We should consider to use the cast_type defined in the matching model to render attributes

[DonAurelio]

We rely on the cast_type defined in the model to render the variables and arguments in templates. @TApplencourt suggests enabling the user to change the :cast_type used for rendering with the one defined by the user in the matching model.

Model

:stream_classes:
...
  - :name: event_1
...
        :field_class:
          :type: integer_unsigned
          :cast_type: uint64_t

Matching model

:stream_classes:
...
  - :name: event_1
...
        :field_class:
          :type: integer_unsigned
          :cast_type: string

Some problems that may arise

• Should we use cast_type to match a field? If we use it we won't be able to change its value to another type.