this.allModelUpdates.put(new Integer(assosiatedId), update);  return assosiatedId;
this.allModelUpdates.put(new Integer(id), update); return id;
    public int mapModelUpdate(ArmylistModelUpdate update){        int assosiatedId = this.nextModelUpdateId ++;                this.allModelUpdates.put(new Integer(assosiatedId), update);                return assosiatedId;    }