Ejemplo n.º 1
0
        public void Publish(IntegrationEvent @event)
        {
            if (!_persisterConnection.IsConnected)
            {
                _persisterConnection.TryConnect();
            }

            var policy = RetryPolicy.Handle <BrokerUnreachableException>()
                         .Or <SocketException>()
                         .WaitAndRetry(5, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)), (ex, time) =>
            {
                _logger.LogWarning(ex.ToString());
            });

            using (var channel = _persisterConnection.CreateModel())
            {
                var eventName = @event.GetType()
                                .Name;

                channel.ExchangeDeclare(exchange: BROKER_NAME,
                                        type: "direct");

                var message = JsonConvert.SerializeObject(@event);
                var body    = Encoding.UTF8.GetBytes(message);

                policy.Execute(() =>
                {
                    channel.BasicPublish(exchange: BROKER_NAME,
                                         routingKey: eventName,
                                         basicProperties: null,
                                         body: body);
                });
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// 处理事件已删除事件
        /// </summary>
        private void SubscriptionsManager_OnEventRemoved(object sender, string eventName)
        {
            //建立连接
            if (!persisterConnection.IsConnected)
            {
                persisterConnection.TryConnect();
            }

            using (var channel = persisterConnection.CreateModel()) {
                channel.QueueUnbind(queue: queueName, exchange: BROKER_NAME, routingKey: eventName);

                //没有事件订阅者
                if (subscriptionsManager.IsEmpty)
                {
                    queueName = "";
                    consumerChannel.Close();
                }
            }
        }
Ejemplo n.º 3
0
        private void _subsManager_OnEventRemoved(object sender, string eventName)
        {
            if (!_persistentConnection.IsConnected)
            {
                _persistentConnection.TryConnect();
            }

            using (var channel = _persistentConnection.CreateModel())
            {
                channel.QueueUnbind(queue: _queueName,
                                    exchange: BROKER_NAME,
                                    routingKey: eventName);

                if (_subsManager.IsEmpty)
                {
                    _queueName = string.Empty;
                    _consumerChannel.Close();
                }
            }
        }
Ejemplo n.º 4
0
        private void SubsManager_OnEventRemoved(object sender, string eventName)
        {
            if (!_persister.IsConnected)
            {
                _persister.TryConnect();
            }

            using (var channel = _persister.CreateModel())
            {
                channel.QueueUnbind(_queueName, BROKER_NAME, eventName);

                if (!_subscriptionManager.IsEmpty)
                {
                    return;
                }

                _queueName = string.Empty;
                _consumerChannel.Close();
            }
        }