public static void InitializeTypeMappings(IServiceProvider ServiceProvider)
{
GrainReferenceConverter = ServiceProvider.GetRequiredService <IGrainReferenceConverter>();
AsReferenceMethodInfo = typeof(GrainExtensions).GetMethod("AsReference", new Type[] { typeof(IAddressable) });
CustomTypeRegistry.AddTypeMapping(typeof(DateTime), typeof(long), false);
CustomTypeRegistry.AddTypeMapping(typeof(DateTime?), typeof(long?), false);
CustomTypeRegistry.AddTypeMapping(typeof(DateTime[]), typeof(long[]), false);
CustomTypeRegistry.AddTypeMapping(typeof(IAddressable), typeof(nullable <blob>), true);
CustomTypeRegistry.AddTypeMapping(typeof(Guid?), typeof(nullable <blob>), false);
CustomTypeRegistry.AddTypeMapping(typeof(Guid), typeof(blob), false);
CustomTypeRegistry.AddTypeMapping(typeof(Guid[]), typeof(blob[]), false);
// Automatically resolve IGenericSerializable fields or fields with GenericSerializationAttribute to blobs
CustomTypeRegistry.RegisterResolutionCallback(ResolveSchemaField);
// Globally register this as a type converter for all types
CustomTypeRegistry.RegisterTypeConverter(typeof(BondTypeAliasConverter));
}
public Expression Convert(Expression value, Type type)
{
if (type == typeof(Tag.blob))
{
type = typeof(ArraySegment <byte>);
}
if (type == typeof(Tag.wstring))
{
type = typeof(string);
}
if (type != value.Type &&
value.Type.IsGenericType() &&
value.Type.GetGenericTypeDefinition() == typeof(Nullable <>) &&
!(type.IsGenericType() && type.GetGenericTypeDefinition() == typeof(Nullable <>)))
{
value = Expression.Convert(value, value.Type.GetTypeInfo().GenericTypeArguments[0]);
}
if (type != value.Type)
{
// Converter can be defined either in the namespace/assembly of one of the types
// being converted or the namespace/assembly of the schema where the alias is used.
var all = new[] { type, value.Type }.Select(GetConverter).Where(c => c != null).Concat(converters).Concat(CustomTypeRegistry.GetTypeConverters());
foreach (var converter in all)
{
var convert = converter.ResolveMethod("Convert", value.Type, type, typeof(Type));
if (convert != null)
{
return(Expression.Call(null, convert, value, Expression.Default(type), Expression.Constant(type)));
}
}
}
return(value);
}
