internal static TypeUsage ValidateAndConvertTypeUsage(
TypeUsage cspaceType,
TypeUsage sspaceType)
{
// if we are already C-Space, dont call the provider. this can happen for functions.
var modelEquivalentSspace = sspaceType;
if (sspaceType.EdmType.DataSpace
== DataSpace.SSpace)
{
modelEquivalentSspace = sspaceType.GetModelTypeUsage();
}
// check that cspace type is subtype of c-space equivalent type from the ssdl definition
if (ValidateScalarTypesAreCompatible(cspaceType, modelEquivalentSspace))
{
return(modelEquivalentSspace);
}
return(null);
}
/// <summary>
/// Returns a model (C-Space) typeusage for the given typeusage. if the type is already in c-space, it returns
/// the given typeusage. The typeUsage returned is created by invoking the provider service to map from provider
/// specific type to model type.
/// </summary>
/// <param name="typeUsage"> typeusage </param>
/// <returns> the respective Model (C-Space) typeusage </returns>
internal static TypeUsage GetModelTypeUsage(TypeUsage typeUsage)
{
return(typeUsage.GetModelTypeUsage());
}