private static TypeUsage GetStoreTypeUsage(DbModel model, SimpleTypeDescriptor simpleTypeDescriptor)
{
TypeUsage typeUsage = null;
if (!string.IsNullOrEmpty(simpleTypeDescriptor.StoreTypeName))
{
PrimitiveType primitiveType = model.ProviderManifest.GetStoreTypes().SingleOrDefault(t => string.Compare(t.Name, simpleTypeDescriptor.StoreTypeName, true) == 0);
if (primitiveType == null)
{
throw new InvalidOperationException(string.Format("Store edm type with name '{0}' is not found.", simpleTypeDescriptor.StoreTypeName));
}
typeUsage = GetTypeUsage(primitiveType.GetEdmPrimitiveType(), simpleTypeDescriptor);
if (typeUsage == null)
{
throw new InvalidOperationException(string.Format("Type usage for type with name '{0}' is not found.", simpleTypeDescriptor.StoreTypeName));
}
}
else
{
SimpleType simpleType = GetSimpleEdmType(model, simpleTypeDescriptor.Type);
if (simpleType == null)
{
throw new InvalidOperationException(string.Format("Edm type is not found for type '{0}'.", simpleTypeDescriptor.Type.FullName));
}
typeUsage = GetTypeUsage(simpleType, simpleTypeDescriptor);
if (typeUsage == null)
{
throw new InvalidOperationException(string.Format("Type usage for type with name '{0}' is not found.", simpleTypeDescriptor.StoreTypeName));
}
}
return(model.ProviderManifest.GetStoreType(typeUsage));
}
private static TypeUsage GetTypeUsage(EdmType edmType, SimpleTypeDescriptor simpleTypeDescriptor)
{
if (edmType.BuiltInTypeKind == BuiltInTypeKind.PrimitiveType)
{
PrimitiveType primitiveType = (PrimitiveType)edmType;
switch (primitiveType.PrimitiveTypeKind)
{
case PrimitiveTypeKind.Binary:
return(simpleTypeDescriptor.Length.HasValue && simpleTypeDescriptor.Length.Value >= 0 ?
TypeUsage.CreateBinaryTypeUsage(primitiveType, simpleTypeDescriptor.IsFixedLength.HasValue && simpleTypeDescriptor.IsFixedLength.Value, simpleTypeDescriptor.Length.Value) :
simpleTypeDescriptor.IsFixedLength.HasValue?TypeUsage.CreateBinaryTypeUsage(primitiveType, simpleTypeDescriptor.IsFixedLength.Value) : TypeUsage.CreateDefaultTypeUsage(primitiveType));
case PrimitiveTypeKind.String:
return(simpleTypeDescriptor.Length.HasValue && simpleTypeDescriptor.Length.Value >= 0 ?
TypeUsage.CreateStringTypeUsage(primitiveType, true, simpleTypeDescriptor.IsFixedLength.HasValue && simpleTypeDescriptor.IsFixedLength.Value, simpleTypeDescriptor.Length.Value) :
simpleTypeDescriptor.IsFixedLength.HasValue?TypeUsage.CreateStringTypeUsage(primitiveType, true, simpleTypeDescriptor.IsFixedLength.Value) : TypeUsage.CreateDefaultTypeUsage(primitiveType));
case PrimitiveTypeKind.Decimal:
return(simpleTypeDescriptor.Precision.HasValue && simpleTypeDescriptor.Scale.HasValue ?
TypeUsage.CreateDecimalTypeUsage(primitiveType, simpleTypeDescriptor.Precision.Value, simpleTypeDescriptor.Scale.Value) : TypeUsage.CreateDefaultTypeUsage(primitiveType));
case PrimitiveTypeKind.DateTimeOffset:
return(TypeUsage.CreateDateTimeOffsetTypeUsage(primitiveType, simpleTypeDescriptor.Precision));
case PrimitiveTypeKind.Time:
return(TypeUsage.CreateTimeTypeUsage(primitiveType, simpleTypeDescriptor.Precision));
}
}
return(TypeUsage.CreateDefaultTypeUsage(edmType));
}
