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https://issues.apache.org/jira/browse/JENA-164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13571770#comment-13571770
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Elli Schwarz commented on JENA-164:
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Is any further work planned on this issue? I use Fuseki as a remote endpoint,
connecting to it via creation of an UpdateExecutionFactory and executing it. I
would really like my indexes to be updated after execution of this update. Is
there any way to do this?
I already modified my Fuseki pom file to add the LARQ dependency, so I do have
the Lucene index available, but it is very inconvenient for me to have to take
down the server and run the command line larqbuilder command to regenerate the
index. I'd be happy to work on this extension for myself if it's not too
difficult and if someone could provide me with some tips. I've read all the
comments here, but I'm not sure how they apply through my pathway of connected
to Fuseki via the remote endpoint. I don't necessarily care if the index is
updated automatically via the StatementListener, I just want the index updated
after my update script is run (anyway, I don't want the listener invoked for
each statement added by the update script, only when the update script is
complete).
Thanks!
> LARQ needs to update the Lucene index when a SPARQL Update request is received
> ------------------------------------------------------------------------------
>
> Key: JENA-164
> URL: https://issues.apache.org/jira/browse/JENA-164
> Project: Apache Jena
> Issue Type: New Feature
> Components: LARQ
> Reporter: Paolo Castagna
> Assignee: Paolo Castagna
> Priority: Minor
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> LARQ used not to update the Lucene index as RDF statements were added/removed
> from a Jena Model.
> LARQ is currently extending StatementListener [1] to keep a Lucene index in
> sync with a Jena Model, however this notification mechanism is not applicable
> in the case of SPARQL Update requests.
> LARQ needs to update the Lucene index when a SPARQL Update request is
> received.
> See also a relevant thread from jena-users mailing list:
> - How to be notified of triples added/deleted to/from a Graph? --
> http://markmail.org/thread/l4ymug3ujoqifnty
> [1]
> http://svn.apache.org/repos/asf/incubator/jena/Jena2/LARQ/trunk/src/main/java/org/apache/jena/larq/IndexBuilderModel.java
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