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copied!<p>Here is how to make a simple Index for text searches using Lucene 4.6</p> <pre><code>public void indexFilmTitle() { try { Directory dir = FSDirectory.open(new File(AppConstants.INDEX_DIR)); Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_46); IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_46, analyzer); iwc.setOpenMode(OpenMode.CREATE); IndexWriter writer = new IndexWriter(dir, iwc); String sql = "SELECT * FROM sakila.film_text"; PreparedStatement ps = con.prepareStatement(sql); ResultSet rs = ps.executeQuery(); int i=0; while (rs.next()) { i++; Document doc = new Document(); Field id = new IntField("id", rs.getInt(1), Field.Store.YES); doc.add(id); Field title = new TextField("title", rs.getString(2), Field.Store.YES); doc.add(title); writer.addDocument(doc); } writer.close(); } catch (IOException ex) { Logger.getLogger(IndexManager.class.getName()).log(Level.SEVERE, null, ex); } catch (SQLException ex) { Logger.getLogger(IndexManager.class.getName()).log(Level.SEVERE, null, ex); } } </code></pre> <p>Note that you have to TextField.</p> <p>And here is how to search:</p> <pre><code>public void searchFromFilm_Text(String keyword) { try { IndexReader reader = DirectoryReader.open(FSDirectory.open(new File(AppConstants.INDEX_DIR))); IndexSearcher searcher = new IndexSearcher(reader); Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_46); QueryParser parser = new QueryParser(Version.LUCENE_46, "title", analyzer); Query query = parser.parse(keyword); System.out.println("Searching for: " + query.toString("title")); TopDocs results = searcher.search(query, 100); ScoreDoc[] hits = results.scoreDocs; System.out.println(hits.length); for(ScoreDoc sdoc : hits) { Document doc = searcher.doc(sdoc.doc); System.out.println(doc.get("id")); System.out.println(doc.get("title")); } } catch (IOException ex) { Logger.getLogger(SearchManager.class.getName()).log(Level.SEVERE, null, ex); } catch (ParseException ex) { Logger.getLogger(SearchManager.class.getName()).log(Level.SEVERE, null, ex); } } </code></pre> <p>Hope it helps.....</p>

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