/// <summary>
/// Bypasses the Examine stuff to execute a lucene query directly on the given index.
/// </summary>
/// <param name="indexer">The name of the indexer to search on</param>
/// <param name="luceneQuery">normal lucene query</param>
/// <param name="maxResults">max results to return</param>
/// <param name="highlightOpenTag">Opening tag for highlighted search terms in the result</param>
/// <param name="highlightCloseTag">Closing tag for highlighted search terms in the result</param>
/// <param name="fieldsToHighlightCsv">Comma-separated names of fields to apply highlighting to</param>
/// <returns>search results on success or an error element on error</returns>
private static XPathNodeIterator DoLuceneSearch(string indexer, string luceneQuery, int maxResults, string highlightOpenTag, string highlightCloseTag, string fieldsToHighlightCsv)
{
using(var searcher = new LuceneSearcher(indexer))
{
try
{
string[] fieldsToHighlight = String.IsNullOrEmpty(fieldsToHighlightCsv)
? new string[0]
: fieldsToHighlightCsv.Split(new[] {','},
StringSplitOptions.RemoveEmptyEntries);
IEnumerable<SearchResult> results = searcher.Search(luceneQuery, maxResults, highlightOpenTag, highlightCloseTag, fieldsToHighlight);
return GetResultsAsXml(results);
}
catch (ParseException)
{
return new XDocument(new XElement("error", "Invalid lucene query")).CreateNavigator().Select("/*");
}
}
}
/// <summary>
/// Bypasses the Examine stuff to execute a lucene query directly on the given index.
/// </summary>
/// <param name="indexer">The name of the indexer to search on</param>
/// <param name="luceneQuery">normal lucene query</param>
/// <param name="maxResults">max results to return</param>
/// <param name="highlightOpenTag">Opening tag for highlighted search terms in the result</param>
/// <param name="highlightCloseTag">Closing tag for highlighted search terms in the result</param>
/// <param name="fieldsToHighlightCsv">Comma-separated names of fields to apply highlighting to</param>
/// <returns>search results on success or an error element on error</returns>
private static XPathNodeIterator DoLuceneSearch(string indexer, string luceneQuery, int maxResults, string highlightOpenTag, string highlightCloseTag, string fieldsToHighlightCsv)
{
using (var searcher = new LuceneSearcher(indexer))
{
try
{
string[] fieldsToHighlight = String.IsNullOrEmpty(fieldsToHighlightCsv)
? new string[0]
: fieldsToHighlightCsv.Split(new[] { ',' },
StringSplitOptions.RemoveEmptyEntries);
IEnumerable <SearchResult> results = searcher.Search(luceneQuery, maxResults, highlightOpenTag, highlightCloseTag, fieldsToHighlight);
return(GetResultsAsXml(results));
}
catch (ParseException)
{
return(new XDocument(new XElement("error", "Invalid lucene query")).CreateNavigator().Select("/*"));
}
}
}
