Sure!

- use inherited members QParser.req.getSearcher()
- use util method .QParser.getParser("foo bar", "edismax", req).getQuery()

you are welcome


On Mon, Jan 21, 2013 at 3:40 PM, denl0 <david.vandendriess...@gmail.com>wrote:

>
> I have made a Qparserplugin to get querytimejoin from lucene in to Solr.
> But
> I'm facing 2 major issues.
> This is the code I'm using (With the right jars added to config etc it's
> working.)
>
> public class TestParserPlugin extends QParserPlugin {
> @Override
> public QParser createParser(String string, SolrParams sp, SolrParams sp1,
> SolrQueryRequest sqr)
> { return new TestParser(string, sp1, sp1, sqr); }
> @Override
> public void init(NamedList nl) {
> }
> public class TestParser extends QParser {
> public TestParser(String qstr, SolrParams localParams, SolrParams params,
> SolrQueryRequest req)
> { super(qstr, localParams, params, req); }
> @Override
> public org.apache.lucene.search.Query parse() throws
> org.apache.lucene.queryparser.classic.ParseException {
> IndexReader reader;
> try
> { reader = IndexReader.open(FSDirectory.open(new
>
> File("C:\\java\\apache-solr-4.0.0\\apache-solr-4.0.0\\example\\solr\\Books\\data\\index")));
> IndexSearcher searcher = new IndexSearcher(reader); BooleanQuery fromQuery
> =
> new BooleanQuery(); fromQuery.add(new TermQuery(new Term("pageTxt",
> "crazy")), BooleanClause.Occur.MUST); fromQuery.add(new TermQuery(new
> Term("pageTxt", "test")), BooleanClause.Occur.SHOULD); return
> JoinUtil.createJoinQuery("pageId", true, "fileId",fromQuery, searcher,
> ScoreMode.Avg); }
> catch (IOException ex)
> { Logger.getLogger(TestParserPlugin.class.getName()).log(Level.SEVERE,
> null,
> ex); }
> return null;
> }
> }
> }
>
> I still have 2 questions concerning this code:
> Is there a way to get the searcher instead of opening from fs everytime I
> use this plugin?(I think this will create a memory leak)
> Is it possible to combine this qparser with edismax etc in stead of
> building
> queries myself using occur.must etc...
>
>
> Note: I also asked this question to the author of querytimejoin(on the jira
> issue).
>
>
>
> --
> View this message in context:
> http://lucene.472066.n3.nabble.com/How-to-combine-Qparsers-in-a-plugin-tp4035011.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>



-- 
Sincerely yours
Mikhail Khludnev
Principal Engineer,
Grid Dynamics

<http://www.griddynamics.com>
 <mkhlud...@griddynamics.com>

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