public PlaceAppService(IPlaceDbService placeDb, IPlaceGroupDbService placeGroupDb)
 {
     this._PlaceDB      = placeDb;
     this._placeGroupDB = placeGroupDb;
 }
 public PlaceGroupAppService(IPlaceGroupDbService placeGroupDb)
 {
     this._PlaceGroupDb = placeGroupDb;
 }