public static Planet[] Get_K_ClosestPlanetsFromEarth(int k, StreamReader sr)
{
var heap = new MyHeap <Planet>(k, new HeapItemComparer <Planet>(true));
while (heap.Count() < k)
{
var p = GetNextPlanet(sr);
if (p == null)
{
break;
}
heap.Insert(p);
}
while (!sr.EndOfStream)
{
var p = GetNextPlanet(sr);
if (p == null)
{
break;
}
var currentMaxFromHeap = heap.Peek();
// if planet p has EarthDistance lesser than the MaxDistancePlanet from heap,
// we should remove the MaxDistancePlanet (root) and add p.
if (p.CompareTo(currentMaxFromHeap) < 0)
{
var r = heap.Remove();
Console.WriteLine($"Removed Planet = {r}");
heap.Insert(p);
Console.WriteLine($"Inserted Planet = {p}");
}
}
return(heap.GetData());
}
static void Main(string[] args)
{
ConsoleKeyInfo choice = default(ConsoleKeyInfo);
while (true)
{
Console.WriteLine("Enter new patient?");
choice = Console.ReadKey();
if (choice.Key == ConsoleKey.N)
{
break;
}
if (patientPriorityQueue.Count() == 10)
{
Console.WriteLine("Queue is FULL..");
break;
}
Console.WriteLine("Name:");
var name = Console.ReadLine();
Console.WriteLine("Criticality:");
Console.WriteLine("1.Trauma, 2.HeartAttack, 3.Breathlessness, 4.Concussion, 5. MinorAilments");
var criticalilty = Console.ReadKey();
Patient p = new Patient()
{
Name = name,
Id = ++counter
};
switch (criticalilty.Key)
{
case ConsoleKey.NumPad1:
case ConsoleKey.D1:
p.Priority = (counter * (int)CriticalFactor.Trauma);
break;
case ConsoleKey.NumPad2:
case ConsoleKey.D2:
p.Priority = (counter * (int)CriticalFactor.HeartAttack);
break;
case ConsoleKey.NumPad3:
case ConsoleKey.D3:
p.Priority = (counter * (int)CriticalFactor.Breathlessness);
break;
case ConsoleKey.NumPad4:
case ConsoleKey.D4:
p.Priority = (counter * (int)CriticalFactor.Concussion);
break;
default:
p.Priority = (counter * (int)CriticalFactor.MinorAilments);
break;
}
patientPriorityQueue.Insert(p);
//Thread.Sleep(TimeSpan.FromSeconds(20));
}
while (!patientPriorityQueue.IsEmpty)
{
var nextPatient = patientPriorityQueue.Remove();
Console.WriteLine($"Name: {nextPatient.Name}, Priority={nextPatient.Priority}");
}
// create a PQueue of patients
//var enterPatientTask = Task.Factory.StartNew(() => {
// while (true)
// {
// Console.WriteLine("Enter new patient?");
// choice = Console.ReadKey();
// if (choice.Key == ConsoleKey.N)
// break;
// Console.WriteLine("Name:");
// var name = Console.ReadLine();
// Console.WriteLine("Criticality:");
// Console.WriteLine("1.Trauma, 2.HeartAttack, 3.Breathlessness, 4.Concussion, 5. MinorAilments");
// var criticalilty = Console.ReadKey();
// Patient p = new Patient()
// {
// Name = name,
// Id = ++counter
// };
// switch(criticalilty.Key)
// {
// case ConsoleKey.NumPad1:
// case ConsoleKey.D1:
// p.Priority = (counter * (int)CriticalFactor.Trauma);
// break;
// case ConsoleKey.NumPad2:
// case ConsoleKey.D2:
// p.Priority = (counter * (int)CriticalFactor.HeartAttack);
// break;
// case ConsoleKey.NumPad3:
// case ConsoleKey.D3:
// p.Priority = (counter * (int)CriticalFactor.Breathlessness);
// break;
// case ConsoleKey.NumPad4:
// case ConsoleKey.D4:
// p.Priority = (counter * (int)CriticalFactor.Concussion);
// break;
// default:
// p.Priority = (counter * (int)CriticalFactor.MinorAilments);
// break;
// }
// patientPriorityQueue.Insert(p);
// Thread.Sleep(TimeSpan.FromSeconds(20));
// }
//});
//var getNextPatientTask = Task.Factory.StartNew(() => {
// while (!patientPriorityQueue.IsEmpty)
// {
// var nextPatient = patientPriorityQueue.Remove();
// Console.WriteLine("Next Patient");
// Console.WriteLine("-----------------------");
// Console.WriteLine($"Name: {nextPatient.Name}, Priority={nextPatient.Priority}");
// Thread.Sleep(TimeSpan.FromSeconds(25));
// }
//});
//var tasks = new Task[] { enterPatientTask , getNextPatientTask };
//Task.WaitAll(tasks);
}