public async Task <TSideEffect> Once <TSideEffect>(Func <TState, TSideEffect> action)
{
var maxDelay = TimeSpan.FromSeconds(20);
var delay = TimeSpan.FromMilliseconds(500);
do
{
try
{
var operationId = $"{typeof(TState).Name}-{stateId}-{requestId}";
return(await processor.Process(operationId, stateId, action));
}
catch (OptimisticConcurrencyFailure)
{
await Task.Delay(delay);
delay *= 2;
}
} while (delay <= maxDelay);
throw new OptimisticConcurrencyFailure();
}
public Task <TSideEffect> WithOutput <TSideEffect>(Func <TState, TSideEffect> action)
{
return(processor.Process <TState, TSideEffect>(requestId, stateId, action));
}