private bool RenameDocumentInIndex(RenamedEventArgs renArgs, SearchContext context)
{
using (var indexDirectory = FSDirectory.Open(context.IndexPath))
{
using (var analyser = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30))
{
using (var indexWriter = new IndexWriter(indexDirectory, analyser, false, IndexWriter.MaxFieldLength.UNLIMITED))
{
Document doc = new Document();
Field nameField = new Field("name", renArgs.Name, Field.Store.YES, Field.Index.ANALYZED);
Field extField = new Field("ext", Path.GetExtension(renArgs.FullPath), Field.Store.YES, Field.Index.NOT_ANALYZED);
Field pathField = new Field("path", renArgs.FullPath, Field.Store.YES, Field.Index.NOT_ANALYZED);
doc.Add(nameField);
doc.Add(extField);
doc.Add(pathField);
//indexWriter?.DeleteDocuments(new Term("name", renArgs.OldName.ToLower()));
//indexWriter?.AddDocument(doc);
indexWriter?.UpdateDocument(new Term("path", renArgs.OldFullPath), doc);
indexWriter?.Optimize();
DocumentAddedEvent?.Invoke(this, new EventDataArgs {
Data = string.Format("File Renamed: {0}", renArgs.FullPath)
});
}
analyser.Close();
}
}
return(true);
}
private bool DeleteDocumentInIndex(FileSystemEventArgs fseArgs, SearchContext context)
{
using (var indexDirectory = FSDirectory.Open(context.IndexPath))
{
using (var analyser = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30))
{
using (var indexWriter = new IndexWriter(indexDirectory, analyser, false, IndexWriter.MaxFieldLength.UNLIMITED))
{
//try query overload of DeleteDocuments
indexWriter?.DeleteDocuments(new Term("name", fseArgs.Name));
indexWriter?.Optimize();
DocumentAddedEvent?.Invoke(this, new EventDataArgs {
Data = string.Format("File Deleted: {0}", fseArgs.FullPath)
});
}
analyser.Close();
}
}
return(true);
}
public bool AddDocumentToIndex(string fullFilePath, SearchContext context)
{
using (var indexDirectory = FSDirectory.Open(context.IndexPath))
{
using (var analyser = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30))
{
using (var indexWriter = new IndexWriter(indexDirectory, analyser, false, IndexWriter.MaxFieldLength.UNLIMITED))
{
Document document = new Document {
};
DocumentData doc = new DocumentData
{
FileName = Path.GetFileNameWithoutExtension(fullFilePath),
Extention = Path.GetExtension(fullFilePath),
FilePath = fullFilePath
};
Field nameField = new Field("name", doc.FileName, Field.Store.YES, Field.Index.ANALYZED);
Field extField = new Field("ext", doc.Extention, Field.Store.YES, Field.Index.NOT_ANALYZED);
Field pathField = new Field("path", doc.FilePath, Field.Store.YES, Field.Index.NOT_ANALYZED);
document.Add(nameField);
document.Add(extField);
document.Add(pathField);
indexWriter?.AddDocument(document);
indexWriter?.Optimize();
DocumentAddedEvent?.Invoke(this, new EventDataArgs {
Data = string.Format("File Created: {0}", doc.FilePath)
});
}
analyser.Close();
}
}
return(true);
}
public bool BuildIndex(SearchContext context)
{
_searchContext = context;
try
{
if (System.IO.Directory.Exists(context.IndexPath))
{
System.IO.Directory.Delete(context.IndexPath, true);
}
using (var indexDirectory = FSDirectory.Open(context.IndexPath))
{
using (var analyser = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30))
{
using (var indexWriter = new IndexWriter(indexDirectory, analyser, IndexWriter.MaxFieldLength.UNLIMITED))
{
//yield return call
foreach (var doc in _fileScanner.GetFileListWithFullPath(context.ScanPath))
{
if (doc == null)
{
continue;
}
Document document = new Document();
Field nameField = new Field("name", doc.FileName, Field.Store.YES, Field.Index.ANALYZED);
Field extField = new Field("ext", doc.Extention, Field.Store.YES, Field.Index.NOT_ANALYZED);
Field pathField = new Field("path", doc.FilePath, Field.Store.YES, Field.Index.NOT_ANALYZED);
document.Add(nameField);
document.Add(pathField);
document.Add(extField);
indexWriter?.AddDocument(document);
//Trace.WriteLine(string.Format("Added {0} to Index", doc.FileName));
//currStatus = string.Format("Added {0} to Index", doc.FilePath);
DocumentAddedEvent?.Invoke(this, new EventDataArgs {
Data = string.Format("Indexing: {0}", doc.FilePath)
});
}
indexWriter.Optimize();
}
analyser.Close();
}
}
DocumentAddedEvent?.Invoke(this, new EventDataArgs {
Data = "Indexing Complete !!"
});
}
catch (Exception ex)
{
DocumentAddedEvent?.Invoke(this, new EventDataArgs {
Data = string.Format("Error: {0}", ex.Message)
});
return(false);
}
return(true);
}
