public override async Task ProcessAsync()
{
using (SemaphoreSlim semaphore = new SemaphoreSlim(4))
{
foreach (string fileName in _fileSystem.GetFileNames(_directory))
{
System.Console.WriteLine($"Processing {fileName}...");
using (IVehicleProvider inputRepository = GetVehicleProvider(fileName))
{
List <Task> tasks = new List <Task>();
foreach (IVehicle vehicle in inputRepository.GetVehicles())
{
await semaphore.WaitAsync();
tasks.Add(Task.Run(async() =>
{
try
{
Truck truck = await TransformAsync(vehicle);
truck = await DoubleDoorsAsync(truck);
await SaveTruckAsync(truck);
}
finally
{
semaphore.Release();
}
}));
}
await Task.WhenAll(tasks);
}
}
}
}
private IEnumerable <IVehicle> GetVehicles(string fileName)
{
System.Console.WriteLine($"Processing {fileName}...");
using (IVehicleProvider repository = GetVehicleProvider(fileName))
{
foreach (var vehicle in repository.GetVehicles())
{
yield return(vehicle);
}
}
}
public override async Task ProcessAsync()
{
foreach (string fileName in _fileSystem.GetFileNames(_directory))
{
System.Console.WriteLine($"Processing {fileName}...");
using (IVehicleProvider inputRepository = GetVehicleProvider(fileName))
{
foreach (IVehicle vehicle in inputRepository.GetVehicles())
{
Truck truck = await TransformAsync(vehicle);
truck = await DoubleDoorsAsync(truck);
await SaveTruckAsync(truck);
}
}
}
}
