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https://issues.apache.org/jira/browse/OLINGO-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595071#comment-14595071
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Michael Bolz commented on OLINGO-709:
-------------------------------------
Created a proposal (PoC) (see [branch:
OLINGO-709-InjectODataServiceFactory|https://git-wip-us.apache.org/repos/asf?p=olingo-odata2.git;a=shortlog;h=refs/heads/OLINGO-709-InjectODataServiceFactory]
and
[commit|https://git-wip-us.apache.org/repos/asf?p=olingo-odata2.git;a=commit;h=f1ca1a20492c4a6d2e74bda0c1a21d0996a24c32].
With the introduced request parameter
{{ODataServiceFactory.FACTORY_INSTANCE_LABEL}} an instance of an
{{ODataServiceFactory}} could be attached (injection) to an
{{HttpServletRequest}}.
Furthermore with the split of the {{ODataServlet}} in an abstract
{{AbstractODataServlet}} and a concrete class and making the
{{getServiceFactory(...)}} {{abstract protected}} the _open close principle_ is
more respected.
> Support injection of ODataServiceFactory instance
> -------------------------------------------------
>
> Key: OLINGO-709
> URL: https://issues.apache.org/jira/browse/OLINGO-709
> Project: Olingo
> Issue Type: Improvement
> Components: odata2-core
> Affects Versions: V2 2.0.4
> Reporter: Michael Bolz
> Assignee: Michael Bolz
> Priority: Minor
>
> Support injection of {{ODataServiceFactory}} instance in addition to creation
> of a new instance on every request.
> Currently the {{createServiceFactory(HttpServletRequest
> req):ODataServiceFactory}} method of the
> {{org.apache.olingo.odata2.core.servlet.ODataServlet}} only allows that an
> {{ODataServiceFactory}} instance is created for each request.
> It should be possible to attach (inject) an already created
> {{ODataServiceFactory}} instance to the request.
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