private void addPermission(FolderEntity folder, GroupEntity group, FolderPermissionType perm) {
FolderPermissionEntity p = new FolderPermissionEntity(folder.getId(), perm, group.getId());
getDao().getFolderPermissionDao().save(p);
}
private void addUserGroup(UserEntity user, GroupEntity group) {
UserGroupEntity userGroup = new UserGroupEntity(group.getId(), user.getId());
getDao().getUserGroupDao().save(userGroup);
}