Harsh J created AVRO-1421:
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Summary: [ReflectData] Provide a way for parameterised types to be
nullable
Key: AVRO-1421
URL: https://issues.apache.org/jira/browse/AVRO-1421
Project: Avro
Issue Type: Improvement
Components: java
Affects Versions: 1.7.0
Reporter: Harsh J
Priority: Minor
Although possible with SpecificData (schema generated classes), the ReflectData
currently lacks a way to have a declaration such as
{code}java.util.List<String> myList;{code} to be able to generate a nullable
schema {code}{ "type": "array", "items": ["null", "string"] }{code} instead of
the current {code}{ "type": "array", "items": "string" }{code}.
There are {{@Union}} and {{@Nullable}} annotations available, but they cannot
be applied that to the above parameterised Collection declaration.
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