public IToposProducer Create()
{
ToposConfigurerHelpers.RegisterCommonServices(_injectionist);
_injectionist.Register <IToposProducer>(c =>
{
var messageSerializer = c.Get <IMessageSerializer>();
var producerImplementation = c.Get <IProducerImplementation>(errorMessage: "Failing to get the producer implementation can be caused by a missing registration of IProducerImplementation");
var loggerFactory = c.Get <ILoggerFactory>();
var defaultToposProducer = new DefaultToposProducer(
messageSerializer,
producerImplementation,
loggerFactory
);
defaultToposProducer.Disposing += () =>
{
foreach (var instance in c.TrackedInstances.OfType <IDisposable>().Reverse())
{
instance.Dispose();
}
};
return(defaultToposProducer);
});
var resolutionResult = _injectionist.Get <IToposProducer>();
foreach (var initializable in resolutionResult.TrackedInstances.OfType <IInitializable>())
{
initializable.Initialize();
}
return(resolutionResult.Instance);
}
public IToposConsumer Create()
{
ToposConfigurerHelpers.RegisterCommonServices(_injectionist);
_injectionist.PossiblyRegisterDefault(c => new ConsumerContext());
_injectionist.Decorate(c =>
{
var context = c.Get <ConsumerContext>();
var customizers = _options.Get(ConsumerContext.ConsumerContextInitializersKey, new List <Action <ConsumerContext> >());
foreach (var customizer in customizers)
{
customizer(context);
}
return(context);
});
_injectionist.PossiblyRegisterDefault <IConsumerDispatcher>(c =>
{
var loggerFactory = c.Get <ILoggerFactory>();
var messageSerializer = c.Get <IMessageSerializer>();
var handlers = c.Get <Handlers>(errorMessage: @"Failing to get the handlers is a sign that the consumer has not had any handlers configured.
Please remember to configure at least one handler by invoking the .Handle(..) configurer like this:
Configure.Consumer(...)
.(...)
.Handle(async (messages, context, cancellationToken) =>
{
// handle messages
})
.Start()
");
var positionManager = c.Get <IPositionManager>(errorMessage: @"The consumer dispatcher needs access to a positions manager, so it can store a 'low water mark' position for each topic/partition.
It can be configured by invoking the .Positions(..) configurer like this:
Configure.Consumer(...)
.(...)
.Positions(p => p.StoreIn(...))
.Start()
");
var consumerContext = c.Get <ConsumerContext>();
return(new DefaultConsumerDispatcher(loggerFactory, messageSerializer, handlers, positionManager, consumerContext));
});
_injectionist.Register <IToposConsumer>(c =>
{
var toposConsumerImplementation = c.Get <IConsumerImplementation>();
var defaultToposConsumer = new DefaultToposConsumer(toposConsumerImplementation);
defaultToposConsumer.Disposing += () =>
{
foreach (var instance in c.TrackedInstances.OfType <IDisposable>().Reverse())
{
instance.Dispose();
}
};
return(defaultToposConsumer);
});
var resolutionResult = _injectionist.Get <IToposConsumer>();
foreach (var initializable in resolutionResult.TrackedInstances.OfType <IInitializable>())
{
initializable.Initialize();
}
return(resolutionResult.Instance);
}
