public void MrsJones()
{
using (var dir = new RAMDirectory())
using (var analyzer = new LowerCaseKeywordAnalyzer())
{
using (var writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED))
{
var document = new Lucene.Net.Documents.Document();
document.Add(new Field("Name", "MRS. SHABA", Field.Store.NO, Field.Index.ANALYZED_NO_NORMS));
writer.AddDocument(document);
}
var searcher = new IndexSearcher(dir, true);
var termEnum = searcher.IndexReader.Terms();
while (termEnum.Next())
{
var buffer = termEnum.Term.Text;
Console.WriteLine(buffer);
}
var queryParser = new RangeQueryParser(Version.LUCENE_29, "", analyzer);
var query = queryParser.Parse("Name:\"MRS. S*\"");
Console.WriteLine(query);
var result = searcher.Search(query, 10);
Assert.NotEqual(0, result.TotalHits);
}
}
public void Initialize()
{
if (System.IO.Directory.Exists(path) == false)
System.IO.Directory.CreateDirectory(path);
directory = FSDirectory.Open(new DirectoryInfo(path));
if (IndexWriter.IsLocked(directory))
IndexWriter.Unlock(directory);
analyzer = new LowerCaseKeywordAnalyzer();
writer = new IndexWriter(directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
writer.SetMergeScheduler(new ErrorLoggingConcurrentMergeScheduler());
currentIndexSearcherHolder.SetIndexSearcher(new IndexSearcher(directory, true));
}
private void OpenIndexOnStartup()
{
analyzer = new LowerCaseKeywordAnalyzer();
snapshotter = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
bool resetTried = false;
bool recoveryTried = false;
while (true)
{
LuceneDirectory luceneDirectory = null;
try
{
luceneDirectory = OpenOrCreateLuceneDirectory(indexDirectory);
// Skip sanity test if we are running in memory. Index will not exist anyways.
if (!configuration.RunInMemory && !IsIndexStateValid(luceneDirectory))
throw new InvalidOperationException("Sanity check on the index failed.");
directory = luceneDirectory;
writer = new IndexWriter(directory, analyzer, snapshotter, IndexWriter.MaxFieldLength.UNLIMITED);
writer.SetMergeScheduler(new ErrorLoggingConcurrentMergeScheduler());
currentIndexSearcherHolder.SetIndexSearcher(new IndexSearcher(directory, true));
break;
}
catch (Exception e)
{
if (resetTried)
throw new InvalidOperationException("Could not open / create index for file system '" + name + "', reset already tried", e);
if (recoveryTried == false && luceneDirectory != null)
{
recoveryTried = true;
StartupLog.WarnException("Could not open index for file system '" + name + "'. Trying to recover index", e);
StartupLog.Info("Recover functionality is still not implemented. Skipping.");
}
else
{
resetTried = true;
StartupLog.WarnException("Could not open index for file system '" + name + "'. Recovery operation failed, forcibly resetting index", e);
TryResettingIndex();
}
}
}
}
