Files
SharpIDE/src/SharpIDE.Application/Features/Events/EventWrapperBase.cs
2025-10-07 19:30:08 +10:00

45 lines
1.2 KiB
C#

namespace SharpIDE.Application.Features.Events;
public abstract class EventWrapperBase<TDelegate>(TDelegate @event) where TDelegate : Delegate
{
protected TDelegate Event = @event;
public void Subscribe(TDelegate handler) => Event = (TDelegate)Delegate.Combine(Event, handler);
public void Unsubscribe(TDelegate handler) => Event = (TDelegate)Delegate.Remove(Event, handler)!;
protected static async void FireAndForget(Func<Task> action)
{
try
{
await action().ConfigureAwait(false);
}
catch (Exception ex)
{
Console.WriteLine($"An exception occurred in an event handler: {ex}");
}
}
protected static async Task InvokeDelegatesAsync(IEnumerable<Delegate> invocationList, Func<Delegate, Task> delegateExecutorDelegate)
{
var tasks = invocationList.Select(async del =>
{
try
{
await delegateExecutorDelegate(del).ConfigureAwait(false);
return null;
}
catch (Exception ex)
{
return ex;
}
});
var results = await Task.WhenAll(tasks).ConfigureAwait(false);
var exceptions = results.Where(r => r is not null).Select(r => r!).ToList();
if (exceptions.Count != 0)
{
throw new AggregateException(exceptions);
}
}
}