What Query is actually parsed? Mike McCandless
http://blog.mikemccandless.com On Sat, Sep 21, 2013 at 8:48 PM, illusionz <deep.illusi...@gmail.com> wrote: > Hi Michael, > > I am getting no hits. > > Tokens are generated in this form : iam, amleagend > > I am searching from "amleagend", and getting no hits. > > Thanks, > Depanker Sharma > > > > > On Sat, Sep 21, 2013 at 10:38 PM, Michael McCandless < > luc...@mikemccandless.com> wrote: > >> What's actually going wrong? Exception? No hits? >> >> What query is actually being executed? Ie what does that >> System.out.println print? >> >> If you search for i am leagend instead does it still find no hits? >> >> Mike McCandless >> >> http://blog.mikemccandless.com >> >> >> On Sat, Sep 21, 2013 at 2:48 AM, illusionz <deep.illusi...@gmail.com> >> wrote: >> > Hi, >> > >> > I am learning lucene, and have created indexes using LuceneWriter (which >> > worked fine), but when I try an query it with LuceneReader it dose not >> > work, need help on the same. Following is the code for LuceneWriter.java >> > and LuceneReader.java: >> > >> > >> > public class LuceneWriter { >> > public static void main(String[] arg) throws IOException >> > { >> > File docDir = new File(DataConfig.dataDir); >> > Directory dir = FSDirectory.open(docDir); >> > HashMap<String, Analyzer> documentFiledAnalysers = new HashMap<String, >> > Analyzer>(); >> > documentFiledAnalysers.put("id", new >> StandardAnalyzer(Version.LUCENE_43)); >> > documentFiledAnalysers.put("content", new ShingleAnalyzerWrapper(new >> > StandardAnalyzer(Version.LUCENE_43), 2, 2, "", false, true)); >> > PerFieldAnalyzerWrapper analyserWrapper = new >> PerFieldAnalyzerWrapper(new >> > StandardAnalyzer(Version.LUCENE_43), documentFiledAnalysers); >> > IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_43, >> > analyserWrapper); >> > iwc.setOpenMode(OpenMode.CREATE); >> > IndexWriter writer = new IndexWriter(dir, iwc); >> > Document doc2 = new Document(); >> > doc2.add(new StringField("id", "2", Field.Store.YES)); >> > doc2.add(new StringField("content", "I am leagend", >> > Field.Store.<http://field.store.no/> >> > YES)); >> > Document doc3 = new Document(); >> > doc3.add(new StringField("id", "3", Field.Store.YES)); >> > doc3.add(new StringField("content", "Tom got a cat.", >> > Field.Store.<http://field.store.no/> >> > YES)); >> > writer.addDocument(doc2); >> > writer.addDocument(doc3); >> > >> > writer.close(); >> > System.out.println("------------ Added index -----------"); >> > } >> > >> > } >> > >> > >> > >> > public class LuceneReader { >> > >> > >> > /** >> > >> > * @param args >> > >> > */ >> > >> > public static void main(String[] args) { >> > >> > try { >> > >> > IndexReader reader = >> > DirectoryReader.open(FSDirectory.open(new File(DataConfig.dataDir))); >> > >> > IndexSearcher searcher = new IndexSearcher(reader); >> > >> > HashMap<String, Analyzer> documentFieldAnalysers = new HashMap<String, >> > Analyzer>(); >> > >> > documentFieldAnalysers.put("id", new >> StandardAnalyzer(Version.LUCENE_43)); >> > >> > documentFieldAnalysers.put("content", new ShingleAnalyzerWrapper(new >> > StandardAnalyzer(Version.LUCENE_43), >> > 2, 2, "", false, true)); >> > >> > PerFieldAnalyzerWrapper analyserWrapper >> > = new PerFieldAnalyzerWrapper(new StandardAnalyzer(Version.LUCENE_43), >> > documentFieldAnalysers); >> > >> > QueryParser qpHelper = new QueryParser(Version.LUCENE_43, "content", >> > analyserWrapper); >> > >> > Query query = qpHelper.parse("amleagend"); >> > >> > TopDocs results = searcher.search(query, 1000); >> > >> > System.out.println("Searching for: " + query); >> > >> > ScoreDoc[] hits = results.scoreDocs; >> > >> > >> > >> > for(int i =0; i < hits.length; i++) >> > >> > { >> > >> > Document doc = searcher.doc(hits[i].doc); >> > >> > System.out.println(doc); >> > >> > } >> > >> > >> > >> > >> > >> > } catch (Exception e) { >> > >> > // TODO Auto-generated catch block >> > >> > e.printStackTrace(); >> > >> > } >> > >> > >> > } >> > >> > >> > >> > >> > } >> > >> > >> > Thanks, >> > >> > Depanker Sharma >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
