public void Handler(object sender, BasicNackEventArgs e, IPublishedMessageStore publishedMessageStore)
{
using (var tx = publishedMessageStore.BeginTransaction())
{
RmqPublishMessage targetMessage = publishedMessageStore.GetByDeliveryTag(e.DeliveryTag);
targetMessage.Status = MessageStatusConstants.Failed;
publishedMessageStore.Commit(tx);
}
}
public void Send <D>(D message, string routingKey) where D : IDomainEvent
{
var camelCaseSerializer = new JsonSerializer()
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
// set property of message
var properties = _channel.CreateBasicProperties();
properties.Persistent = true;
// map message to RmqPublishMessage object
RmqPublishMessage rmqMessage = _mapper.Map <RmqPublishMessage>(message);
// set delivery tag
rmqMessage.DeliveryTag = _channel.NextPublishSeqNo;
using (var tx = _publishedMessageStore.BeginTransaction())
{
_publishedMessageStore.Create(rmqMessage);
_publishedMessageStore.Commit(tx);
}
// RmqPublishMessage => JObject (message)
JObject rmqMessageJObject = JObject.FromObject(rmqMessage, camelCaseSerializer);
// JObject (message) => json
string jsonMessage = JsonConvert.SerializeObject(rmqMessageJObject, Formatting.None, new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
});
log.Debug("the message is about sent: ");
log.Debug(jsonMessage);
// json (message) => byte[];
var body = Encoding.UTF8.GetBytes(jsonMessage);
// send message
_channel.BasicPublish(exchange: _publisher.ExchangeName,
routingKey: routingKey,
mandatory: true,
basicProperties: properties,
body: body);
}
public void Handler(object sender, BasicReturnEventArgs e, IPublishedMessageStore publishedMessageStore)
{
using (var tx = publishedMessageStore.BeginTransaction())
{
string body = Encoding.UTF8.GetString(e.Body);
RmqPublishMessage returnedMessage = JsonConvert.DeserializeObject <RmqPublishMessage>(body);
RmqPublishMessage foundMessage = publishedMessageStore.GetByMessageId(returnedMessage.MessageId);
foundMessage.Status = MessageStatusConstants.Unroutable;
foundMessage.StatusReason = e.ReplyText;
publishedMessageStore.Update(foundMessage);
publishedMessageStore.Commit(tx);
}
}
