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SOLVED

AEM OSGI Services

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Level 2

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?

1 Accepted Solution

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Correct answer by
Employee Advisor

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

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Correct answer by
Employee Advisor

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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Community Advisor

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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Community Advisor

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