public Task <AsyncExecutedResult> PublishAsync(IMessage message)
{
return(queueProducer.ProduceAsync(subscriptionManager.GetQueueTopic(message), objectSerializer.Serialize(new QueueMessage
{
Content = objectSerializer.Serialize(message),
Tag = message.GetTag()
})));
}
EventStreamDescriptor ToStreamDescriptor(EventStream stream)
{
var eventContentMapping = new Dictionary <string, string>();
foreach (var e in stream.Events)
{
eventContentMapping.Add(e.GetTag(), objectSerializer.Serialize(e));
}
return(new EventStreamDescriptor
{
AggregateRootId = stream.AggregateRootId,
AggregateRootTypeName = stream.AggregateRootTypeName,
CommandId = stream.CommandId,
Events = objectSerializer.Serialize(eventContentMapping),
Id = stream.Id,
Timestamp = stream.Timestamp,
Version = stream.Version
});
}
public Task <AsyncExecutedResult> PublishStreamAsync(EventStream stream)
{
var events = new Dictionary <string, string>();
foreach (var e in stream.Events)
{
events.Add(e.GetTag(), objectSerializer.Serialize(e));
}
return(queueProducer.ProduceAsync(
subscriptionManager.GetQueueTopic(stream.Events.First()),
objectSerializer.Serialize(new EventStreamMessage
{
AggregateRootId = stream.AggregateRootId,
AggregateRootTypeName = stream.AggregateRootTypeName,
CommandId = stream.CommandId,
Events = events,
Id = stream.Id,
Timestamp = stream.Timestamp,
Version = stream.Version
})));
}
async Task PublishApplicationMessageAsync(ProcessingCommand processingCommand, IApplicationMessage applicationMessage)
{
var result = await Policy
.Handle <Exception>()
.OrResult <AsyncExecutedResult>(r => !r.Succeeded)
.WaitAndRetryForeverAsync(
retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
(delegateResult, retryCount, retryAttempt) => logger.LogError(delegateResult.Exception ?? delegateResult.Result.Exception, $"命令产生的应用消息发布失败，重试。 [CommandType = {processingCommand.Command.GetType()}, CommandId = {processingCommand.Command.Id}, ApplicationMessageType = {applicationMessage.GetType()}, ApplicationMessageId = {applicationMessage.Id}, ApplicationMessageRoutingKey = {applicationMessage.GetRoutingKey()}, RetryCount = {retryCount}, RetryAttempt = {retryAttempt}]"))
.ExecuteAsync(() => applicationMessagePublisher.PublishAsync(applicationMessage));
if (result.Succeeded)
{
logger.LogDebug($"命令产生的应用消息发布成功。 [CommandType = {processingCommand.Command.GetType()}, CommandId = {processingCommand.Command.Id}, ApplicationMessageType = {applicationMessage.GetType()}, ApplicationMessageId = {applicationMessage.Id}, ApplicationMessageRoutingKey = {applicationMessage.GetRoutingKey()}]");
await processingCommand.OnQueueProcessedAsync(CommandExecutedStatus.Succeeded, objectSerializer.Serialize(applicationMessage), applicationMessage.GetTag());
}
else
{
logger.LogDebug(result.Exception, $"命令产生的应用消息发布失败。 [CommandType = {processingCommand.Command.GetType()}, CommandId = {processingCommand.Command.Id}, ApplicationMessageType = {applicationMessage.GetType()}, ApplicationMessageId = {applicationMessage.Id}, ApplicationMessageRoutingKey = {applicationMessage.GetRoutingKey()}]");
}
}