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https://issues.apache.org/jira/browse/OLINGO-508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243737#comment-14243737
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Michael Bolz commented on OLINGO-508:
-------------------------------------
Hi [~Yaofeng],
during my test with this fix I encountered some _strange behavior_ with
generation of _ Association_ and _ AssociationSets_.
Before I can commit/push I first have to investigate.
Currently I think a fix will not be done before end of next week.
Kind regards,
Michael
> One-to-Many self-link causing NotImplementedException
> -----------------------------------------------------
>
> Key: OLINGO-508
> URL: https://issues.apache.org/jira/browse/OLINGO-508
> Project: Olingo
> Issue Type: Bug
> Components: odata2-annotation, odata2-core
> Affects Versions: V2 2.0.1
> Reporter: Yaofeng Xu
> Assignee: Michael Bolz
>
> An exception will be thrown when expanding an inline entity which is a
> one-to-many relationship to the entity itself.
> My entity model:
> @EdmEntityType
> @EdmEntitySet(name="Manufacturers")
> public class Manufacturer {
> @EdmKey
> @EdmProperty
> private String id;
> @EdmProperty
> private String name;
> @EdmProperty
> private Calendar founded;
> @EdmNavigationProperty
> private List<Car> cars;
> @EdmNavigationProperty
> private List<Manufacturer> subManufacturers;
>
> }
> Request:
> http://localhost:8080/PqmODataExample/PqmODataExample.svc/Manufacturers('1')?$expand=SubManufacturers
> Response:
> {"error":{"code":null,"message":{"lang":"en","value":"Not implemented"}}}
> A workaround is to add toRole to the navigation property annotation as
> "@EdmNavigationProperty(toRole="r-manufacturers")".
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