public void DeleteIndex(params Term[] terms)
{
using var readLock = new EnterReaderWriterLock(readerWriteLock);
IndexWriter.DeleteDocuments(terms);
indexChangeCount++;
}
public void DeleteIndex(params Query[] searchQueries)
{
using var readLock = new EnterReaderWriterLock(readerWriteLock);
IndexWriter.DeleteDocuments(searchQueries);
indexChangeCount++;
}
public void DeleteIndex(Query query, out Document[] documentsBeenDeleted)
{
using var readLock = new EnterReaderWriterLock(readerWriteLock);
using var searcher = GetUseIndexSearcher();
documentsBeenDeleted = searcher.IndexSearcher.Search(query, int.MaxValue).ScoreDocs.Select(hit => searcher.IndexSearcher.Doc(hit.Doc)).ToArray();
IndexWriter.DeleteDocuments(query);
indexChangeCount++;
}
public void Dispose()
{
using var readLock = new EnterReaderWriterLock(readerWriteLock, false);
if (!isDisposing)
{
isDisposing = true;
indexChangeCount = 0;
indexReader?.Dispose();
indexWriter?.Dispose();
}
}
public Document[] SearchWithSpecificFields(Query query, int maxResults, params string[] fieldsNeedToLoad)
{
fieldsNeedToLoad.RequireContainsElement(nameof(fieldsNeedToLoad));
using var readLock = new EnterReaderWriterLock(readerWriteLock);
using var searcher = GetUseIndexSearcher();
return(searcher.IndexSearcher.Search(query, maxResults).ScoreDocs.Select(hit =>
{
var visitor = new DocumentStoredFieldVisitor(fieldsNeedToLoad);
searcher.IndexSearcher.Doc(hit.Doc, visitor);
return visitor.Document;
}).ToArray());
}
public Document[] Search(Query query, int maxResults, Filter filter = null)
{
using var readLock = new EnterReaderWriterLock(readerWriteLock);
using var searcher = GetUseIndexSearcher();
Document[] documents;
if (filter != null)
{
documents = searcher.IndexSearcher.Search(query, filter, maxResults).ScoreDocs.Select(hit => searcher.IndexSearcher.Doc(hit.Doc)).ToArray();
}
else
{
documents = searcher.IndexSearcher.Search(query, maxResults).ScoreDocs.Select(hit => searcher.IndexSearcher.Doc(hit.Doc)).ToArray();
}
return(documents);
}
public void BuildIndex(IEnumerable <Document> documents, bool needCommit, bool triggerMerge = false, bool applyAllDeletes = false)
{
using var readLock = new EnterReaderWriterLock(readerWriteLock);
IndexWriter.AddDocuments(documents);
if (triggerMerge || applyAllDeletes)
{
IndexWriter.Flush(triggerMerge, applyAllDeletes);
}
if (needCommit)
{
IndexWriter.Commit();
}
indexChangeCount++;
}
