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https://issues.apache.org/jira/browse/ARIES-952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13696898#comment-13696898
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Glyn Normington edited comment on ARIES-952 at 7/1/13 3:58 PM:
---------------------------------------------------------------
The original requirement was to allow the use of a Blueprint implementation
other than Aries although doing away with all Blueprint dependencies would also
satisfy the requirement.
was (Author: glyn.normington):
The original requirement was to use a Blueprint implementation other than
Aries although doing away with all Blueprint dependencies would also satisfy
the requirement.
> Break dependency of Aries Subsystems on Aries Blueprint
> -------------------------------------------------------
>
> Key: ARIES-952
> URL: https://issues.apache.org/jira/browse/ARIES-952
> Project: Aries
> Issue Type: Improvement
> Components: Application, Subsystem
> Reporter: Glyn Normington
>
> Aries Subsystems currently has a hard dependency on Aries Blueprint (AB).
> When running Aries Subsystems in an environment where there is already a
> Blueprint implementation, we end up with duplicate Blueprint extenders, which
> is of course a recipe for disaster.
> One such environment is the Virgo kernel. Virgo depends on Gemini Blueprint
> (GB) because it uses the Spring DM function provided by GB. So it's not
> possible to substitute AB for GB.
> So the requirement is to make it possible to run Aries Subsystems with GB.
> Admittedly this may involve adding some GB code to support resource modelling
> for Blueprint, but that should be separated from the AB implementation.
> To reproduce the problematic environment, see
> https://github.com/glyn/aries-subsystems-on-virgo-kernel and follow the
> instructions in README.md. The web admin console can then be used to observe
> both GB and AB extenders running in the Virgo user region. Also, the nature
> of the hard dependency can be observed by deleting the Aries Blueprint core
> bundle from the Virgo kernel's repository/usr directory and restarting Virgo
> - the modeller no longer resolves:
> missing constraint in bundle
> <org.apache.aries.application.modeller_1.0.1.SNAPSHOT>
> constraint: <Import-Package:
> org.apache.aries.blueprint.services; version="[1.0.0,2.0.0)">
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