/// <summary>
/// Configures event callbacks
/// </summary>
public static RebusConfigurer Events(this RebusConfigurer configurer, Action <EventConfigurer> configureEvents)
{
if (configurer == null)
{
throw new ArgumentNullException(nameof(configurer));
}
if (configureEvents == null)
{
throw new ArgumentNullException(nameof(configureEvents));
}
configurer.Options(o =>
{
if (!o.Has <EventHooks>())
{
o.Register(c => new EventHooks());
o.Decorate <IPipeline>(c =>
{
var pipeline = c.Get <IPipeline>();
var eventHooks = c.Get <EventHooks>();
var step = new MessageSentStep(eventHooks.BeforeMessageSent, eventHooks.AfterMessageSent, c.Get <IBus>);
return(new PipelineStepConcatenator(pipeline)
.OnSend(step, PipelineAbsolutePosition.Front));
});
o.Decorate <IPipeline>(c =>
{
var pipeline = c.Get <IPipeline>();
var eventHooks = c.Get <EventHooks>();
var receiveStep = new MessageReceivedStep(eventHooks.BeforeMessageHandled, eventHooks.AfterMessageHandled, c.Get <IBus>);
return(new PipelineStepInjector(pipeline)
.OnReceive(receiveStep, PipelineRelativePosition.Before, typeof(DispatchIncomingMessageStep)));
});
}
o.Decorate(c =>
{
var eventConfigurerInstance = new EventConfigurer();
configureEvents(eventConfigurerInstance);
var eventHooks = c.Get <EventHooks>();
eventConfigurerInstance.CopyTo(eventHooks);
return(eventHooks);
});
});
return(configurer);
}
/// <summary>
/// Starts the bus with 0 workers, thus creating a fully functional bus, only without starting message processing.
/// The returned <see cref="IBusStarter"/> can then be used to start the bus by calling <see cref="IBusStarter.Start"/>
/// on it.
/// </summary>
public static IBusStarter Create(this RebusConfigurer configurer)
{
var desiredNumberOfWorkersWhenStarted = 0;
var bus = configurer
.Options(o =>
{
// modify Options by setting number of workers to 0
o.Decorate(c =>
{
var options = c.Get <Options>();
desiredNumberOfWorkersWhenStarted = options.NumberOfWorkers;
// delay bus start by doing this
options.NumberOfWorkers = 0;
return(options);
});
})
.Start();
return(new BusStarter(bus, desiredNumberOfWorkersWhenStarted));
}