Raven.Database.Indexing.Index.IndexQueryOperation.GetLuceneQuery C# (CSharp) Method

			public Query GetLuceneQuery()
			{
				string query = indexQuery.Query;
				Query luceneQuery;
				if (String.IsNullOrEmpty(query))
				{
					logQuerying.Debug("Issuing query on index {0} for all documents", parent.name);
					luceneQuery = new MatchAllDocsQuery();
				}
				else
				{
					logQuerying.Debug("Issuing query on index {0} for: {1}", parent.name, query);
					var toDispose = new List<Action>();
					PerFieldAnalyzerWrapper searchAnalyzer = null;
					try
					{
						searchAnalyzer = parent.CreateAnalyzer(new LowerCaseKeywordAnalyzer(), toDispose);
						searchAnalyzer = parent.AnalyzerGenerators.Aggregate(searchAnalyzer, (currentAnalyzer, generator) =>
						{
							Analyzer newAnalyzer = generator.GenerateAnalzyerForQuerying(parent.name, indexQuery.Query, currentAnalyzer);
							if (newAnalyzer != currentAnalyzer)
							{
								DisposeAnalyzerAndFriends(toDispose, currentAnalyzer);
							}
							return parent.CreateAnalyzer(newAnalyzer, toDispose);
						});
						luceneQuery = QueryBuilder.BuildQuery(query, searchAnalyzer);
					}
					finally
					{
						DisposeAnalyzerAndFriends(toDispose, searchAnalyzer);
					}
				}
				return luceneQuery;
			}