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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2021/10/07 12:09:00 UTC

[jira] [Resolved] (JENA-2178) Generalize module loading and initialization.

     [ https://issues.apache.org/jira/browse/JENA-2178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne resolved JENA-2178.
---------------------------------
    Resolution: Done

> Generalize module loading and initialization.
> ---------------------------------------------
>
>                 Key: JENA-2178
>                 URL: https://issues.apache.org/jira/browse/JENA-2178
>             Project: Apache Jena
>          Issue Type: Improvement
>    Affects Versions: Jena 4.2.0
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>            Priority: Minor
>             Fix For: Jena 4.3.0
>
>
> Jena system initialization code in {{JenaSystem.init}} provides the way extra jars can wire themselves into Jena. Initialization happens as soon as any application code touches Jena.
> The mechanism is a simple abstraction over {{java.util.ServiceLoader}}
> A new use case is to use the same machinery but for loading modules into Fuseki (example: a Apache Kafka connector for receiving updates). This loading happens after a server is built so it is happens at a different point to Jena system init.
> So separate the mechanism for module loading by interface from the specific use in {{JenaSystem}}. Use this, retaining compatibility, and allow a separate module load phase to be added to Fuseki.



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