public async Task RunAsync(Stock stock)
{
_reportingTimer?.Start();
var prepareStep = new TransformBlock <Recipe, Cake>(async recipe => await PrepareCakeAsync(recipe), _prepareOptions);
var cookStep = new TransformBlock <Cake, Cake>(async cake => await CookCakeAsync(cake), _cookOptions);
var packageStep = new TransformBlock <Cake, Cake>(async cake => await PackageCakeAsync(cake), _packageOptions);
var deliveryStep = new ActionBlock <Cake>(async cake => await DeliveryCakeAsync(cake));
prepareStep.LinkTo(cookStep, _linkOptions);
cookStep.LinkTo(packageStep, _linkOptions);
packageStep.LinkTo(deliveryStep, _linkOptions);
while (true)
{
var recipe = await stock.GetNextRecipeAsync();
if (recipe == null)
{
break;
}
await prepareStep.SendAsync(recipe);
}
prepareStep.Complete();
await prepareStep.Completion;
await cookStep.Completion;
await packageStep.Completion;
_reportingTimer?.Stop();
}
public async Task RunAsync(Stock stock)
{
_reportingTimer?.Start();
//Step 1: Get the list of Ingredients to prepare the cake
var prepareStep = new TransformBlock <Recipe, Cake>(async recipe =>
{
var creationDate = DateTime.Now;
await Task.Delay(_durationSettingsModel.PrepareDuration);
var cake = new Cake(recipe)
{
CreationDate = creationDate
};
_cakes.Add(cake);
return(cake);
}, _prepareOptions);
//Step 2: Cook the prepared Cake
var cookStep = new TransformBlock <Cake, Cake>(async cake =>
{
await Task.Delay(_durationSettingsModel.CookDuration);
cake.Status = CakeStatus.Cooked;
return(cake);
}, _cookOptions);
//Step 3: package the cooked Cake
var packageStep = new TransformBlock <Cake, Cake>(async cake =>
{
await Task.Delay(_durationSettingsModel.PackageDuration);
cake.Status = CakeStatus.Packaged;
return(cake);
}, _packageOptions);
//Step 4: End of pipeline
var deliveryStep = new ActionBlock <Cake>(async cake =>
{
await Task.Delay(_durationSettingsModel.DeliveryDuration);
cake.Status = CakeStatus.Delivered;
cake.DeliveryDate = DateTime.Now;
});
var _linkOptions = new DataflowLinkOptions {
PropagateCompletion = true
};
prepareStep.LinkTo(cookStep, _linkOptions);
cookStep.LinkTo(packageStep, _linkOptions);
packageStep.LinkTo(deliveryStep, _linkOptions);
while (true)
{
var recipe = await stock.GetNextRecipeAsync();
if (recipe == null)
{
break;
}
await prepareStep.SendAsync(recipe);
}
// Mark the head of the pipeline as complete.
prepareStep.Complete();
// Wait for the last block in the pipeline to process all messages.
deliveryStep.Completion.Wait();
_reportingTimer?.Stop();
}
