internal static Bus Build(BusBuilderConfiguration configuration)
{
var replyQueueName = string.Format("InputQueue.{0}.{1}", configuration.ApplicationName, configuration.InstanceName);
var namespaceManager = NamespaceManager.CreateFromConnectionString(configuration.ConnectionString);
var messagingFactory = MessagingFactory.CreateFromConnectionString(configuration.ConnectionString);
var messagePumps = new List<IMessagePump>();
var queueManager = new QueueManager(namespaceManager, messagingFactory, configuration.MaxDeliveryAttempts);
var clock = new SystemClock();
var requestResponseCorrelator = new RequestResponseCorrelator(clock);
var messageSenderFactory = new MessageSenderFactory(messagingFactory);
var topicClientFactory = new TopicClientFactory(messagingFactory);
var commandSender = new BusCommandSender(messageSenderFactory);
var requestSender = new BusRequestSender(messageSenderFactory, replyQueueName, requestResponseCorrelator, clock, configuration.DefaultTimeout);
var multicastRequestSender = new BusMulticastRequestSender(topicClientFactory, replyQueueName, requestResponseCorrelator, clock);
var eventSender = new BusEventSender(topicClientFactory);
if (configuration.Debugging.RemoveAllExistingNamespaceElements)
{
RemoveAllExistingNamespaceElements(namespaceManager);
}
var queueCreationTasks = new[]
{
Task.Run(() => CreateMyInputQueue(queueManager, replyQueueName)),
Task.Run(() => CreateCommandQueues(configuration, queueManager)),
Task.Run(() => CreateRequestQueues(configuration, queueManager)),
Task.Run(() => CreateMulticastRequestTopics(configuration, queueManager)),
Task.Run(() => CreateEventTopics(configuration, queueManager)),
};
Task.WaitAll(queueCreationTasks);
//FIXME do these in parallel
CreateResponseMessagePump(configuration, messagingFactory, replyQueueName, requestResponseCorrelator, messagePumps);
CreateCommandMessagePumps(configuration, messagingFactory, messagePumps);
CreateRequestMessagePumps(configuration, messagingFactory, messagePumps);
CreateMulticastRequestMessagePumps(configuration, queueManager, messagingFactory, messagePumps);
CreateMulticastEventMessagePumps(configuration, queueManager, messagingFactory, messagePumps);
CreateCompetingEventMessagePumps(configuration, queueManager, messagingFactory, messagePumps);
var commandDeadLetterQueue = new DeadLetterQueue(queueManager);
var requestDeadLetterQueue = new DeadLetterQueue(queueManager);
var deadLetterQueues = new DeadLetterQueues(commandDeadLetterQueue, requestDeadLetterQueue);
var bus = new Bus(commandSender, requestSender, multicastRequestSender, eventSender, messagePumps, deadLetterQueues);
return bus;
}
internal static Bus Build(BusBuilderConfiguration configuration)
{
var logger = configuration.Logger;
logger.Debug("Constructing bus...");
var replyQueueName = string.Format("InputQueue.{0}.{1}", configuration.ApplicationName, configuration.InstanceName);
var namespaceManager = NamespaceManager.CreateFromConnectionString(configuration.ConnectionString);
var versionInfo = namespaceManager.GetVersionInfo();
var messagingFactory = MessagingFactory.CreateFromConnectionString(configuration.ConnectionString);
var messagePumps = new List<IMessagePump>();
var queueManager = new QueueManager(namespaceManager, messagingFactory, configuration.MaxDeliveryAttempts, logger);
var clock = new SystemClock();
var requestResponseCorrelator = new RequestResponseCorrelator(clock, logger);
var messageSenderFactory = new MessageSenderFactory(messagingFactory);
var topicClientFactory = new TopicClientFactory(messagingFactory);
var commandSender = new BusCommandSender(messageSenderFactory, clock, configuration.CommandTypes);
var requestSender = new BusRequestSender(messageSenderFactory, replyQueueName, requestResponseCorrelator, clock, configuration.DefaultTimeout, configuration.RequestTypes, logger);
var multicastRequestSender = new BusMulticastRequestSender(topicClientFactory, replyQueueName, requestResponseCorrelator, clock, configuration.RequestTypes);
var eventSender = new BusEventSender(topicClientFactory, configuration.EventTypes);
if (configuration.Debugging.RemoveAllExistingNamespaceElements)
{
RemoveAllExistingNamespaceElements(namespaceManager, logger);
}
logger.Debug("Creating queues and topics");
var queueCreationTasks =
new[]
{
Task.Run(() => CreateMyInputQueue(queueManager, replyQueueName, logger)),
Task.Run(() => CreateCommandQueues(configuration, queueManager, logger)),
Task.Run(() => CreateRequestQueues(configuration, queueManager, logger)),
Task.Run(() => CreateMulticastRequestTopics(configuration, queueManager, logger)),
Task.Run(() => CreateEventTopics(configuration, queueManager, logger))
};
Task.WaitAll(queueCreationTasks);
logger.Debug("Queues and topics are all created.");
logger.Debug("Creating message pumps and subscriptions.");
var messagePumpCreationTasks =
new[]
{
Task.Run(() => CreateResponseMessagePump(configuration, messagingFactory, replyQueueName, requestResponseCorrelator, messagePumps, logger)),
Task.Run(() => CreateCommandMessagePumps(configuration, messagingFactory, messagePumps, logger)),
Task.Run(() => CreateRequestMessagePumps(configuration, messagingFactory, messagePumps, logger)),
Task.Run(() => CreateMulticastRequestMessagePumps(configuration, queueManager, messagingFactory, messagePumps, logger)),
Task.Run(() => CreateMulticastEventMessagePumps(configuration, queueManager, messagingFactory, messagePumps, logger)),
Task.Run(() => CreateCompetingEventMessagePumps(configuration, queueManager, messagingFactory, messagePumps, logger))
};
messagePumpCreationTasks.WaitAll();
logger.Debug("Message pumps and subscriptions are all created.");
var commandDeadLetterQueue = new DeadLetterQueue(queueManager);
var requestDeadLetterQueue = new DeadLetterQueue(queueManager);
var deadLetterQueues = new DeadLetterQueues(commandDeadLetterQueue, requestDeadLetterQueue);
var bus = new Bus(commandSender, requestSender, multicastRequestSender, eventSender, messagePumps, deadLetterQueues);
logger.Debug("Bus built. Job done!");
return bus;
}