Biliuta created AVRO-2934:
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Summary: Initialise all fields in a nested schema
Key: AVRO-2934
URL: https://issues.apache.org/jira/browse/AVRO-2934
Project: Apache Avro
Issue Type: Improvement
Components: java
Reporter: Biliuta
For testing purposes it would be nice to have a way to initialise all fields to
some value even if there is no default value specified in the schema. I noticed
that for schemas that are large and have a few levels of nesting it can get
quite ugly (creating all the required sub classes) when you want to instantiate
a random message to do some tests.
The possible data types in an avro schema are initialisable to some
default/random value and if this is not the value desired, it can be changed at
any time.
I did a short implementation using reflection that recursively goes through the
entire fields of a message but maybe an annotation included in the avro schema
(using javaAnnotation) would make more sense so that it is available only if
needed. The annotation could also include some options like default or random
value, overwrite existing non null members or not, ignore specific members or
types.
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