2010/11/3 Balazs E. Pataki <pat...@dsd.sztaki.hu> > Thank you very much, Mattias! > > This is pretty much what I also have discovered myself and wrote in the > previous email. I'm not sure of the XaDataSource/XaConnection/XaResource > parts, but I will take a look. >
Great, I just saw that! The solution XaDataSource etc. is no different from a solution with IndexService though. > > Regards, > --- > balazs > > On 11/3/10 5:37 PM, Mattias Persson wrote: > > There should never be a need to implement your own GraphDatabaseService > or > > IndexManager... instead these are the things to do to provide your own > index > > implementation: > > > > > > - Create your own SphinxIndexProvider, inspired by > > LuceneIndexProvider< > https://svn.neo4j.org/components/lucene-index/trunk/src/main/java/org/neo4j/index/impl/lucene/LuceneIndexProvider.java > >. > > It will extend > > IndexProvider< > http://components.neo4j.org/neo4j-examples/1.2.M02/apidocs/org/neo4j/graphdb/index/IndexProvider.html > >which > > gets loaded together with the kernel and can therefore participate in > > recovery. > > - Specify a unique service name f.ex. "sphinx". > > - When creating > > indexes< > http://components.neo4j.org/neo4j-examples/1.2.M02/apidocs/org/neo4j/graphdb/index/IndexManager.html#forNodes%28java.lang.String,%20java.util.Map%29 > >(accessing > > for the first time) supply "provider": "sphinx" in that config > > map. Or put neo4j config (to your EmbeddedGraphDatabase) "index": > "sphinx" > > so that the provider by default is "sphinx"... then you can just use > the > > normal accessor, i.e. graphDb.index().forNodes( "my-index" ). > > - Make sure you have an > > META-INF/services/org.neo4j.kernel.KernelExtension containing your > > SphinxIndexProvider (common java service API thingie). > > > > The XaDataSource/XaConnection/XaResource implementation needed to > implement > > an index is a bit tedious and is bound to be simplified in the future. > Until > > then you can just look at how the LuceneIndexProvider does things and > copy > > that. This information is, as you pointed out, missing from the wiki > page... > > I'll add it! > > > > 2010/11/3 Balazs E. Pataki<pat...@dsd.sztaki.hu> > > > >> Hi, > >> > >> we are trying to use the Sphinx indexer with neo4j. With the old API we > >> could implement an IndexProvider and do indexing on Nodes created by any > >> GraphDatabaseService (eg. EmbeddedGraphDatabase). > >> > >> Now with the new 1.2M02 milestone release there is the "Index > >> Framework", which is integrated with the GraphDatabaseService. However, > >> I cannot see how we can now replace the LuceneIndexer implementation > >> with our SphinxIndexer. The GraphDatabaseService API has an index() > >> method, which returns an IndexManager and via which you can do the > >> indexing. There, however, seems no way to provide a different > >> IndexManager unless we create a new GraphDatabaseService implementation, > >> eg. by wrapping EmbeddedGraphDatabase and overriding the index() method. > >> > >> Is it the supposed way of adding a new indexer to neo4j 1.2M2, or is > >> there a better way? > >> > >> Thanks for any hints in advance! > >> --- > >> balazs > >> > >> _______________________________________________ > >> Neo4j mailing list > >> User@lists.neo4j.org > >> https://lists.neo4j.org/mailman/listinfo/user > >> > > > > > > > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > -- Mattias Persson, [matt...@neotechnology.com] Hacker, Neo Technology www.neotechnology.com _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
