this.allModels.put(new Integer(assosiatedId), update);  return assosiatedId;
this.allModels.put(new Integer(id), update); return id;
    public int mapModel(ArmylistModel update){        int assosiatedId = this.nextModelId ++;                this.allModels.put(new Integer(assosiatedId), update);                return assosiatedId;    }