gistfile1.txt

using (var searcher = new IndexSearcher(LuceneDirectory))
{
  Log.Debug("Starting new IndexSearcher");
  var analyzer = new StandardAnalyzer(Version.LUCENE_30);
  var searchResults = new SearchResult
  {
      SearchTerm = searchQuery,
      SearchResultItems = new List<SearchResultItem>()
  };

  ScoreDoc[] hits;
  if (!string.IsNullOrEmpty(field))
  {
      if (!fields.Contains(field))
      {
          throw new SearchException(string.Format("Field {0} is not a search field for type {1}", field, typeof(T)));
      }
      QueryParser parser = fieldsToSearchOn.Count == 1 ?
          new QueryParser(Version.LUCENE_30, fieldsToSearchOn.First(), analyzer) :
          new MultiFieldQueryParser(Version.LUCENE_30, fieldsToSearchOn.ToArray(), analyzer);
      var query = ParseQuery(searchQuery, parser);
      hits = searcher.Search(query, HitsLimit).ScoreDocs;
  }
  else
  {
      var parser = new MultiFieldQueryParser(Version.LUCENE_30, fields.ToArray(), analyzer);
      var query = ParseQuery(searchQuery, parser);
      hits = searcher.Search(query, null, HitsLimit, Sort.RELEVANCE).ScoreDocs;
  }
  if (hits != null)
  {
      Log.DebugFormat("Hits found: {0}", hits.Count());
      searchResults.Hits = hits.Count();
      foreach (var hit in hits)
      {
          var doc = searcher.Doc(hit.Doc);
          searchResults.SearchResultItems.Add(new SearchResultItem
          {
              Id = Convert.ToInt32(doc.Get("Id")),
              Score = hit.Score,
          });
      }
  }
  else
  {
      Log.DebugFormat("No hits found");
  }
  analyzer.Close();
  searcher.Dispose();
  return searchResults;
}