public static async Task <int> MainAsync()
{
Console.WriteLine("App thread {0}", Thread.CurrentThread.ManagedThreadId);
CancellationTokenSource cts = new CancellationTokenSource();
FilterStringList oddFilter = new FilterStringList(OddFilter);
FilterStringList evenFilter = new FilterStringList(EvenFilter);
FilterStringList[] filters = { oddFilter, evenFilter };
EventSimulator.Start();
StartSensors();
Task <List <string> > collectData = StartCollectionInterval(cts);
await Task.Delay(2000);
cts.Cancel(); //propogate cancellation among async operations -- which causes return of that task
await collectData; //now I do the actual awaiting
List <string> collectionOfData = collectData.Result;
// if ( collectionOfData.IsCompleted ) {
// Console.WriteLine("THIS IS THE RESULT" + string.Join(",", collectionOfData.Result) );
// }
string[] allResults = collectionOfData.ToArray();
JObject[] jsonObjs = allResults.Select(s => JObject.Parse(s)).ToArray();
foreach (JObject o in jsonObjs)
{
// Console.WriteLine(o.ToString());s
// JToken data = o.GetValue("data");
JArray eventArray = (JArray)o["data"];
//Are these auto optimized? or do i needs a transducer
List <JObject> importantEvents = eventArray
.Where(ev => ev.ToString().Length > 0) //make sure the jtoken was not a newline
.Select(ev => JObject.Parse(ev.ToString())) //JToken -> Jobject
.Where(Filter.IsImportantEvent) //Filter out "non-important" events
.ToList();
if (importantEvents.Count > 0)
{
Console.WriteLine(JsonConvert.SerializeObject(importantEvents));
}
// bool test = Filter.IsImportantEvent(ev);
// Console.WriteLine(ev + " " + test);
Console.WriteLine("------------------------");
}
// Console.WriteLine( string.Join(",",allResults) + "\n\n" + jsonObjs[1].ToString());
return(0);
}
public static void Demo()
{
Add add4 = AddFour;
Add add3 = AddThree;
Add sub4 = SubtractFour;
Console.WriteLine("should be 8 : " + add4(4));
Console.WriteLine("should be 6 : " + add3(3));
Console.WriteLine("Should be 7 : " + AddAdd(add4, add3, 0));
//subtract has the same signature so I can use it as well
Console.WriteLine("Should be 0 : " + AddAdd(add4, sub4, 0));
List <string> myStringList = new List <string>()
{
"test", "strings", "are", "interesting?"
};
FilterStringList oddFilterFn = new FilterStringList(OddFilter);
FilterStringList evenFilterFn = new FilterStringList(EvenFilter);
FilterStringList oddFilterFn_func = new FilterStringList(OddFilter_func);
FilterStringList[] filterArray = { oddFilterFn, evenFilterFn, oddFilterFn_func };
// Predicate<string> isEvenLength = s => s.Length % 2 == 0;
Func <string, bool> isEvenLength = s => s.Length % 2 == 0;
string[] areEven = myStringList.Where(isEvenLength).ToArray();
Console.WriteLine(" areEven : " + string.Join(",", areEven));
}