// Do NOT wait for the messages to be dispatched (fire and forget)
public static void Dispatch(this IMessageDispatcher messageDispatcher, DispatchDataDictionary dispatchData, bool publish, bool retryOnFailure = true, ILogger logger = null)
{
if (messageDispatcher == null)
{
throw new ArgumentNullException(nameof(messageDispatcher));
}
if (dispatchData == null)
{
throw new ArgumentNullException(nameof(dispatchData));
}
DispatchInternal(messageDispatcher, dispatchData, publish, retryOnFailure, logger);
}
public virtual ValueTask <IDispatchResult> ProcessAsync <TMessage>(DispatchDataDictionary <TMessage> dispatchData,
Func <DispatchDataDictionary <TMessage>, ValueTask <IDispatchResult> > next,
CancellationToken cancellation)
where TMessage : class
{
if (dispatchData == null)
{
throw new ArgumentNullException(nameof(dispatchData));
}
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
return(next(dispatchData));
}
private static async void DispatchInternal(
IMessageDispatcher messageDispatcher,
DispatchDataDictionary dispatchData,
bool publish,
bool retryOnFailure,
ILogger logger)
{
// Assuming the argument are already checked.
try
{
IDispatchResult dispatchResult;
do
{
dispatchResult = await messageDispatcher.DispatchAsync(dispatchData, publish, cancellation : default);
}while (!dispatchResult.IsSuccess && retryOnFailure);
}
catch (Exception exc)
{
ExceptionHelper.LogException(exc, logger);
}
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (!CanConvert(objectType))
{
throw new InvalidOperationException();
}
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
if (reader.TokenType != JsonToken.StartObject)
{
throw new InvalidOperationException();
}
var messageType = objectType.IsGenericTypeDefinition ? objectType.GetGenericArguments().First() : null;
object message = null;
ImmutableDictionary <string, object> .Builder data = null;
while (reader.Read())
{
if (reader.TokenType == JsonToken.EndObject)
{
break;
}
else if (reader.TokenType == JsonToken.PropertyName)
{
if ((string)reader.Value == "message-type")
{
reader.Read();
var deserializedMessageType = TypeLoadHelper.LoadTypeFromUnqualifiedName(reader.Value as string);
if (messageType != null && messageType != deserializedMessageType)
{
throw new InvalidOperationException();
}
messageType = deserializedMessageType;
}
else if ((string)reader.Value == "message")
{
reader.Read();
message = serializer.Deserialize(reader, typeof(object));
}
else if ((string)reader.Value == "data")
{
data = ReadData(reader, serializer);
}
else
{
throw new InvalidOperationException();
}
}
else
{
throw new InvalidOperationException();
}
}
if (messageType == null || message == null)
{
throw new InvalidOperationException();
}
return(DispatchDataDictionary.Create(messageType, message, data?.ToImmutable() ?? ImmutableDictionary <string, object> .Empty));
}