[switchyard-issues] [JBoss JIRA] Created: (SWITCHYARD-320) Improve sorting logic of fallback transformers where multiple unrelated transformers are resolved for a given type

[Tom Fennelly (JIRA)]

Improve sorting logic of fallback transformers where multiple unrelated transformers are resolved for a given type
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                 Key: SWITCHYARD-320
                 URL: https://issues.jboss.org/browse/SWITCHYARD-320
             Project: SwitchYard
          Issue Type: Enhancement
          Components: transformation
            Reporter: Tom Fennelly
            Assignee: Tom Fennelly
             Fix For: 0.2


At the moment, if unrelated fallback transformers are discovered (un-assignable types), the user gets an error and they need to manually add an explicit transformer to resolve.  With Camel in the mix and all of its converters, the likelihood of hitting this situation goes up a lot and becomes a PITA.

We can improve the sorting so as to take into account how far in the inheritance tree the incompatible types are from the target type, weighting in favor the type that is closer.

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