice
if my record abstraction class contained the logic to do this, rather than
keeping it in some utility class elsewhere. I'd like to extend my generated
Avro schema class to add this functionality, but if I do so I can't call
getSchema() on my record objects.
To do this, I think the check for the SCHEMA$ field should look at superclasses
as well. Perhaps FieldUtils.getAllFieldList()[1] would do?
[1]
http://commons.apache.org/proper/commons-lang/apidocs/org/apache/commons/lang3/reflect/FieldUtils.html#getAllFieldsList%28java.lang.Class%29
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