2010/9/10, Honnur Vorvoi <vhon...@yahoo.com>:
> I would like to set AND as the default operator when I create index using
> the new index library:
> Index = indexProvider.nodeIndex( "fulltext",
> LuceneIndexProvider.FULLTEXT_CONFIG );
>
> I didn't find "setDefaultOperator" (similar to the one
> in LuceneFulltextQueryIndexService )in any of the provider classes.
> Is it supported in the new index provider? if not, is there a way we can set
> the same?
>
> Thanks in advance.
That functionality is easy to add, I just haven't gotten around to do
it. I'll try to add that as soon as possible. Excellent feedback on
the new IndexProvider framework, keep it coming!
>
>
> --- On Thu, 9/9/10, Honnur Vorvoi <vhon...@yahoo.com> wrote:
>
>
> From: Honnur Vorvoi <vhon...@yahoo.com>
> Subject: Re: [Neo4j] IndexProvider question
> To: user@lists.neo4j.org
> Date: Thursday, September 9, 2010, 10:33 PM
>
>
>
>
>
>
>
> Thanks Mattias.
> Since IndexProvider does all LuceneFulltextQueryIndexService can do and much
> more, I am going to use just IndexProvider.
>
>
> Date: Wed, 8 Sep 2010 16:28:56 +0200
> From: Mattias Persson <matt...@neotechnology.com>
> Subject: Re: [Neo4j] IndexProvider question
> To: Neo4j user discussions <user@lists.neo4j.org>
> Message-ID:
> <aanlktin4cjw=smw00=1nlkt8ftmys6xtnvtrve_j9...@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hi Honnur!
>
> 2010/9/6, Honnur Vorvoi <vhon...@yahoo.com>:
>> Hello,
>>
>> I have the following questions with regard to the IndexProvider(example
>> below):
>>
>> 1. I already have LuceneFulltextQueryIndexService. Can I use IndexProvider
>> with the same graphDb as well? or are they mutually exclusive?
>
> They are separate from one another so both can be used alongside of
> each other. Something stored in one of either
> LuceneIndexService/LuceneIndexProvider won't affect the other.
>
>> 2. What doesn the param "users" in provider.nodeIndex("users") represent?
>
> The LuceneIndexService can only keep values from one key in each
> index, but the new LuceneIndexProvider can spawn indexes which can
> contain any number of keys and values (making compound queries
> possible). Since an index isn't tied to a property key you must name
> each index yourself. Each index can also be configured to be either
> fulltext or not, to use lower case conversion or not, a.s.o.
>
>> 3. Do I need to add all the properties in Index<Node>(line# 4&5) in order
>> to
>> query? (I have already index the same properties with
>> LuceneFulltextQueryIndexService)
>>
> see my answer for (1), in short: LuceneIndexProvider and the indexes
> it spawns has nothing to do with LuceneIndexService (or any derivative
> thereof) and hence can't share state.
>
>> 4. Is it easy to include the query(String) method in
>> LuceneFulltextQueryIndexService, so I can use just one indexservice
>> otherwise I would be using LuceneIndexProvider just for query(String)
>> method.
>
> To add compound querying the storage format (i.e. Lucene usage) needed
> to change in incompatible ways, so it isn't an easy fix to add that.
> It could however be done by querying multiple indexes in parallell and
> merge the results afterwards, but I don't think performance would be
> anywhere near using Lucene the "right way" for compound queries, as
> LuceneIndexProvider does.
>
>>
>> As alwasy, appreciate your suggestions/recommendations
>>
>>
>> 1 IndexProvider provider = new LuceneIndexProvider( graphDb );
>> 2 Index<Node> myIndex = provider.nodeIndex( "users" );
>> 3
>> 4 myIndex.add( myNode, "type", "value1" );
>> 5 myIndex.add( myNode, "key1", "value2" );
>> 6
>> 7 // Ask lucene queries directly here
>> 8 for ( Node searchHit : myIndex.query( "type:value1 AND key1:value2"
>> )
>> )
>> 9 {
>> 10 System.out.println( "Found " + searchHit );
>> 11 }
>> _______________________________________________
>> 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
>
--
Mattias Persson, [matt...@neotechnology.com]
Hacker, Neo Technology
www.neotechnology.com
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