Bryan Rosander created MINIFI-278:
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Summary: Single source of truth for ConfigSchema structure
Key: MINIFI-278
URL: https://issues.apache.org/jira/browse/MINIFI-278
Project: Apache NiFi MiNiFi
Issue Type: Improvement
Components: Command and Control
Reporter: Bryan Rosander
Motivation:
We currently have ConfigSchema implementations in both C++ and Java code and
will probably want a more compact binary format (Avro, Protobuf, etc) for
sending configurations over the wire.
Having many different hand-coded ways to represent the same functionality seems
tedious and error-prone.
One alternative:
Json file declaring the structure of the configuration objects as well as basic
metadata (type, default, required). This could be used to autogenerate the
Java code required to serialize and deserialize these objects to/from yaml as
well as the Avro or Protobuf schema and the glue code between the two.
This metadata could also be useful on the minifi-cpp side.
Pros:
Single source of truth
Less tedious copy/paste code
Automagically keep other formats in sync
Cons:
Custom code generation - higher barrier to entry in codegen module, code
generation isn't always a good idea
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