public WithEncryptionRegistry(ISerializationRegistry registry, IKeyStore store)
{
_registry = registry;
_store = store;
_postprocessorFactory = s => d => store.Encrypt(s, d);
_preprocessorFactory = store.DecryptFactory;
}
public static ISerializationRegistry RegisterEventSerializer <T>(
this ISerializationRegistry registry,
string typeName,
int version,
Func <T, IMetadata, JObject> serializer,
CreatePostprocessor postprocessor = null
) where T : Event
{
var r = (IRegisterEventSerializers)registry;
r.Register(typeName, version, serializer, postprocessor);
return(registry);
}
void IRegisterEventSerializers.Register <T>(string typeName, int version, Func <T, IMetadata, JObject> serializer, CreatePostprocessor postProcessor)
{
postProcessor = postProcessor ?? DefaultPostprocessor;
byte[] Serialize(string id, Event e, Metadata m)
{
m.Type = typeName;
m.Version = version;
var json = serializer((T)e, m);
var bytes = json.ToBytes();
return(postProcessor(id)(bytes));
}
if (_eventSerializers.ContainsKey(typeof(T)))
{
throw new InvalidOperationException($"Serializer already registered for {typeof(T)}");
}
_eventSerializers.Add(typeof(T), Serialize);
}
public static ISerializationRegistry DefaultForEvent <T>(this ISerializationRegistry registry, CreatePostprocessor postSerialization = null, CreatePreprocessor preDeserialization = null)
where T : Event
{
bool prePostIsValidEnough = (postSerialization != null && preDeserialization != null) ||
(postSerialization == null && preDeserialization == null);
if (!prePostIsValidEnough)
{
throw new ArgumentException("Both pre and post serialization must be specified or neither");
}
return(registry
.RegisterEventSerializer <T>(CamelCase(typeof(T).Name), 1,
(e, m) => JObject.FromObject(e, SerializationRegistry.DefaultSerializer), postSerialization)
.RegisterEventDeserializer(typeof(object), CamelCase(typeof(T).Name), 1,
(json, m) => {
var e = json.ToObject <T>(SerializationRegistry.DefaultSerializer);
var em = (IEvent)e;
em.Metadata = (IMetadata)m;
return e;
}, preDeserialization));
}
public void Register <T>(string typeName, int version, Func <T, IMetadata, JObject> serializer, CreatePostprocessor postProcessor) where T : Event
{
_registry.Register(typeName, version, serializer, _postprocessorFactory);
}
