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Dan Clark
2024-11-25 09:44:12 +00:00
parent 93e2be4eb0
commit d1ee8add0c
9 changed files with 197 additions and 36 deletions
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Toolkit.Foundation/HandlerKeyedInitialization.cs
+39 -7
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@@ -5,7 +5,7 @@ namespace Toolkit.Foundation;
public class HandlerKeyedInitialization<TMessage, THandler>(string key, IServiceProvider provider) :
IInitialization where THandler : class, IHandler<TMessage>
where TMessage : class
where TMessage : class
{
public void Initialize()
{
@@ -14,18 +14,34 @@ public class HandlerKeyedInitialization<TMessage, THandler>(string key, IService
StrongReferenceMessenger.Default.Register<IServiceProvider, TMessage, string>(provider, key,
(provider, args) =>
{
foreach (IHandler<TMessage> handler in provider.GetKeyedServices<IHandler<TMessage>>(key))
IEnumerable<IHandler<TMessage>> handlers = provider.GetKeyedServices<IHandler<TMessage>>(key);
IEnumerable<IPipelineBehavior<TMessage, Unit>> behaviors = provider.GetServices<IPipelineBehavior<TMessage, Unit>>();
HandlerDelegate<Unit> handlerDelegate = () =>
{
handler.Handle(args);
foreach (IHandler<TMessage> handler in handlers)
{
handler.Handle(args);
}
return Unit.Value;
};
foreach (IPipelineBehavior<TMessage, Unit> behavior in behaviors.Reverse())
{
HandlerDelegate<Unit> next = handlerDelegate;
handlerDelegate = () => behavior.Handle(args, next);
}
handlerDelegate();
});
}
}
}
public class HandlerKeyedInitialization<TMessage, TResponse, THandler>(string key, IServiceProvider provider) :
IInitialization where THandler : class, IHandler<TMessage, TResponse>
where TMessage : class
where TMessage : class
{
public void Initialize()
{
@@ -34,11 +50,27 @@ public class HandlerKeyedInitialization<TMessage, TResponse, THandler>(string ke
StrongReferenceMessenger.Default.Register<IServiceProvider, ResponseEventArgs<TMessage, TResponse>, string>(provider, key,
(provider, args) =>
{
foreach (IHandler<TMessage, TResponse> handler in provider.GetKeyedServices<IHandler<TMessage, TResponse>>(key))
IEnumerable<IHandler<TMessage, TResponse>> handlers = provider.GetKeyedServices<IHandler<TMessage, TResponse>>(key);
IEnumerable<IPipelineBehavior<TMessage, TResponse>> behaviors = provider.GetServices<IPipelineBehavior<TMessage, TResponse>>();
HandlerDelegate<TResponse> handlerDelegate = () =>
{
handler.Handle(args.Message);
TResponse response = default!;
foreach (IHandler<TMessage, TResponse> handler in handlers)
{
response = handler.Handle(args.Message);
}
return response;
};
foreach (IPipelineBehavior<TMessage, TResponse> behavior in behaviors.Reverse())
{
HandlerDelegate<TResponse> next = handlerDelegate;
handlerDelegate = () => behavior.Handle(args.Message, next);
}
handlerDelegate();
});
}
}
}
}