Example #1
0
        private static void DemoRootScope_MessageAConsumer_MessageBConsumer()
        {
            (string idA, string queueA, int priorityA, ushort prefetchCountA) =
                (
                    $"{nameof(DemoRootScope_MessageAConsumer_MessageBConsumer)} Consumer A",
                    $"{nameof(DemoRootScope_MessageAConsumer_MessageBConsumer)}-{nameof(IMessageA)}",
                    1,
                    0
                );

            (string idB, string queueB, int priorityB, ushort prefetchCountB) =
                (
                    $"{nameof(DemoRootScope_MessageAConsumer_MessageBConsumer)} Consumer B",
                    $"{nameof(DemoRootScope_MessageAConsumer_MessageBConsumer)}-{nameof(IMessageB)}",
                    1,
                    0
                );

            using (var messageAConsumerBus =
                       new MassTransitConsumer <IMessageA, MessageAConsumer>(idA, queueA, priorityA, prefetchCountA))
                using (var messageBConsumerBus =
                           new MassTransitConsumer <IMessageB, MessageBConsumer>(idB, queueB, priorityB, prefetchCountB))
                {
                    using (var publisherBus = new MassTransitPublisher($"{nameof(DemoScoped_MessageAConsumer_MessageBConsumer)} Publisher"))
                    {
                        Console.WriteLine("================================================");
                        Console.WriteLine("This demo has 2 consumers and 1 publisher");
                        Console.WriteLine("Each runs its own bus, created at root or global DI scope");
                        Console.WriteLine($"Publisher publishes {nameof(IMessageA)} and {nameof(IMessageB)} message");
                        Console.WriteLine($"One consumer takes {nameof(IMessageA)} message");
                        Console.WriteLine($"Second consumer takes {nameof(IMessageB)} message");
                        Console.WriteLine("================================================");
                        Console.WriteLine("Press any key to start");
                        Console.ReadKey();

                        messageAConsumerBus.BusControl.StartAsync(new CancellationToken());
                        messageAConsumerBus.Logger.LogInformation($"[{messageAConsumerBus.Id}] Bus started in scope");

                        messageBConsumerBus.BusControl.StartAsync(new CancellationToken());
                        messageBConsumerBus.Logger.LogInformation($"[{messageBConsumerBus.Id}] Bus started in scope");

                        publisherBus.BusControl.Start();
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Bus started in scope");

                        var messageA = new MessageA(1);
                        publisherBus.BusControl.Publish <IMessageA>(messageA);
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Published MessageA {messageA}");

                        Thread.Sleep(250);
                        var messageB = new MessageB(1);
                        publisherBus.BusControl.Publish <IMessageB>(messageB);
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Published MessageB {messageB}");

                        Console.ReadKey();
                    }
                }
        }
Example #2
0
        private static void DemoScoped_MessageAConsumer_MessageBConsumer()
        {
            string idA = $"{nameof(DemoScoped_MessageAConsumer_MessageBConsumer)}{nameof(MessageAConsumer)}";
            string idB = $"{nameof(DemoScoped_MessageAConsumer_MessageBConsumer)}{nameof(MessageBConsumer)}";

            string queueA = $"{nameof(DemoScoped_MessageAConsumer_MessageBConsumer)}{nameof(MessageAConsumer)}";
            string queueB = $"{nameof(DemoScoped_MessageAConsumer_MessageBConsumer)}{nameof(MessageBConsumer)}";

            int priorityA = 1;
            int priorityB = 1;

            ushort prefetchCountA = 0;
            ushort prefetchCountB = 0;

            using (var messageAConsumerBus =
                       new MassTransitConsumer <IMessageA, MessageAConsumer>(idA, queueA, priorityA, prefetchCountA))
                using (var messageBConsumerBus =
                           new MassTransitConsumer <IMessageB, MessageBConsumer>(idB, queueB, priorityB, prefetchCountB))
                {
                    using (var publisherBus = new MassTransitPublisher($"{nameof(DemoScoped_MessageAConsumer_MessageBConsumer)} Publisher"))
                    {
                        Console.WriteLine("Press any clear and continue");
                        Console.WriteLine("================================================");
                        Console.ReadKey();
                        Console.Clear();
                        Console.WriteLine("================================================");
                        Console.WriteLine("This demo has 2 consumers and 1 publisher");
                        Console.WriteLine("Each runs its own bus, in its own DI scope");
                        Console.WriteLine($"Publisher publishes {nameof(IMessageA)} and {nameof(IMessageB)} message");
                        Console.WriteLine($"One consumer takes {nameof(IMessageA)} message");
                        Console.WriteLine($"Second consumer takes {nameof(IMessageB)} message");
                        Console.WriteLine("================================================");
                        Console.WriteLine("Press any key start");
                        Console.ReadKey();

                        messageAConsumerBus.ScopedBusControl.StartAsync(new CancellationToken());
                        messageAConsumerBus.Logger.LogInformation($"[{messageAConsumerBus.Id}] Bus started in scope");

                        messageBConsumerBus.ScopedBusControl.StartAsync(new CancellationToken());
                        messageBConsumerBus.Logger.LogInformation($"[{messageBConsumerBus.Id}] Bus started in scope");

                        publisherBus.ScopedBusControl.Start();
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Bus started in scope");

                        var messageA = new MessageA(1);
                        publisherBus.ScopedBusControl.Publish <IMessageA>(messageA);
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Published MessageA {messageA}");

                        Thread.Sleep(250);
                        var messageB = new MessageB(1);
                        publisherBus.ScopedBusControl.Publish <IMessageB>(messageB);
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Published MessageB {messageB}");

                        Console.ReadKey();
                    }
                }
        }
Example #3
0
        private static void DemoScoped_HigherPriorityMessageAaConsumer1_LowerPriorityMessageAaConsumer2()
        {
            string idAa1 = $"{nameof(DemoScoped_HigherPriorityMessageAaConsumer1_LowerPriorityMessageAaConsumer2)}{nameof(MessageAaConsumer1)} 1";
            string idAa2 = $"{nameof(DemoScoped_HigherPriorityMessageAaConsumer1_LowerPriorityMessageAaConsumer2)}{nameof(MessageAaConsumer2)} 2";

            string queueAa = $"{nameof(DemoScoped_HigherPriorityMessageAaConsumer1_LowerPriorityMessageAaConsumer2)}{nameof(IMessageAa)}";

            int priorityAa1 = 2;
            int priorityAa2 = 1;

            ushort prefetchCountAa1 = 0;
            ushort prefetchCountAa2 = 0;

            using (var messageAConsumerBus1 =
                       new MassTransitConsumer <IMessageAa, MessageAaConsumer1>(idAa1, queueAa, priorityAa1, prefetchCountAa1))
                using (var messageAConsumerBus2 =
                           new MassTransitConsumer <IMessageAa, MessageAaConsumer2>(idAa2, queueAa, priorityAa2, prefetchCountAa2))
                {
                    using (var publisherBus = new MassTransitPublisher($"{nameof(DemoScoped_MessageAaConsumer1_MessageAaConsumer2)}Publisher"))
                    {
                        Console.WriteLine("Press any clear and continue");
                        Console.WriteLine("================================================");
                        Console.ReadKey();
                        Console.Clear();
                        Console.WriteLine("================================================");
                        Console.WriteLine("This demo has 2 consumers and 1 publisher");
                        Console.WriteLine("Each runs its own bus, in its own DI scope");
                        Console.WriteLine($"Publisher publishes 2 {nameof(IMessageAa)} messages");
                        Console.WriteLine($"Both consumer takes {nameof(IMessageAa)} message but one has higher priority than other");
                        Console.WriteLine("================================================");
                        Console.WriteLine("Press any key start");
                        Console.ReadKey();

                        messageAConsumerBus1.ScopedBusControl.StartAsync(new CancellationToken());
                        messageAConsumerBus1.Logger.LogInformation($"[{messageAConsumerBus1.Id}] Bus started in scope");

                        messageAConsumerBus2.ScopedBusControl.StartAsync(new CancellationToken());
                        messageAConsumerBus2.Logger.LogInformation($"[{messageAConsumerBus2.Id}] Bus started in scope");

                        publisherBus.ScopedBusControl.Start();
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Bus started in scope");

                        var messageAa1 = new MessageAa(1);
                        publisherBus.ScopedBusControl.Publish <IMessageAa>(messageAa1);
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Published MessageAa 1 {messageAa1}");

                        Thread.Sleep(250);
                        var messageAa2 = new MessageAa(1);
                        publisherBus.ScopedBusControl.Publish <IMessageAa>(messageAa2);
                        publisherBus.Logger.LogInformation($"[{publisherBus.Id}] Published MessageAa 2 {messageAa2}");

                        Console.ReadKey();
                    }
                }
        }