public override string AsGml(DbGeometry geometryValue)
{
CheckParameterNotNull("geometryValue", geometryValue);
dynamic providerValue = geometryValue.ProviderValue;
return providerValue.AsGml().Value;
}
public override DbGeometry Buffer(DbGeometry geometryValue, double distance)
{
CheckParameterNotNull("geometryValue", geometryValue);
dynamic providerValue = geometryValue.ProviderValue;
return GeometryFromProviderValue(providerValue.STBuffer(distance));
}
public override string AsText(DbGeometry geometryValue)
{
CheckParameterNotNull("geometryValue", geometryValue);
dynamic providerValue = geometryValue.ProviderValue;
return providerValue.STAsText().ToSqlString().Value;
}
public override byte[] AsBinary(DbGeometry geometryValue)
{
CheckParameterNotNull("geographyValue", geometryValue);
dynamic providerValue = geometryValue.ProviderValue;
return providerValue.STAsBinary().Value;
}
public override string AsText(DbGeometry geometryValue)
{
if (geometryValue == null)
throw new ArgumentNullException("geometryValue");
var providerValue = new MySqlGeometry();
MySqlGeometry.TryParse(geometryValue.ProviderValue.ToString(), out providerValue);
return providerValue.ToString();
}
private static ReadOnlySpatialValues CheckCompatible(DbGeometry geometryValue)
{
Debug.Assert(geometryValue != null, "Validate geometryValue is non-null before calling CheckCompatible");
if (geometryValue != null)
{
ReadOnlySpatialValues expectedValue = geometryValue.ProviderValue as ReadOnlySpatialValues;
if (expectedValue != null)
{
return expectedValue;
}
}
throw SpatialExceptions.GeometryValueNotCompatibleWithSpatialServices("geometryValue");
}
public override DbGeometry InteriorRingAt(DbGeometry geometryValue, int index)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry GetExteriorRing(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry GetCentroid(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry PointAt(DbGeometry geometryValue, int index)
{
throw SpatialServicesUnavailable();
}
public override bool? GetIsRing(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override byte[] AsBinary(DbGeometry geometryValue)
{
geometryValue.CheckNull("geometryValue");
ReadOnlySpatialValues expectedValue = CheckCompatible(geometryValue);
return expectedValue.CloneBinary();
}
public override string GetSpatialTypeName(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry GetEnvelope(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override int GetDimension(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry SymmetricDifference(DbGeometry geometryValue, DbGeometry otherGeometry)
{
throw SpatialServicesUnavailable();
}
public override double? GetYCoordinate(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override string AsGml(DbGeometry geometryValue)
{
geometryValue.CheckNull("geometryValue");
ReadOnlySpatialValues expectedValue = CheckCompatible(geometryValue);
return expectedValue.GML;
}
public override DbGeometry GetStartPoint(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override bool Overlaps(DbGeometry geometryValue, DbGeometry otherGeometry)
{
throw SpatialServicesUnavailable();
}
public override int? GetPointCount(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override bool Relate(DbGeometry geometryValue, DbGeometry otherGeometry, string matrix)
{
throw SpatialServicesUnavailable();
}
public override double? GetArea(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry Buffer(DbGeometry geometryValue, double distance)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry GetPointOnSurface(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override double Distance(DbGeometry geometryValue, DbGeometry otherGeometry)
{
throw SpatialServicesUnavailable();
}
public override int? GetInteriorRingCount(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public override DbGeometry GetConvexHull(DbGeometry geometryValue)
{
throw SpatialServicesUnavailable();
}
public static object ConvertToSqlTypesGeometry(DbGeometry geometry)
{
var providerValue = geometry.ProviderValue;
if (providerValue == null || providerValue.GetType() == SqlGeometryType)
{
return providerValue;
}
// DbGeography value created by a different spatial services
throw new NotSupportedException("DbGeometry values not backed by Sql Server spatial types are not supported.");
}
public override DbGeometry Union(DbGeometry geometryValue, DbGeometry otherGeometry)
{
throw SpatialServicesUnavailable();
}