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;
}
