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https://issues.apache.org/jira/browse/FELIX-4412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14363515#comment-14363515
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David Jencks edited comment on FELIX-4412 at 3/16/15 5:19 PM:
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I attempted to implement the wiring check but could only figure out how to test 
that the wire exists when it should.  I don't see a reasonable way to write a 
test that shows we don't extend a bundle wired to another extender. rev 1667030


was (Author: djencks):
I attempted to implement the wiring check but could only figure out how to test 
that the wire exists when it should.  I don't see a reasonable way to write a 
test that shows we don't extend a bundle wired to another extender.

> Add Provide-Capability for declarative services bundle
> ------------------------------------------------------
>
>                 Key: FELIX-4412
>                 URL: https://issues.apache.org/jira/browse/FELIX-4412
>             Project: Felix
>          Issue Type: Bug
>          Components: Declarative Services (SCR), Specification compliance
>    Affects Versions: scr-1.8.0
>            Reporter: Alex Blewitt
>            Assignee: David Jencks
>            Priority: Minor
>             Fix For: scr-2.0.0
>
>
> To allow bundles to declare that they need declarative services, a 
> Provide-Capability should be defined on the DS bundle such that clients can 
> depend on it, for example:
> Provide-Capability: 
> osgi.extender;osgi.extender="osgi.service.component";version:=1.1.0
> This would allow clients to require that there be a Declarative Services 
> bundle without actually declaring a package dependency:
> Require-Capability: 
> osgi.extender;filter:="(&(osgi.extender=osgi.service.component")(version>1.0.0))"
> The name of the declarative services component isn't well defined but 
> osgi.service.component or osgi.declarative.services might be used.



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