Esempio n. 1
0
        private void btnExecuteSearch_Click(object sender, EventArgs e)
        {
            Directory indexDirectory = FSDirectory.Open(new System.IO.DirectoryInfo(tempPath));
            IndexSearcher searcher = new IndexSearcher(indexDirectory, true); // read-only=true

            QueryParser qp = new HebrewQueryParser(Lucene.Net.Util.Version.LUCENE_29, "content", analyzer);
            qp.SetDefaultOperator(QueryParser.Operator.AND);
            Query query = qp.Parse(txbSearchQuery.Text);

            ScoreDoc[] hits = searcher.Search(query, null, 1000).scoreDocs;

            // Iterate through the results:
            BindingList<SearchResult> l = new BindingList<SearchResult>();
            for (int i = 0; i < hits.Length; i++)
            {
                Document hitDoc = searcher.Doc(hits[i].doc);
                SearchResult sr = new SearchResult(hitDoc.GetField("title").StringValue(),
                    hitDoc.GetField("path").StringValue(), hits[i].score);
                l.Add(sr);
            }

            searcher.Close();
            indexDirectory.Close();

            dgvResults.DataSource = l;
        }
 /// <summary>
 /// 
 /// </summary>
 /// <param name="matchVersion"></param>
 /// <param name="query"></param>
 /// <param name="fields"></param>
 /// <param name="flags"></param>
 /// <param name="analyzer"></param>
 /// <param name="defaultOperator"></param>
 /// <returns></returns>
 public static Query Parse(Lucene.Net.Util.Version matchVersion, string query, string[] fields, BooleanClause.Occur[] flags, Analyzer analyzer, Operator defaultOperator)
 {
     if (fields.Length > flags.Length)
         throw new System.ArgumentException("fields.length != flags.length");
     BooleanQuery bQuery = new BooleanQuery();
     for (int i = 0; i < fields.Length; i++)
     {
         QueryParser qp = new HebrewQueryParser(matchVersion, fields[i], analyzer);
         qp.SetDefaultOperator(defaultOperator);
         Query q = qp.Parse(query);
         if (q != null && (!(q is BooleanQuery) || ((BooleanQuery) q).GetClauses().Length > 0))
         {
             bQuery.Add(q, flags[i]);
         }
     }
     return bQuery;
 }