/// <summary>
/// Adds the <see cref="IIntegrationSpy" /> and its support services to the
/// <see cref="Microsoft.Extensions.DependencyInjection.IServiceCollection" />.
/// </summary>
/// <param name="silverbackBuilder">
/// The <see cref="ISilverbackBuilder" /> that references the <see cref="IServiceCollection" /> to add
/// the services to.
/// </param>
/// <param name="attachSubscriber">
/// Specifies whether a generic subscriber (<see cref="InboundSpySubscriber" /> must be used to monitor the
/// inbound messages instead of a behavior (<see cref="InboundSpyBrokerBehavior" />).
/// </param>
/// <returns>
/// The <see cref="ISilverbackBuilder" /> so that additional calls can be chained.
/// </returns>
public static ISilverbackBuilder AddIntegrationSpy(
this ISilverbackBuilder silverbackBuilder,
bool attachSubscriber = false)
{
Check.NotNull(silverbackBuilder, nameof(silverbackBuilder));
silverbackBuilder
.AddSingletonBrokerBehavior <OutboundSpyBrokerBehavior>()
.AddSingletonBrokerBehavior <RawOutboundSpyBrokerBehavior>()
.AddSingletonBrokerBehavior <RawInboundSpyBrokerBehavior>();
if (attachSubscriber)
{
silverbackBuilder.AddSingletonSubscriber <InboundSpySubscriber>();
}
else
{
silverbackBuilder.AddSingletonBrokerBehavior <InboundSpyBrokerBehavior>();
}
silverbackBuilder.Services
.AddSingleton <IIntegrationSpy>(
serviceProvider => serviceProvider.GetRequiredService <IntegrationSpy>())
.AddSingleton <IntegrationSpy>();
return(silverbackBuilder);
}
/// <summary>
/// Allows the subscribers to receive an <see cref="IObservable{T}"/> as parameter.
/// It also registers the <see cref="IMessageObservable{TMessage}"/> that can be used to
/// process the entire messages stream using Rx.NET.
/// </summary>
/// <param name="builder"></param>
/// <returns></returns>
public static ISilverbackBuilder AsObservable(this ISilverbackBuilder builder)
{
builder.Services
.AddSingleton <IArgumentResolver, ObservableMessageArgumentResolver>()
.AddScoped <IReturnValueHandler, ObservableMessagesReturnValueHandler>()
.AddSingleton <MessageObservable, MessageObservable>()
.AddSingleton(typeof(IMessageObservable <>), typeof(MessageObservable <>));
builder
.AddSingletonSubscriber <MessageObservable>();
return(builder);
}