public void Execute(ITask task, CancellationToken cancelationToken)
{
if (!this.isExecuting && !cancelationToken.IsCancellationRequested)
{
this.isExecuting = true;
this.logger.LogInformation($"Start prosessing task \"{task.KeyWord}\"");
var steps = this.stepManager.GetStepsFor(task.KeyWord);
if (steps.Count < 1)
{
//TODO: Have an option to use to the next keyword???
this.logger.LogWarning($"No suitable steps found for keyword \"{task.KeyWord}\"");
return;
}
var allSteps = steps.SelectMany(m => m.CreateSteps()).ToList();
this.countdown = new CountdownEvent(allSteps.Count);
Console.WriteLine("Signals: " + allSteps.Count);
System.Threading.Tasks.Task.Factory.StartNew(() => {
this.countdown.Wait();
this.isExecuting = false;
this.logger.LogInformation($"Task \"{task.KeyWord}\" completed");
}, cancelationToken);
allSteps.ForEach(step => System.Threading.Tasks.Task.Factory.StartNew(() => {
// in theory the condition could modify the task,
try
{
if (step.Condition(task) && !cancelationToken.IsCancellationRequested)
{
this.logger.LogInformation($"Process {task.KeyWord} with {task.Records.Count} records.");
this.createdTasks.Consume(step.Process((ITask)task.Clone(), cancelationToken));
}
}
finally
{
this.countdown.Signal();
Console.WriteLine("Signal");
}
}, cancelationToken));
}
}
public ITaskCollection Process(ITask task, CancellationToken token)
{
var collection = new TaskCollection();
var newTask = (ITask)task.Clone();
newTask.KeyWord = "";
if (!string.IsNullOrWhiteSpace(this.next))
{
newTask.KeyWord = this.next;
}
var record = newTask.Records.FirstOrDefault();
newTask.Records.Clear();
newTask.Records.Add(new Core.Data.Record(record.Key, record.ContentHint, record.Content + this.add));
collection.Add(newTask);
return(collection);
}