|
static private Build ( |
||
| configuration | ||
| return | Bus | |
internal static Bus Build(BusBuilderConfiguration configuration)
{
var logger = configuration.Logger;
logger.Debug("Constructing bus...");
configuration.AssertConfigurationIsValid();
var container = new PoorMansIoC();
container.RegisterPropertiesFromConfigurationObject(configuration);
logger.Debug("Creating message pumps...");
var messagePumpsManager = new MessagePumpsManager(
container.Resolve<ResponseMessagePumpFactory>().Create(),
container.Resolve<RequestMessagePumpsFactory>().CreateAll(),
container.Resolve<CommandMessagePumpsFactory>().CreateAll(),
container.Resolve<MulticastRequestMessagePumpsFactory>().CreateAll(),
container.Resolve<MulticastEventMessagePumpsFactory>().CreateAll(),
container.Resolve<CompetingEventMessagePumpsFactory>().CreateAll());
logger.Debug("Message pumps are all created.");
var bus = container.ResolveWithOverrides<Bus>(messagePumpsManager);
container.Resolve<PropertyInjector>().Bus = bus;
bus.Starting += (s, e) =>
{
Task.Run(async () =>
{
try
{
await container.Resolve<INimbusTransport>().TestConnection();
await CleanNamespace(container, logger);
}
catch (Exception ex)
{
logger.Error(ex, "Failed to establish connection to underlying transport: {Message}", ex.Message);
throw;
}
}).Wait();
};
bus.Disposing += (s, e) =>
{
Task.Run(async () =>
{
await CleanNamespace(container, logger);
container.Dispose();
}).Wait();
};
logger.Info("Bus built. Job done!");
return bus;
}
private void ClearMeABus()
{
// Filter types we care about to only our own test's namespace. It's a performance optimisation because creating and
// deleting queues and topics is slow.
var typeProvider = new TestHarnessTypeProvider(new[] {GetType().Assembly}, new[] {"Some.Namespace.That.Does.Not.Exist"});
var messageBroker = new DefaultMessageHandlerFactory(typeProvider);
var logger = new ConsoleLogger();
var busBuilder = new BusBuilder().Configure()
.WithNames("IntegrationTestHarness", Environment.MachineName)
.WithConnectionString(CommonResources.ConnectionString)
.WithTypesFrom(typeProvider)
.WithCommandHandlerFactory(messageBroker)
.WithRequestHandlerFactory(messageBroker)
.WithMulticastEventHandlerFactory(messageBroker)
.WithCompetingEventHandlerFactory(messageBroker)
.WithMulticastRequestHandlerFactory(messageBroker)
.WithDefaultTimeout(TimeSpan.FromSeconds(10))
.WithLogger(logger)
.WithDebugOptions(
dc =>
dc.RemoveAllExistingNamespaceElementsOnStartup(
"I understand this will delete EVERYTHING in my namespace. I promise to only use this for test suites."))
;
using (var bus = busBuilder.Build())
{
bus.Start();
}
}