public static EventFlowOptions AddCommandHandlers(
this EventFlowOptions eventFlowOptions,
params Type[] commandHandlerTypes)
{
return eventFlowOptions
.AddCommandHandlers((IEnumerable<Type>) commandHandlerTypes);
}
public static EventFlowOptions AddCommandHandlers(
this EventFlowOptions eventFlowOptions,
Assembly fromAssembly)
{
var commandHandlerTypes = fromAssembly
.GetTypes()
.Where(t => t.GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof (ICommandHandler<,,>)));
return eventFlowOptions
.AddCommandHandlers(commandHandlerTypes);
}
public static EventFlowOptions AddDefaults(
this EventFlowOptions eventFlowOptions,
Assembly fromAssembly)
{
return eventFlowOptions
.AddCommandHandlers(fromAssembly)
.AddMetadataProviders(fromAssembly)
.AddSubscribers(fromAssembly)
.AddEventUpgraders(fromAssembly);
}
public static IEventFlowOptions AddCommandHandlers(
this IEventFlowOptions eventFlowOptions,
Assembly fromAssembly,
Predicate<Type> predicate = null)
{
predicate = predicate ?? (t => true);
var commandHandlerTypes = fromAssembly
.GetTypes()
.Where(t => t.GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof (ICommandHandler<,,,>)))
.Where(t => predicate(t));
return eventFlowOptions.AddCommandHandlers(commandHandlerTypes);
}
public static void AddMessageBusHandlers(this IServiceCollection services, Assembly commandHandlerAssembly, Assembly eventListenerAssembly)
{
if (commandHandlerAssembly == null)
{
throw new ArgumentException("The command handler assembly cannot be null.");
}
if (eventListenerAssembly == null)
{
throw new ArgumentException("The event listener assembly cannot be null.");
}
var commandHandlers = services.AddCommandHandlers(commandHandlerAssembly);
var responesCommandHandlers = services.AddResponseCommandHandlers(commandHandlerAssembly);
var eventListeners = services.AddEventListeners(eventListenerAssembly);
services.AddSingleton(s => new BusAutoRegistrar(s, s.GetRequiredService<IHandlerRegistrar>(),
s.GetRequiredService<IHandlerRequestResponseRegistrar>(), commandHandlers, responesCommandHandlers, eventListeners));
}
