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askdctm
October 16, 2015
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Use of Activator.java in CQ bundle

  • October 16, 2015
  • 3 replies
  • 3372 views

Hi All,

Can someone please let me know on this.

Any sample snippet of code/references will be helpful.

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Best answer by Peter_Puzanovs

Hi,

Activator.java can be used to initialize(start) things.

headwire provides an excellent open source project that uses Activator.java to initialize logging:

https://github.com/headwirecom/aem-solr-search/blob/master/aemsolrsearch-services/src/main/java/com/headwire/aemsolrsearch/services/osgi/Activator.java

Thanks,

Peter

3 replies

Peter_Puzanovs
Community Advisor
Peter_PuzanovsCommunity AdvisorAccepted solution
Community Advisor
October 16, 2015

Hi,

Activator.java can be used to initialize(start) things.

headwire provides an excellent open source project that uses Activator.java to initialize logging:

https://github.com/headwirecom/aem-solr-search/blob/master/aemsolrsearch-services/src/main/java/com/headwire/aemsolrsearch/services/osgi/Activator.java

Thanks,

Peter

    partyush
    Community Advisor
    partyushCommunity Advisor
    Community Advisor
    January 25, 2023

    Thanks

      Yogesh_Upadhyay
      Yogesh_Upadhyay
      October 16, 2015

      Hello,

      As far as name is concern you can use any name for activation class (Need not have to be Activator.java), you just have to mention that in your bundle configuration as

      Bundle-Activator:fully-qualified-activator-class-name

      Please use this only if you want to do some initialization at bundle level. For Service level initialization use something like this (This will get called when your service get initialized)

      @Activate protected final void activate(final ComponentContext componentContext) { }

      Yogesh

      www.wemblog.com

        ambivert09
        ambivert09
        January 22, 2016

        Hi Yogesh,

        So does it mean that bundle activator class is optional for AEM OSGI bundles and i assume i can live fine by using @Activate/@Deactivate at service level and there will not be any bundle activator class at all in bundle. Here i assume that felix framework will initialize the bundle without any activator class with caveat that i am not doing any initialization at bundle level which we usually do not do.

        It would be helpful if i can get reference to docs describing this.

        Regards.

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