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Dan Clark
2024-11-25 14:27:17 +00:00
parent f7a96b3784
commit bb9e796600
10 changed files with 96 additions and 122 deletions
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Toolkit.Foundation/HandlerInitialization.cs
+21 -27
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@@ -17,28 +17,20 @@ public class HandlerInitialization<TMessage, TResponse, THandler>(IServiceProvid
IEnumerable<IHandler<TMessage, TResponse>> handlers = provider.GetServices<IHandler<TMessage, TResponse>>();
IEnumerable<IPipelineBehavior<TMessage, TResponse>> behaviors = provider.GetServices<IPipelineBehavior<TMessage, TResponse>>();
HandlerDelegate<TResponse> handlerDelegate = () =>
foreach (IHandler<TMessage, TResponse> handler in handlers)
{
TResponse response = default!;
foreach (IHandler<TMessage, TResponse> handler in handlers)
{
response = handler.Handle(args.Message);
}
return response;
};
TResponse ExecutePipeline(int index) => index < 0
? handler.Handle(args.Message)
: behaviors.ElementAt(index).Handle(args.Message, () => ExecutePipeline(index - 1));
foreach (IPipelineBehavior<TMessage, TResponse> behavior in behaviors.Reverse())
{
HandlerDelegate<TResponse> next = handlerDelegate;
handlerDelegate = () => behavior.Handle(args.Message, next);
ExecutePipeline(behaviors.Count() - 1);
}
handlerDelegate();
});
}
}
}
public class HandlerInitialization<TMessage, THandler>(IServiceProvider provider) :
IInitialization where THandler : class, IHandler<TMessage>
where TMessage : class
@@ -51,26 +43,28 @@ public class HandlerInitialization<TMessage, THandler>(IServiceProvider provider
(provider, args) =>
{
IEnumerable<IHandler<TMessage>> handlers = provider.GetServices<IHandler<TMessage>>();
IEnumerable<IPipelineBehavior<TMessage, Unit>> behaviors = provider.GetServices<IPipelineBehavior<TMessage, Unit>>();
IEnumerable<IPipelineBehavior<TMessage>> behaviors = provider.GetServices<IPipelineBehavior<TMessage>>();
HandlerDelegate<Unit> handlerDelegate = () =>
foreach (IHandler<TMessage> handler in handlers)
{
foreach (IHandler<TMessage> handler in handlers)
void ExecutePipeline(int index)
{
handler.Handle(args);
if (index < 0)
{
handler.Handle(args);
return;
}
behaviors.ElementAt(index).Handle(args, () =>
{
ExecutePipeline(index - 1);
return Unit.Value;
});
}
return Unit.Value;
};
foreach (IPipelineBehavior<TMessage, Unit> behavior in behaviors.Reverse())
{
HandlerDelegate<Unit> next = handlerDelegate;
handlerDelegate = () => behavior.Handle(args, next);
ExecutePipeline(behaviors.Count() - 1);
}
handlerDelegate();
});
}
}
}