public RoutingInfoPublisher(RoutingInfoCommunicator dataBackplane, IReadOnlyCollection <Type> hanledMessageTypes, IReadOnlyCollection <Type> publishedMessageTypes, ReadOnlySettings settings, TimeSpan heartbeatPeriod)
{
this.dataBackplane = dataBackplane;
this.hanledMessageTypes = hanledMessageTypes;
this.publishedMessageTypes = publishedMessageTypes;
this.settings = settings;
this.heartbeatPeriod = heartbeatPeriod;
}
protected override void Setup(FeatureConfigurationContext context)
{
var settings = context.Settings;
var conventions = settings.Get <Conventions>();
var uniqueKey = settings.InstanceSpecificQueue() ?? settings.LocalAddress();
var unicastRoutingTable = settings.Get <UnicastRoutingTable>();
var endpointInstances = settings.Get <EndpointInstances>();
var publishers = settings.Get <Publishers>();
var connectionString = settings.Get <string>("NServiceBus.AutomaticRouting.ConnectionString");
var messageTypesPublished = settings.Get <Type[]>("NServiceBus.AutomaticRouting.PublishedTypes");
#region Feature
// Create the infrastructure
var dataAccess = new SqlDataAccess(uniqueKey, connectionString);
var communicator = new RoutingInfoCommunicator(dataAccess);
context.RegisterStartupTask(communicator);
// Register the routing info publisher
context.RegisterStartupTask(builder =>
{
var handlerRegistry = builder.Build <MessageHandlerRegistry>();
var messageTypesHandled = GetHandledMessages(handlerRegistry, conventions);
return(new RoutingInfoPublisher(
dataBackplane: communicator,
hanledMessageTypes: messageTypesHandled,
publishedMessageTypes: messageTypesPublished,
settings: settings,
heartbeatPeriod: TimeSpan.FromSeconds(5)));
});
// Register the routing info subscriber
context.RegisterStartupTask(builder =>
{
var handlerRegistry = builder.Build <MessageHandlerRegistry>();
var messageTypesHandled = GetHandledMessages(handlerRegistry, conventions);
var subscriber = new RoutingInfoSubscriber(
routingTable: unicastRoutingTable,
endpointInstances: endpointInstances,
messageTypesHandledByThisEndpoint: messageTypesHandled,
publishers: publishers,
sweepPeriod: TimeSpan.FromSeconds(5),
heartbeatTimeout: TimeSpan.FromSeconds(20));
communicator.Changed = subscriber.OnChanged;
communicator.Removed = subscriber.OnRemoved;
return(subscriber);
});
context.Pipeline.Register(
stepId: "VerifyAdvertisedBehavior",
behavior: new VerifyAdvertisedBehavior(messageTypesPublished),
description: "Verifies if all published types has been advertised.");
#endregion
}
