qt5 client does not support polymorphism -- WIP. Continue this after issue 1284 is resolved

Created by: WendellDuncan

Description

I have a swagger API that has polymorphism. The qt5 client does not support this use case.

openapi-generator version

master from git repository

OpenAPI declaration file content or url

I will submit a pull request. In the branch /cpp-qt5-client-hierarchy from tor my fork at Wendell/Duncan/openapi-generator

Command line used for generation

java org.openapitools.codegen.OpenAPIGenerator generate -i ~/Downloads/hardwareapi-formattedswagger.json -o ~/ProbeBuilder/Modules/HardwareApi --model-name-prefix HardwareApi -g cpp-qt5 -Dmodels -DsupportingFiles -DcppNamespace=HardwareApi

Steps to reproduce

The generated code does not support polymorphism in the source swagger file

Related issues/PRs

Suggest a fix/enhancement

I have a pull request.