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Bug 358437

Summary: [Subsystems] Support OSGi subsystems
Product: [RT] Virgo Reporter: Glyn Normington <glyn.normington>
Component: runtimeAssignee: Project Inbox <virgo-inbox>
Status: NEW --- QA Contact:
Severity: enhancement    
Priority: P3 CC: cvgaviao, dmitry
Version: 3.0.0.RELEASE   
Target Milestone: ---   
Hardware: All   
OS: All   
Whiteboard:
Bug Depends on: 358440, 358449, 358451, 358452, 358454, 358536, 358537, 358539, 358540, 358541, 358543, 358544, 358546, 358547, 358548, 358549, 358550, 358551, 371427, 358441    
Bug Blocks:    

Description Glyn Normington CLA 2011-09-21 10:59:26 EDT 

    


    


      



        
          Comment 1
        

        
          Glyn Normington CLA

        

        
        

        
          2011-09-21 11:06:12 EDT
        

      






Logging the dependency on Libra tooling for subsystems. Without that, users will have to construct subsystems manually.

    


    


      



        
          Comment 2
        

        
          Glyn Normington CLA

        

        
        

        
          2011-09-21 11:09:14 EDT
        

      






The requirement is for Virgo to support subsystems as defined by OSGi RFC 152, a public draft of which should appear before long. A subsystem is a standardised form of multi-bundle application, analogous to Virgo's PARs and plans.

The intention is to implement base, non-subsystem specific changes in Virgo which will be required to support subsystems, then prototype the draft specification, and later finalise the implementation when the spec freezes.

    


    


      



        
          Comment 3
        

        
          Glyn Normington CLA

        

        
        

        
          2011-09-23 05:46:45 EDT
        

      






Targeting 4.0.

    


    


      



        
          Comment 4
        

        
          Glyn Normington CLA

        

        
        

        
          2012-10-02 03:42:41 EDT
        

      






The only feature of subsystems which seemed to be specifically required by Virgo users was implemented under bug 358441 in Virgo 3.5.0. The cost/benefit ratio of the remaining features is very high and so subsystems is unlikely to be implemented in Virgo unless demand increases substantially and/or committers or contributors step forward to implement significant chunks.