[jira] [Created] (FLINK-3060) Add possibility to integrate custom types into the TypeExtractor

["Timo Walther (JIRA)" <ji...@apache.org>]

Timo Walther created FLINK-3060:
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             Summary: Add possibility to integrate custom types into the TypeExtractor
                 Key: FLINK-3060
                 URL: https://issues.apache.org/jira/browse/FLINK-3060
             Project: Flink
          Issue Type: New Feature
          Components: Type Serialization System
            Reporter: Timo Walther
            Priority: Minor


As discussed in [FLINK-3002]. It would be nice if we could make custom type integration easier by defining an interface/static method that classes can implement to create their own type information. That gives users an easy extension point.

Custom integrated types need to be checked in `getForObject`, `getForClass` and `validateInput`. If we also want to support custom integrated types with generics `createTypeInfoWithTypeHierarchy` needs modifications, too.



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