srinipunuru opened a new pull request #911: Support for types in Samza SQL UDF URL: https://github.com/apache/samza/pull/911 This PR adds following capabilities to UDF 1. Adds typed UDFS : Previously samza sql udfs were un-typed all the params used to be Objects, Although this allowed flexibility of polymorphism without having to implement multiple methods. This was fragile. We couldn't do validations during initialization phase. This change adds types to the UDFs. 3. Decouples name of the method from udf: previously all udf methods have to be named "execute". Now the Udfs methods can be named whatever the developer prefers. The UDFMethods are identified using the annotation. 2. Adds polymorphism to UDFs : Adds capability where you can have mulitple methods for the same UDF name. i.e. multiple methods within the class can be annotated as SamzaSQLUDFMethod.
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