public void Backup(IEnumerable <string> items, Guid backupId)
{
var callback = OperationContext.Current.GetCallbackChannel <IBackupServiceCallback>();
var backup = new BackupCommand
{
SendBackupItem = item => callback.SendBackupItem(item),
SendWarningLog = message => callback.SendWarningLog(message),
SendBackupComplete = callback.SendBackupCompleted
};
backup.Initialize(files);
backups.TryAdd(backupId, backup);
backup.RunBackup(items);
}
