Kalle Niemitalo created AVRO-3614:
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Summary: Remove System.CodeGen dependency from main library
Key: AVRO-3614
URL: https://issues.apache.org/jira/browse/AVRO-3614
Project: Apache Avro
Issue Type: Wish
Components: csharp
Affects Versions: 1.11.1
Reporter: Kalle Niemitalo
The Apache.Avro package on NuGet depends on the System.CodeDom package. I'd
like this dependency to be removed so that I wouldn't have to distribute
System.CodeDom with my applications, which encode and decode Avro data but do
not generate source code at run time.
This would presumably require moving the code generation features from the
Apache.Avro package to a new Apache.Avro.CodeGen package, which would be a
breaking change.
In Avro 1.11.1, System.CodeDom is used by the Avro.CodeGen and Avro.CodeGenUtil
classes. From those classes, only the CodeGen.GetNullableType,
CodeGenUtil.UnMangle, and CodeGen.getType methods are used by the rest of the
library. The CodeGen.getType method also depends on the CodeGenException class
and the CodeGenUtil.Mangle method. None of those methods depend on
System.CodeDom, so they could be moved to a new static class (perhaps named
something like TypeUtil or ReflectionUtil) and kept in the main library.
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