Innovenergy_trunk/csharp/Lib/Utils/Try/TryAsync.sync.cs

103 lines
2.0 KiB
C#

namespace InnovEnergy.Lib.Utils.Try;
public partial class TryAsync<R>
{
public TryAsync<R> OnError<E>(Func<E, R> onError) where E : Exception
{
async Task<R> TryIt()
{
try
{
return await Func();
}
catch (E e)
{
return onError(e);
}
}
return new TryAsync<R>(TryIt);
}
public TryAsync<R> OnError<E>(Func<E, Func<Task<R>>, R> onError) where E : Exception
{
async Task<R> TryIt()
{
try
{
return await Func();
}
catch (E e)
{
return onError(e, Func);
}
}
return new TryAsync<R>(TryIt);
}
public TryAsync<R> Retry<E>(Func<E, Boolean> shouldRetry) where E : Exception
{
async Task<R> TryIt()
{
while(true)
{
try
{
return await Func();
}
catch (E e)
{
if (!shouldRetry(e))
throw;
}
}
}
return new TryAsync<R>(TryIt);
}
public TryAsync<R> OnErrorDo<E>(Action<E> onError) where E:Exception
{
async Task<R> TryIt()
{
try
{
return await Func();
}
catch (E e)
{
onError(e);
throw;
}
}
return new TryAsync<R>(TryIt);
}
public TryAsync<R> OnSuccessDo(Action<R> onSuccess)
{
async Task<R> DoIt()
{
var result = await Func();
onSuccess(result);
return result;
}
return new TryAsync<R>(DoIt);
}
public TryAsync<S> ThenTry<S>(Func<R, S> map)
{
async Task<S> MapIt()
{
var r = await Throw();
return map(r);
}
return new TryAsync<S>(MapIt);
}
}