void SerializeVersionSerializable(object instance, TypeSerializationArgs args)
{
if (instance == null)
{
args.Writer.Write(NullVersion);
}
else
{
IVersionSerializable ivs = instance as IVersionSerializable;
args.Writer.Write((byte)ivs.CurrentVersion);
ivs.Serialize(args.Writer);
}
}
bool DeserializeVersionSerializable(ref object instance, TypeSerializationArgs args)
{
byte version = args.Reader.ReadByte();
bool success = false;
if (version != NullVersion)
{
if (instance == null)
{
instance = CreateInstance();
}
IVersionSerializable ivs = instance as IVersionSerializable;
args.Reader.Response = SerializationResponse.Success;
try
{
ivs.Deserialize(args.Reader, version);
}
catch (Exception exc)
{
const bool indicateTruncate = true;
string data = Algorithm.ToByteString(args.Reader.BaseStream, 2 << 11, indicateTruncate);
throw new SerializationException(string.Format("Failed to deserialized type {0} version {1} data {2}",
instance.GetType().FullName, version, data), exc);
}
success = true;
//throw exception if necessary
switch (args.Reader.Response)
{
case SerializationResponse.Handled:
throw new HandledVersionException(ivs.CurrentVersion, version);
case SerializationResponse.Unhandled:
throw new UnhandledVersionException(ivs.CurrentVersion, version);
default:
break;
}
}
else
{
instance = null;
}
return(success);
}
