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From "Martin Desruisseaux (JIRA)" <>
Subject [jira] [Created] (SIS-102) Choose a dependency injection library for SIS
Date Thu, 06 Jun 2013 16:15:20 GMT
Martin Desruisseaux created SIS-102:

             Summary: Choose a dependency injection library for SIS
                 Key: SIS-102
             Project: Spatial Information Systems
          Issue Type: Task
          Components: Utilities
            Reporter: Martin Desruisseaux

We need to choose a dependency injection mechanism (CDI). Johann Sorel provided the following

There is basically two overlapping Java Specification Requests (JSR):
* {{JSR-299}} is the complete CDI version ({{cdi-api}})
* {{JSR-330}} can be seen as a lightweight version of {{JSR-299}}. Whether this is an improvement
appears questionable.

{{JSR-330}} provides only a limited amount of injection possibilities and does not provide
discovery mechanism. Consequently it would not be a replacement for our current usage of {{META-INF/services}} entries.
Google _Guice 3_ is a {{JSR-330}} implementation.

{{JSR-299}} is more complete and provides a discovery mechanism. _Weld 1_ is the reference

The next CDI version will be {{JSR-346}}, available as a draft at the time of writing. _Weld
2_ (available as beta-5) will be the reference implementation.

Recommendation is to wait for {{JSR-346}}. The difference with {{JSR-299}} seems small. This
new JSR aims to brings "updates and clarifications to CDI 1.0 along much requested features".

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