private void CopyIndexFiles(IndexSnapshot snapshot, LuceneSearchManager indexManager,
string backupDirectoryPath, CancellationToken cancellationToken)
{
using (var op = SnTrace.Index.StartOperation("BackupManager: Copy index files."))
{
var sourceDirectoryPath = indexManager.IndexDirectory.CurrentDirectory;
// Calculate initial progress
BackupInfo.CountOfFiles = snapshot.FileNames.Length;
BackupInfo.TotalBytes = snapshot.FileNames
.Sum(x => new FileInfo(Path.Combine(sourceDirectoryPath, x)).Length);
SnTrace.Index.Write("BackupManager: count of files: {0}, total bytes: {1}",
BackupInfo.CountOfFiles, BackupInfo.TotalBytes);
CopyFile(sourceDirectoryPath, backupDirectoryPath, snapshot.SegmentFileName, cancellationToken);
foreach (var fileName in snapshot.FileNames)
{
CopyFile(sourceDirectoryPath, backupDirectoryPath, fileName, cancellationToken);
}
op.Successful = true;
}
}
/// <summary>
/// Initializes an instance of the Lucene29LocalIndexingEngine class.
/// </summary>
/// <param name="indexDirectory">File system directory for storing the index.
/// If not provided, <see cref="SearchManager.IndexDirectoryPath"/> will be used.</param>
public Lucene29LocalIndexingEngine(IndexDirectory indexDirectory)
{
var indexDir = indexDirectory ?? new IndexDirectory(null, SearchManager.IndexDirectoryPath);
LuceneSearchManager = new LuceneSearchManager(indexDir, Notification.NotificationSender);
SetEventhandlers();
}
public static LucQuery Create(Query luceneQuery, LuceneSearchManager searchManager)
{
return(new LucQuery
{
Query = luceneQuery,
LuceneSearchManager = searchManager
});
}
public void Backup(IndexingActivityStatus state, string backupDirectoryPath,
LuceneSearchManager indexManager, CancellationToken cancellationToken)
{
using (var op = SnTrace.Index.StartOperation("BackupManager: INDEX BACKUP. Target: " + backupDirectoryPath))
{
SnTrace.Index.Write("BackupManager: IndexingActivityStatus: " + state);
BackupInfo.StartedAt = DateTime.UtcNow;
EnsureEmptyBackupDirectory(backupDirectoryPath, cancellationToken);
using (var snapshot = indexManager.CreateSnapshot(state))
CopyIndexFiles(snapshot, indexManager, backupDirectoryPath, cancellationToken);
BackupInfo.FinishedAt = DateTime.UtcNow;
op.Successful = true;
}
}
public LucQueryToStringVisitor(LuceneSearchManager searchManager)
{
LuceneSearchManager = searchManager;
}
