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Manasi29
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May 20, 2022
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AEM OSGI Services

  • May 20, 2022
  • 3 replies
  • 1339 views

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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Best answer by WasilZee

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

3 replies

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Adobe Employee
WasilZeeAdobe EmployeeAccepted solution
Adobe Employee
May 20, 2022

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

    SantoshSai
    Community Advisor
    SantoshSaiCommunity Advisor
    Community Advisor
    May 20, 2022

    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

     

    Santosh Sai
      RajaShankar
      Community Advisor
      RajaShankarCommunity Advisor
      Community Advisor
      May 20, 2022

      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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