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Manasi29
Level 3
May 20, 2022 8:20 AM UTC
Solved

AEM OSGI Services

I have three bundles named Bundle1,Bundle2 & Bundle3. I have two services with the same interface  in bundle 2 & 3 and need to refer this interface in bundle 1. How can that be done?  How do I specify the interface with its versions that needs to be exported and imported respectively in two different bundles?

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WasilZeeAccepted solution
Employee
May 20, 2022 12:43 PM UTC

You may register Services(interface implementations) with different properties(e.g. version) and export them. You may then reference the services with the target attribute. See section "Targeting a service implementation" : https://www.deptagency.com/insight/binding-and-unbinding-osgi-services-in-aem/

 

Thanks,

Wasil

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3 replies

RajaShankar
RajaShankar
New Participant
May 20, 2022 3:04 PM UTC

Hi @manasi29 

There are multiple ways /options in getting the service we need via interface(binding respective service).Please refer my below blog where i provided all options with sample code.

https://rajashankardigital.blogspot.com/2021/08/control-dependency-injection-in-osgi.html

 

Regards,

Rajashankar.R

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    SantoshSai
    SantoshSai
    New Participant
    May 20, 2022 3:03 PM UTC

    Hi @manasi29 

    You need to ensure that the other bundle can reference that OSGI Service

    • The bundles consuming the service need to import the fully qualified name of the service interface.
    • The bundle providing the service needs to export the Java package of the service interface.  

    for more information please visit this blog https://www.techinnovia.com/package-import-and-export/ 

    Hope that helps you!

    Regards,
    Santosh

     

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    Santosh Sai
      WasilZeeAccepted solution
      Employee
      May 20, 2022 12:43 PM UTC

      You may register Services(interface implementations) with different properties(e.g. version) and export them. You may then reference the services with the target attribute. See section "Targeting a service implementation" : https://www.deptagency.com/insight/binding-and-unbinding-osgi-services-in-aem/

       

      Thanks,

      Wasil

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