/**
* 从alterationMonitor中删除fileObserver
*
* @param fileObserver
*/
private void removeObserver(SeafileObserver fileObserver) {
alterationMonitor.removeObserver(fileObserver.getAlterationObserver());
}
/**
* 将fileObserver加入到alterationMonitor中
*
* @param fileObserver
*/
private void addObserver(SeafileObserver fileObserver) {
alterationMonitor.addObserver(fileObserver.getAlterationObserver());
}
