private static DefaultSpatialServices.ReadOnlySpatialValues CheckProviderValue(
object providerValue)
{
DefaultSpatialServices.ReadOnlySpatialValues onlySpatialValues = providerValue as DefaultSpatialServices.ReadOnlySpatialValues;
if (onlySpatialValues == null)
{
throw new ArgumentException(Strings.Spatial_ProviderValueNotCompatibleWithSpatialServices, nameof(providerValue));
}
return(onlySpatialValues);
}
public override DbGeographyWellKnownValue CreateWellKnownValue(
DbGeography geographyValue)
{
Check.NotNull <DbGeography>(geographyValue, nameof(geographyValue));
DefaultSpatialServices.ReadOnlySpatialValues onlySpatialValues = DefaultSpatialServices.CheckCompatible(geographyValue);
return(new DbGeographyWellKnownValue()
{
CoordinateSystemId = onlySpatialValues.CoordinateSystemId,
WellKnownBinary = onlySpatialValues.CloneBinary(),
WellKnownText = onlySpatialValues.Text
});
}
private static DefaultSpatialServices.ReadOnlySpatialValues CheckCompatible(
DbGeometry geometryValue)
{
if (geometryValue != null)
{
DefaultSpatialServices.ReadOnlySpatialValues providerValue = geometryValue.ProviderValue as DefaultSpatialServices.ReadOnlySpatialValues;
if (providerValue != null)
{
return(providerValue);
}
}
throw new ArgumentException(Strings.Spatial_GeometryValueNotCompatibleWithSpatialServices, nameof(geometryValue));
}