Comments (3)
(I removed previous post because I found the cause while I reproduced issue #46, and edit at 15:15)
Hi @JamesWM
Sorry for inconvinience and delay.
I found it is by design to work around C# and CLR reflection API desigin -- they DO NOT gurantee the order of the field. MessagePack CLI sorts membres in lexical order to avoid future incompatibility of stored data. So your MessageDescriptor
might be serialized as [<messageId>, <version>]
, so the version=1
was deserialized as messageId
.
Please try to put [MessagePackMembrer(n)] attributes to your fields to specify explicit order like:
public class MessageDescriptor
{
[MessagePackMember(0)]
public byte version = 1;
[MessagePackMember(1)]
public MessageId messageId;
...
}
-Note: I guess an annotation to specify order is needed in Java (see http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html#getDeclaredFields%28%29 , it states that the order returned from reflection API is undefined in Java too), but I am not expart of MessagePack Java (@Index
annotation looks help you)-
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Ok - similar to issue 46. I will try this and update with results (might be a day or two).
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Got around to testing this, and it works as long as:
There are @Index attributes for each of the enum members in the java class, and the @Index values are zero-based, and the enum values are also 0-based, and their values are all equal to the @Index attribute values.
...and the same is true on the C# side, with the enum attributed with [MessagePackEnum(SerializationMethod=EnumSerializationMethod.ByUnderlyingValue)]
...then I can get enum's to interoperate between the languages.
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