Girish Vasmatkar created OFBIZ-11902:
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             Summary: Nested attributes for Collection Types
                 Key: OFBIZ-11902
                 URL: https://issues.apache.org/jira/browse/OFBIZ-11902
             Project: OFBiz
          Issue Type: Improvement
          Components: ALL APPLICATIONS
    Affects Versions: Trunk
            Reporter: Girish Vasmatkar
            Assignee: Girish Vasmatkar
             Fix For: Upcoming Branch


While working on OpenApi integration as well as GraphQL implementation, I faced 
issues on how to automatically document request/response JSON structure for 
service attributes that were of Collection types (Map, List etc).
 
For simple types, it is just plain easy but when it comes to Map/Lists, you 
have to know what exactly is inside them to be able to convey properly in the 
OpenApi schema.
 
I was thinking to may be try to introduce nested attributes in service 
definition such that if the attribute type is Map/List, you can actually 
specify what goes inside that attribute -
 
<attribute name=_"header"_ type=_"Map"_ mode=_"IN"_ optional=_"true"_ >  

    <attribute name=_"xy"_ type=_"Integer"_  default-value=_"0"_ /> 

    <attribute name=_"xyz"_ type=_"String"_  default-value=_"test"_/>

</attribute>  

 
With this change, it becomes possible to generate the schema for the service 
attribute, Where as if we don't have this option, we can't possibly indicate 
what the structure of the "header" key is going to be if it was represented in 
JSON format.
 
Of course, this change will only help documentation and GraphQL implementation 
and that there is very little case for it to benefit a general OFBiz service 
call.
 



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