public List <string> GetDocumentsSimilarToDocument(string document_filename)
{
List <string> fingerprints = new List <string>();
IndexReader index_reader = IndexReader.Open(LIBRARY_INDEX_BASE_PATH, true);
Searcher index_searcher = new IndexSearcher(index_reader);
LuceneMoreLikeThis mlt = new LuceneMoreLikeThis(index_reader);
mlt.SetFieldNames(new string[] { "content" });
mlt.SetMinTermFreq(0);
Query query = mlt.Like(new StreamReader(document_filename));
Hits hits = index_searcher.Search(query);
var i = hits.Iterator();
while (i.MoveNext())
{
Hit hit = (Hit)i.Current;
string fingerprint = hit.Get("fingerprint");
fingerprints.Add(fingerprint);
}
// Close the index
index_searcher.Close();
index_reader.Close();
return(fingerprints);
}
public List <string> GetDocumentsSimilarToDocument(string document_filename)
{
List <string> fingerprints = new List <string>();
try
{
using (IndexReader index_reader = IndexReader.Open(LIBRARY_INDEX_BASE_PATH, true))
{
using (IndexSearcher index_searcher = new IndexSearcher(index_reader))
{
LuceneMoreLikeThis mlt = new LuceneMoreLikeThis(index_reader);
mlt.SetFieldNames(new string[] { "content" });
mlt.SetMinTermFreq(0);
Query query = mlt.Like(new StreamReader(document_filename));
Hits hits = index_searcher.Search(query);
var i = hits.Iterator();
while (i.MoveNext())
{
Hit hit = (Hit)i.Current;
string fingerprint = hit.Get("fingerprint");
fingerprints.Add(fingerprint);
}
// Close the index
index_searcher.Close();
}
index_reader.Close();
}
}
catch (Exception ex)
{
Logging.Warn(ex, "GetDocumentsSimilarToDocument: There was a problem opening the index file for searching.");
}
return(fingerprints);
}