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https://issues.apache.org/jira/browse/JENA-63?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148495#comment-13148495
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Paolo Castagna commented on JENA-63:
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By the way, the patch attached to this issue needs to be updated (I'll do that).
I found myself applying this patch over and over again and tell other
colleagues or people wanting to use LARQ with Fuseki how to apply this patch.
Keeping the Lucene index in sync with the RDF storage is key and a very
important goal in order to seriously use LARQ in any real/production situation.
Reindexing is a waste of time/resources in particular for large RDF datasets.
Useful things might also come with Lucene 4.0, but no need to wait for that.
My problem is that I do not know what's the best way to intercept all possible
changes to an RDF dataset and at the moment I do not think we have interfaces
and/or a notification mechanism in place which works for all kind of possible
updates.
See also:
-
https://github.com/castagna/Apache-Jena-Examples/blob/master/src/main/java/org/apache/jena/examples/ExampleTDB_04.java
> Add LARQ to Fuseki distribution
> -------------------------------
>
> Key: JENA-63
> URL: https://issues.apache.org/jira/browse/JENA-63
> Project: Jena
> Issue Type: Improvement
> Components: Fuseki, LARQ, TDB
> Reporter: Paolo Castagna
> Assignee: Paolo Castagna
> Attachments: JENA-63_Fuseki_r1176980.patch
>
>
> It is possible (although not easy for users) to use LARQ with TDB and Fuseki.
> This is to make possible and easy to use LARQ with TDB datasets and with
> Fuseki.
> One way to achieve this is to improve DatasetAssemblerTDB in TDB as suggested
> by http://markmail.org/thread/r5phyiuqkqsyi2xc. This way, LARQ will be loaded
> and wired into ARQ if present in the classpath. Uses will need just to add
> the LARQ jar to their classpath (or depend on it if they use Maven).
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