/***************************************************/
private object DeserializeDiscriminatedValue(BsonDeserializationContext context, BsonDeserializationArgs args)
{
// First try to recover the object type
IBsonReader reader = context.Reader;
BsonReaderBookmark bookmark = reader.GetBookmark();
Type actualType = typeof(CustomObject);
try
{
actualType = _discriminatorConvention.GetActualType(reader, typeof(object));
}
catch
{
try
{
context.Reader.ReturnToBookmark(bookmark);
DeprecatedSerializer deprecatedSerialiser = new DeprecatedSerializer();
return(deprecatedSerialiser.Deserialize(context, args));
}
catch { }
}
context.Reader.ReturnToBookmark(bookmark);
if (actualType == null)
{
return(null);
}
// Handle the special case where the type is object
if (actualType == typeof(object))
{
BsonType currentBsonType = reader.GetCurrentBsonType();
if (currentBsonType == BsonType.Document && context.DynamicDocumentSerializer != null)
{
return(context.DynamicDocumentSerializer.Deserialize(context, args));
}
reader.ReadStartDocument();
reader.ReadEndDocument();
return(new object());
}
// Handle the general case of finding the correct deserialiser and calling it
try
{
if (!BsonClassMap.IsClassMapRegistered(actualType))
{
Compute.RegisterClassMap(actualType); // LookupSerializer creates the classMap if it doesn't exist so important to do it through our own method
}
IBsonSerializer bsonSerializer = BsonSerializer.LookupSerializer(actualType);
if (bsonSerializer.GetType().Name == "EnumerableInterfaceImplementerSerializer`2" && context.Reader.CurrentBsonType == BsonType.Document)
{
if (!m_FallbackSerialisers.ContainsKey(actualType))
{
CreateFallbackSerialiser(actualType);
}
bsonSerializer = m_FallbackSerialisers[actualType];
}
else if (actualType.Name == "Dictionary`2" && context.Reader.CurrentBsonType == BsonType.Document)
{
DictionarySerializer dicSerialiser = new DictionarySerializer();
return(dicSerialiser.Deserialize(context, args));
}
return(bsonSerializer.Deserialize(context, args));
}
catch (Exception e)
{
if (e.Message.Contains("Could not load file or assembly"))
{
Engine.Reflection.Compute.RecordError(e.Message);
}
context.Reader.ReturnToBookmark(bookmark);
DeprecatedSerializer deprecatedSerialiser = new DeprecatedSerializer();
return(deprecatedSerialiser.Deserialize(context, args));
}
}
/***************************************************/
/**** Private Helper Methods ****/
/***************************************************/
private void SerializeDiscriminatedValue(BsonSerializationContext context, BsonSerializationArgs args, object value, Type actualType)
{
if (actualType.Name == "RuntimeMethodInfo" || actualType.Name == "RuntimeConstructorInfo")
{
actualType = typeof(MethodBase);
}
else if (actualType.Name == "RuntimeType")
{
actualType = typeof(Type);
}
else if (value is Enum)
{
actualType = typeof(Enum);
}
if (!BsonClassMap.IsClassMapRegistered(actualType))
{
Compute.RegisterClassMap(actualType);
}
var serializer = BsonSerializer.LookupSerializer(actualType);
if (serializer.GetType().Name == "EnumerableInterfaceImplementerSerializer`2" && context.Writer.State == BsonWriterState.Initial)
{
if (!m_FallbackSerialisers.ContainsKey(actualType))
{
CreateFallbackSerialiser(actualType);
}
serializer = m_FallbackSerialisers[actualType];
}
var polymorphicSerializer = serializer as IBsonPolymorphicSerializer;
if (polymorphicSerializer != null && polymorphicSerializer.IsDiscriminatorCompatibleWithObjectSerializer)
{
serializer.Serialize(context, args, value);
}
else
{
if (context.IsDynamicType != null && context.IsDynamicType(value.GetType()))
{
args.NominalType = actualType;
serializer.Serialize(context, args, value);
}
else
{
var bsonWriter = context.Writer;
if (actualType.Name == "Dictionary`2")
{
Type keyType = actualType.GenericTypeArguments[0];
if (keyType == typeof(string))
{
serializer.Serialize(context, value);
}
else
{
DictionarySerializer dicSerialiser = new DictionarySerializer();
dicSerialiser.Serialize(context, value);
}
}
else
{
serializer.Serialize(context, value);
}
}
}
}
