SpatialType.cs

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using System;

using Deveel.Data.Types;

namespace Deveel.Data.Spatial {
    public sealed class SpatialType : SqlType {
        public SpatialType() 
            : this(-1) {
        }

        public SpatialType(int srid) 
            : base("GEOMETRY", SqlTypeCode.Type) {
            Srid = srid;
        }

        public int Srid { get; private set; }

        public override bool IsComparable(SqlType type) {
            var otherType = type as SpatialType;
            if (otherType == null)
                return false;

            return IsComparable(otherType);
        }

        public bool IsComparable(SpatialType other) {
            // TODO: Is this a good assumption?
            return Srid.Equals(other.Srid);
        }

        public static SpatialType Geometry(int srid) {
            return new SpatialType(srid);
        }

        public static SpatialType Geometry() {
            return Geometry(-1);
        }
    }
}