/// <summary>
/// Deletes the index.
/// </summary>
/// <param name="indexPath">The index path.</param>
/// <param name="docList">The doc list.</param>
/// <returns></returns>
public bool DeleteIndex(string indexPath, List <string> docList)
{
bool result = false;
try
{
using (Lucene.Net.Store.Directory directory = FSDirectory.Open(new DirectoryInfo(indexPath)))
{
Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_29);
var parser = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, RegularExpression, analyzer);
IndexModifier modifier = new Lucene.Net.Index.IndexModifier(indexPath, analyzer, false);
foreach (string doc in docList)
{
modifier.DeleteDocuments(new Lucene.Net.Index.Term(FilePath, doc));
}
modifier.Flush();
modifier.Close();
}
}
catch (Exception ex)
{
// Swallow Exceptions here
}
return(result);
}
public virtual void TestIndex()
{
Directory ramDir = new RAMDirectory();
IndexModifier i = new IndexModifier(ramDir, new StandardAnalyzer(), true);
i.AddDocument(GetDoc());
Assert.AreEqual(1, i.DocCount());
i.Flush();
i.AddDocument(GetDoc(), new SimpleAnalyzer());
Assert.AreEqual(2, i.DocCount());
i.Optimize();
Assert.AreEqual(2, i.DocCount());
i.Flush();
i.DeleteDocument(0);
Assert.AreEqual(1, i.DocCount());
i.Flush();
Assert.AreEqual(1, i.DocCount());
i.AddDocument(GetDoc());
i.AddDocument(GetDoc());
i.Flush();
// depend on merge policy - Assert.AreEqual(3, i.docCount());
i.DeleteDocuments(allDocTerm);
Assert.AreEqual(0, i.DocCount());
i.Optimize();
Assert.AreEqual(0, i.DocCount());
// Lucene defaults:
Assert.IsNull(i.GetInfoStream());
Assert.IsTrue(i.GetUseCompoundFile());
Assert.AreEqual(IndexWriter.DISABLE_AUTO_FLUSH, i.GetMaxBufferedDocs());
Assert.AreEqual(10000, i.GetMaxFieldLength());
Assert.AreEqual(10, i.GetMergeFactor());
// test setting properties:
i.SetMaxBufferedDocs(100);
i.SetMergeFactor(25);
i.SetMaxFieldLength(250000);
i.AddDocument(GetDoc());
i.SetUseCompoundFile(false);
i.Flush();
Assert.AreEqual(100, i.GetMaxBufferedDocs());
Assert.AreEqual(25, i.GetMergeFactor());
Assert.AreEqual(250000, i.GetMaxFieldLength());
Assert.IsFalse(i.GetUseCompoundFile());
// test setting properties when internally the reader is opened:
i.DeleteDocuments(allDocTerm);
i.SetMaxBufferedDocs(100);
i.SetMergeFactor(25);
i.SetMaxFieldLength(250000);
i.AddDocument(GetDoc());
i.SetUseCompoundFile(false);
i.Optimize();
Assert.AreEqual(100, i.GetMaxBufferedDocs());
Assert.AreEqual(25, i.GetMergeFactor());
Assert.AreEqual(250000, i.GetMaxFieldLength());
Assert.IsFalse(i.GetUseCompoundFile());
i.Close();
try
{
i.DocCount();
Assert.Fail();
}
catch (System.SystemException e)
{
// expected exception
}
}
public void threadproc_update(object obj)
{
lock (locker) // If a thread is updating the index, no other thread should be doing anything with it.
{
try
{
if (searcher != null)
{
try
{
searcher.Close();
}
catch (Exception e)
{
}
searcher = null;
}
Lucene.Net.Index.IndexModifier modifier = new Lucene.Net.Index.IndexModifier(DBNLConfigurationManager.LuceneElement.IndexingFolder, analyzer, false);
// same as build, but uses "modifier" instead of write.
// uses additional "where" clause for bugid
int id = (int)obj;
modifier.DeleteDocuments(new Lucene.Net.Index.Term("id", Convert.ToString(id)));
var item = new ContentService().GetContentById(id);
modifier.AddDocument(create_doc(
item.ContentId, item.Content1));
modifier.Flush();
modifier.Close();
}
catch (Exception e)
{
}
}
}
public virtual void TestIndex()
{
Directory ramDir = new RAMDirectory();
IndexModifier i = new IndexModifier(ramDir, new StandardAnalyzer(), true);
i.AddDocument(GetDoc());
Assert.AreEqual(1, i.DocCount());
i.Flush();
i.AddDocument(GetDoc(), new SimpleAnalyzer());
Assert.AreEqual(2, i.DocCount());
i.Optimize();
Assert.AreEqual(2, i.DocCount());
i.Flush();
i.DeleteDocument(0);
Assert.AreEqual(1, i.DocCount());
i.Flush();
Assert.AreEqual(1, i.DocCount());
i.AddDocument(GetDoc());
i.AddDocument(GetDoc());
i.Flush();
// depend on merge policy - Assert.AreEqual(3, i.docCount());
i.DeleteDocuments(allDocTerm);
Assert.AreEqual(0, i.DocCount());
i.Optimize();
Assert.AreEqual(0, i.DocCount());
// Lucene defaults:
Assert.IsNull(i.GetInfoStream());
Assert.IsTrue(i.GetUseCompoundFile());
Assert.AreEqual(IndexWriter.DISABLE_AUTO_FLUSH, i.GetMaxBufferedDocs());
Assert.AreEqual(10000, i.GetMaxFieldLength());
Assert.AreEqual(10, i.GetMergeFactor());
// test setting properties:
i.SetMaxBufferedDocs(100);
i.SetMergeFactor(25);
i.SetMaxFieldLength(250000);
i.AddDocument(GetDoc());
i.SetUseCompoundFile(false);
i.Flush();
Assert.AreEqual(100, i.GetMaxBufferedDocs());
Assert.AreEqual(25, i.GetMergeFactor());
Assert.AreEqual(250000, i.GetMaxFieldLength());
Assert.IsFalse(i.GetUseCompoundFile());
// test setting properties when internally the reader is opened:
i.DeleteDocuments(allDocTerm);
i.SetMaxBufferedDocs(100);
i.SetMergeFactor(25);
i.SetMaxFieldLength(250000);
i.AddDocument(GetDoc());
i.SetUseCompoundFile(false);
i.Optimize();
Assert.AreEqual(100, i.GetMaxBufferedDocs());
Assert.AreEqual(25, i.GetMergeFactor());
Assert.AreEqual(250000, i.GetMaxFieldLength());
Assert.IsFalse(i.GetUseCompoundFile());
i.Close();
try
{
i.DocCount();
Assert.Fail();
}
catch (System.SystemException e)
{
// expected exception
}
}