public override void Execute(DateTime runDate, Action <string> logMessage, CancellationToken cancellationToken) { using (IDirectoryRepository source = RepositoryFactory.CreateDirectoryRepository(sourceDirectory)) { logMessage($"Connected to source repository '{source.Name}' ({source.ConnectionString})"); using (IDirectoryRepository destination = RepositoryFactory.CreateDirectoryRepository(destinationDirectory)) { logMessage($"Connected to destination repository '{destination.Name}' ({destination.ConnectionString})"); Regex filePattern = new Regex(arguments.FilePattern, RegexOptions.IgnoreCase); List <DirectoryObjectMetadata> destinationFiles = destination.ListFiles("/").ToList(); int newCount = 0, modified = 0; foreach (DirectoryObjectMetadata file in source.ListFiles("/").Where(x => filePattern.IsMatch(x.Name))) { try { if (!destinationFiles.Select(x => x.Name).Contains(file.Name)) { logMessage($"Processing {file.Name} from {source.Name} to {destination.Name}"); using (Stream destStream = destination.CreateFile("TMP" + file.Name, FileCreationMode.Overwrite)) { using (Stream sourceStream = source.OpenFile(file.Name)) { sourceStream.CopyTo(destStream); } } destination.CopyFile("TMP" + file.Name, file.Name); destination.DeleteFile("TMP" + file.Name); logMessage($"Added {file.Name} from {source.Name} to {destination.Name}"); newCount++; if (cancellationToken.IsCancellationRequested) { source.Dispose(); destination.Dispose(); cancellationToken.ThrowIfCancellationRequested(); } } else { DirectoryObjectMetadata destinationFile = destinationFiles.Find(x => x.Name == file.Name); if (file.ModifiedDate > destinationFile.ModifiedDate) { logMessage($"Processing {file.Name} from {source.Name} to {destination.Name}"); using (Stream destStream = destination.CreateFile("TMP" + file.Name, FileCreationMode.Overwrite)) { using (Stream sourceStream = source.OpenFile(file.Name)) { sourceStream.CopyTo(destStream); } } destination.DeleteFile(file.Name); destination.MoveFile("TMP" + file.Name, file.Name); logMessage($"Updated {file.Name} from {source.Name} to {destination.Name}"); modified++; if (cancellationToken.IsCancellationRequested) { source.Dispose(); destination.Dispose(); cancellationToken.ThrowIfCancellationRequested(); } } } } catch (Exception) { destination.DeleteFile("TMP" + file.Name); throw; } } logMessage($"Discovered {newCount} new files and {modified} updated files)."); } } }