/// <summary>
/// Enable the Dafda outbox producer implementation, configurable using the <paramref name="options"/>
/// </summary>
/// <param name="services">The service collection</param>
/// <param name="options">Configure the <see cref="OutboxProducerOptions"/></param>
public static void AddOutboxProducer(this IServiceCollection services, Action <OutboxProducerOptions> options)
{
var builder = new ProducerConfigurationBuilder();
var outboxProducerOptions = new OutboxProducerOptions(builder, services);
options?.Invoke(outboxProducerOptions);
var configuration = builder.Build();
var outboxListener = outboxProducerOptions.OutboxListener;
if (outboxListener == null)
{
throw new InvalidConfigurationException($"No {nameof(IOutboxListener)} was registered. Please use the {nameof(OutboxProducerOptions.WithListener)} in the {nameof(AddOutboxProducer)} configuration.");
}
services.AddTransient <IHostedService, OutboxDispatcherHostedService>(provider =>
{
var outboxUnitOfWorkFactory = provider.GetRequiredService <IOutboxUnitOfWorkFactory>();
var loggerFactory = provider.GetRequiredService <ILoggerFactory>();
var kafkaProducer = configuration.KafkaProducerFactory(loggerFactory);
var producer = new OutboxProducer(kafkaProducer);
var outboxDispatcher = new OutboxDispatcher(loggerFactory, outboxUnitOfWorkFactory, producer);
return(new OutboxDispatcherHostedService(outboxListener, outboxDispatcher));
});
}
internal ProducerConfiguration Build()
{
var realBuilder = new Dafda.Configuration.ProducerConfigurationBuilder();
realBuilder.WithBootstrapServers("dummy");
if (_kafkaProducerFactory != null)
{
realBuilder.WithKafkaProducerFactory(_kafkaProducerFactory);
}
return(realBuilder.Build());
}
private static IProducerConfiguration ConfigureProducerConfiguration(IServiceCollection services, Action <IProducerOptions> options)
{
var outgoingMessageRegistry = new OutgoingMessageRegistry();
var configurationBuilder = new ProducerConfigurationBuilder();
configurationBuilder.WithOutgoingMessageRegistry(outgoingMessageRegistry);
var consumerOptions = new ProducerOptions(configurationBuilder, services, outgoingMessageRegistry);
options?.Invoke(consumerOptions);
var producerConfiguration = configurationBuilder.Build();
return(producerConfiguration);
}
private static ProducerFactory CreateProducerFactory <TImplementation>(IServiceCollection services, Action <ProducerOptions> options)
{
var outgoingMessageRegistry = new OutgoingMessageRegistry();
var configurationBuilder = new ProducerConfigurationBuilder();
var consumerOptions = new ProducerOptions(configurationBuilder, outgoingMessageRegistry);
options?.Invoke(consumerOptions);
var producerConfiguration = configurationBuilder.Build();
var factory = AddOrGetRegisteredProducerFactory(services);
factory.ConfigureProducerFor <TImplementation>(producerConfiguration, outgoingMessageRegistry);
return(factory);
}
public static void AddProducerFor <TClient>(this IServiceCollection services, Action <ProducerOptions> options) where TClient : class
{
var outgoingMessageRegistry = new OutgoingMessageRegistry();
var configurationBuilder = new ProducerConfigurationBuilder();
var consumerOptions = new ProducerOptions(configurationBuilder, outgoingMessageRegistry);
options?.Invoke(consumerOptions);
var producerConfiguration = configurationBuilder.Build();
var factory = AddOrGetRegisteredProducerFactory(services);
factory.ConfigureProducerFor <TClient>(producerConfiguration, outgoingMessageRegistry);
services.AddTransient <TClient>(provider =>
{
var producer = factory.GetFor <TClient>();
return(ActivatorUtilities.CreateInstance <TClient>(provider, producer));
});
}
public static void AddOutboxProducer(this IServiceCollection services, Action <OutboxProducerOptions> options)
{
var builder = new ProducerConfigurationBuilder();
var outboxProducerOptions = new OutboxProducerOptions(builder, services);
options?.Invoke(outboxProducerOptions);
var configuration = builder.Build();
services.AddTransient <IHostedService, OutboxDispatcherHostedService>(provider =>
{
var outboxUnitOfWorkFactory = provider.GetRequiredService <IOutboxUnitOfWorkFactory>();
var kafkaProducer = configuration.KafkaProducerFactory();
var producer = new OutboxProducer(kafkaProducer);
var outboxNotification = provider.GetRequiredService <IOutboxNotification>();
return(new OutboxDispatcherHostedService(
outboxUnitOfWorkFactory,
producer,
outboxNotification
));
});
}
internal ProducerOptions(ProducerConfigurationBuilder builder, OutgoingMessageRegistry outgoingMessageRegistry)
{
_builder = builder;
_outgoingMessageRegistry = outgoingMessageRegistry;
}
internal OutboxProducerOptions(ProducerConfigurationBuilder builder, IServiceCollection services)
{
_services = services;
_builder = builder;
}
public ProducerOptions(ProducerConfigurationBuilder builder, IServiceCollection services, IOutgoingMessageRegistry outgoingMessageRegistry)
{
_builder = builder;
_services = services;
_outgoingMessageRegistry = outgoingMessageRegistry;
}