Is there is a way to merge enums into one flat enum, or list? #1320

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1. hkosova commented on Aug 15, 2017

   

   hkosova

   on Aug 15, 2017

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   YAML does not support this.

   where the value can be from one of three different enums.

   In OpenAPI 3.0 this can probably be handled using oneOf:

   components:
     schemas:
       Colors1:
         type: string
         enum: [red, green, blue]
       Colors2:
         type: string
         enum: [black, white]
       
       Color:
         oneOf:
           - $ref: '#/components/schemas/Colors1'
           - $ref: '#/components/schemas/Colors2'

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2. nomadtechie commented on Aug 15, 2017

   

   nomadtechie

   on Aug 15, 2017

   Last edited by nomadtechie

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   Thanks so much @hkosova! That is helpful for my models, but can I also use this for my path param? Also, I'm assuming there is no way to do this in OpenAPI 2.0?
3. hkosova commented on Aug 16, 2017

   

   hkosova

   on Aug 16, 2017

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   can I also use this for my path param?

   Yes. In 3.0, all parameters use a schema, so the syntax would be similar to models:

   - in: path
     name: color
     required: true
     schema:
       oneOf:
         - $ref: '#/components/schemas/Colors1'
         - $ref: '#/components/schemas/Colors2'

   I'm assuming there is no way to do this in OpenAPI 2.0?

   Correct. oneOf is a new feature in 3.0.

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4. nomadtechie

   closed this as completedon Aug 16, 2017
5. riba2101 commented on Oct 29, 2020

   

   riba2101

   on Oct 29, 2020

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   just a note - this does not work, the resulting Color is an empty class, also there is a bug if you use allOf the parent extends the enum.

   the above mentioned is valid for java generator

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6. idromigny commented on Feb 12, 2021

   

   idromigny

   on Feb 12, 2021

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   Hello, just found this because I was searching for another solution than doing this solution of the oneOf. Just wanted to say that it's working for me at the condition I specify the type at the oneOf level too :

   - in: path
     name: color
     required: true
     schema:
       type: string
       oneOf:
         - $ref: '#/components/schemas/Colors1'
         - $ref: '#/components/schemas/Colors2'
   

   I'm using this for query parameter though. Don't know if it's changing anything about the fact that's working.