public SingleFieldSearchResult SingleFieldSearch(string fieldName, string query, string directoryPath)
{
// Create the index reader
var directory = _directoryFactory.GetDirectory(directoryPath);
var indexReader = _indexReaderFactorty.GetIndexReader(directory);
// create a index searcher
var searcher = _indexSearcherFactory.GetIndexSearcher(indexReader);
// Create the query to be executed
var contentQuery = _singleFieldQueryFactory.GetSingleFieldQuery(fieldName,
query,
_analyzerFactory.GetAnalyzer());
// Execute the query.
var results = _simpleQueryExecutor.ExecuteQuery(contentQuery, searcher, indexReader);
// Create the SingleFieldSearchResul wrapper and return it as the result of the search
var resultWrapper = new SingleFieldSearchResult(searcher)
{
TopDocs = results
};
return(resultWrapper);
}
/// <summary>
/// Build a basic index writer for the index located at the given index path.
/// </summary>
/// <param name="indexDirectoryPath">The directory of the index.</param>
/// <returns>Default <see cref="IndexWriter"/> object </returns>
private IndexWriter BuildIndexWriter(string indexDirectoryPath)
{
// the index directoryFactory
var fsDirectory = _directoryFactory.GetDirectory(indexDirectoryPath);
// the index analyzer
var baseAnalyzer = _analyzerFactory.GetAnalyzer();
// the actual index writter
var indexWriter = _indexWriterFactory.BuildIndexWritter(fsDirectory, baseAnalyzer);
return(indexWriter);
}