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From: Clement Escoffier <clement.escoffier@gmail.com>
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Subject: Re: Using service interceptors to inject proxies
Date: Thu, 6 Oct 2016 11:32:13 +0100
References: <CA+q76dKc0k=9QrAkVanAJtSLmmsgv3N2r_dA8_ZvwaH5RVTfCA@mail.gmail.com>
To: Apache Felix - Users Mailing List <users@felix.apache.org>
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archived-at: Thu, 06 Oct 2016 10:32:24 -0000

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Hi,

The service binding interceptor requires to have a =E2=80=9Cservice=E2=80=9D=
 available. You should be able to do what you want by either:

- combining a =E2=80=9Cdefault-implementation=E2=80=9D strategy and a =
binding interceptor (it would require to have the dependency marked as =
optional)
- or create your own handler that inject what you want to inject =
(http://felix.apache.org/documentation/subprojects/apache-felix-ipojo/apac=
he-felix-ipojo-devguide/how-to-write-your-own-handler.html =
<http://felix.apache.org/documentation/subprojects/apache-felix-ipojo/apac=
he-felix-ipojo-devguide/how-to-write-your-own-handler.html>)

Clement


> On 6 oct. 2016, at 04:02, Martin Nielsen <mnybon@gmail.com> wrote:
>=20
> Hello everyone
>=20
> I am looking at the felix servicebinding interceptors with a certain =
amount
> of enthusiasm, but i am having trouble figuring out if they can solve =
a
> specific task.
>=20
> =
http://felix.apache.org/documentation/subprojects/apache-felix-ipojo/apach=
e-felix-ipojo-userguide/ipojo-advanced-topics/service-binding-interceptors=
.html
>=20
> What i would like to do is the following: Whenever a ServiceReference =
is
> requested for an interface (No matter which one), i want an =
interceptor to
> examine it. If the interface meets some criteria, the an interceptor =
should
> create a proxy for that interface, regardless of a matching =
implementation
> being registered.
> So: Even if no object is actually registered as a service to that
> interface, i want the interceptor to return a proxy anyway. Is that
> possible to do in any way?
>=20
> Thank you in advance.
>=20
> -Martin


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