GeoSpatialObjectReference.cs

using System.Threading.Tasks;
 
namespace Waher.Runtime.Geo
{
    public class GeoSpatialObjectReference : IGeoSpatialObjectReference
    {
        public GeoSpatialObjectReference()
        {
        }
 
        public GeoSpatialObjectReference(GeoSpatialObject Object)
        {
            this.GeoId = Object.GeoId;
            this.Location = Object.Location;
            this.EphemeralLocation = Object.EphemeralLocation;
        }
 
        public static async Task<GeoSpatialObjectReference> Create(IGeoSpatialObject Object)
        {
            return new GeoSpatialObjectReference()
            {
                GeoId = Object.GeoId,
                EphemeralLocation = Object.EphemeralLocation,
                Location = await Object.GetLocation()
            };
        }
 
        public string GeoId { get; set; }
 
        public GeoPosition Location { get; set; }
 
        public bool EphemeralLocation { get; set; }
 
        public override bool Equals(object obj)
        {
            if (!(obj is GeoSpatialObjectReference Reference))
                return false;
 
            return
                this.GeoId.Equals(Reference.GeoId) &&
                this.EphemeralLocation.Equals(Reference.EphemeralLocation) &&
                (this.Location?.Equals(Reference.Location) ?? (Reference.Location is null));
        }
 
        public override int GetHashCode()
        {
            int Result = this.GeoId.GetHashCode();
            Result ^= Result << 5 ^ this.EphemeralLocation.GetHashCode();
            Result ^= Result << 5 ^ (this.Location?.GetHashCode() ?? 0);
 
            return Result;
        }
    }
}