[jira] [Updated] (OLINGO-1007) SystemQueryOptions Are Swallowed by RequestURLHierarchyVisitor

["Ramesh Reddy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OLINGO-1007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ramesh Reddy updated OLINGO-1007:
---------------------------------
    Issue Type: Question  (was: Bug)

> SystemQueryOptions Are Swallowed by RequestURLHierarchyVisitor
> --------------------------------------------------------------
>
>                 Key: OLINGO-1007
>                 URL: https://issues.apache.org/jira/browse/OLINGO-1007
>             Project: Olingo
>          Issue Type: Question
>          Components: odata4-server
>    Affects Versions: (Java) V4 4.2.0
>            Reporter: Mitch Connors
>
> RequestURLHierarchyVisitor, in server-core-ext, has visitor methods defined for the various system query options, however they are all empty methods (for instance, see [here|https://github.com/apache/olingo-odata4/blob/master/lib/server-core-ext/src/main/java/org/apache/olingo/server/core/RequestURLHierarchyVisitor.java#L270]).  This would lead me to believe that they were designed for overriding in Custom classes by the Service Implementor, however there appears to be no way to inject a new instance of RequestURLHierarchyVisitor (inherited by ServiceDispatcher) into the handler.  
> What is the intended way for consumers of the server-core-ext library to implement system query option support?  Should injection of custom ServiceDispatchers be allowed?  Is an example in order?



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