/// <summary>
/// You can also wait for a task, all or any
/// </summary>
public void WaitAnyTask()
{
Task <int>[] tasks = new Task <int> [3];
tasks[0] = Task.Run(() =>
{
Thread.Sleep(1000);
return(1);
});
tasks[1] = Task.Run(() =>
{
Thread.Sleep(1000);
return(2);
});
tasks[2] = Task.Run(() =>
{
Thread.Sleep(1000);
return(3);
});
while (tasks.Length > 0)
{
int index = Task.WaitAny(tasks);
Console.WriteLine($"Task {index} is finished and returned {tasks[index].Result}");
List <Task <int> > temp = tasks.ToList();
temp.RemoveAt(index);
tasks = temp.ToArray();
}
}
static void WaitAny()
{
Task <int>[] tasks = new Task <int> [3];
tasks[0] = Task.Run(() => { Thread.Sleep(2000); return(1); });
tasks[1] = Task.Run(() => { Thread.Sleep(1000); return(2); });
tasks[2] = Task.Run(() => { Thread.Sleep(3000); return(3); });
while (tasks.Length > 0)
{
int i = Task.WaitAny(tasks);
Task <int> completedTask = tasks[i];
Console.WriteLine(completedTask.Result);
var temp = tasks.ToList();
temp.RemoveAt(i);
tasks = temp.ToArray();
}
}
static void Main(string[] args)
{
//Task t = Task.Run(() =>
//{
// for(int x = 0; x< 100; x++)
// {
// Console.Write("*");
// }
//});
//Task t2 = Task.Run(() =>
//{
// for(int x = 0; x < 100; x++)
// {
// Console.Write("!");
// }
//});
////t.Wait();
//Console.WriteLine(t.IsCompleted);
//Console.WriteLine("FREEEEEEEEDOOM");
//Console.ReadKey();
//*********************
//Task<int> t = Task.Run(() =>
//{
// return 42;
//}).ContinueWith((i) => {
// return i.Result * 2;
//});
//t.ContinueWith((i) =>
//{
// Console.WriteLine("Cancelled");
//}, TaskContinuationOptions.OnlyOnCanceled);
//t.ContinueWith((i) =>
//{
// Console.WriteLine("DERP");
//}, TaskContinuationOptions.OnlyOnRanToCompletion);
//Console.WriteLine(t.Result);
//*********************
//Task<Int32[]> parent = Task.Run(() =>
//{
// var results = new Int32[3];
// new Task(() => results[0] = 14, TaskCreationOptions.AttachedToParent).Start();
// Thread.Sleep(2000);
// return results;
//});
//var finalTask = parent.ContinueWith(
// parentTask =>
// {
// foreach (int i in parentTask.Result)
// Console.WriteLine(i);
// });
//finalTask.Wait();
//*********************
//Task<int[]> parent = Task.Run(() =>
//{
// var results = new int[3];
// TaskFactory tf = new TaskFactory(TaskCreationOptions.AttachedToParent, TaskContinuationOptions.ExecuteSynchronously);
// tf.StartNew(() => results[0] = 1);
// tf.StartNew(() => results[1] = 14);
// tf.StartNew(() => results[2] = 75);
// return results;
//});
//var finalTask = parent.ContinueWith(
// parentTask =>
// {
// foreach (int i in parentTask.Result)
// Console.WriteLine($"stuff {i}");
// });
//finalTask.Wait();
//*********************
//Task[] tasks = new Task[3];
//tasks[0] = Task.Run(() =>
//{
// Thread.Sleep(1000);
// Console.WriteLine("1");
// //return 1;
//});
//tasks[1] = Task.Run(() =>
//{
// Thread.Sleep(1000);
// Console.WriteLine("2");
// //return 1;
//});
//tasks[2] = Task.Run(() =>
//{
// Thread.Sleep(2000);
// Console.WriteLine("3");
// //return 1;
//});
//Task.WaitAll(tasks);
//Console.WriteLine("turds");
//*********************
Task[] tasks = new Task[3];
tasks[0] = Task.Run(() =>
{
Thread.Sleep(1000);
Console.WriteLine("1");
//return 1;
});
tasks[1] = Task.Run(() =>
{
Thread.Sleep(3000);
Console.WriteLine("2");
//return 1;
});
tasks[2] = Task.Run(() =>
{
Thread.Sleep(500);
Console.WriteLine("3");
//return 1;
});
while (tasks.Length > 0)
{
int i = Task.WaitAny(tasks);
Console.WriteLine(i.ToString() + " is now done.");
var temp = tasks.ToList();
temp.RemoveAt(i);
tasks = temp.ToArray();
}
//*********************
Console.ReadKey();
}
