@Override
    public int hashCode() {
        int hash = 7;
        hash = 71 * hash + (this.mapID != null ? this.mapID.hashCode() : 0);
        hash = 71 * hash + (this.map != null ? this.map.hashCode() : 0);
        hash = 71 * hash + (this.cell != null ? this.cell.hashCode() : 0);
        return hash;
    }