public int mapModel(ArmylistModel update){ int assosiatedId = this.nextModelId ++;
public int mapModel(ArmylistModel update, int id){ if(this.nextModelId <= id) this.nextModelId = id + 1;
    public int mapModel(ArmylistModel update){        int assosiatedId = this.nextModelId ++;                this.allModels.put(new Integer(assosiatedId), update);                return assosiatedId;    }