async public Task <SlowInt> Max(SlowInt other)
{
if (_showDebugInfo)
{
Console.WriteLine("SlowInt Max started");
}
SlowInt result = await Task.Run <SlowInt>(() =>
{
Thread.Sleep(_delay);
if (other == null)
{
return(this);
}
return(_value < other._value ? other : this);
});
if (_showDebugInfo)
{
Console.WriteLine("SlowInt Max finished");
}
return(result);
}
async public static Task <SlowInt> Sum(this SlowInt[] array, bool showDebugInfo = false)
{
SlowInt result = new SlowInt(0, showDebugInfo);
for (int i = 0; i < array.Length; i++)
{
result = await result.Add(array[i]);
}
return(result);
}
async public Task <SlowInt> Add(SlowInt other)
{
if (_showDebugInfo)
{
Console.WriteLine("SlowInt Add started");
}
SlowInt result = await Task.Run <SlowInt>(() => {
Thread.Sleep(_delay);
return(new SlowInt(_value + other._value, _showDebugInfo, _delay));;
});
if (_showDebugInfo)
{
Console.WriteLine("SlowInt Add finished");
}
return(result);
}
async public Task <bool> LowerThen(SlowInt other)
{
if (_showDebugInfo)
{
Console.WriteLine("SlowInt LowerThen started");
}
bool result = await Task.Run <bool>(() => {
Thread.Sleep(_delay);
return(other._value >= _value);
});
if (_showDebugInfo)
{
Console.WriteLine("SlowInt LowerThen finished");
}
return(result);
}
async public static Task <SlowInt> Max(this SlowInt[] array)
{
SlowInt[] elementsLeft = array;
while (elementsLeft.Length > 1)
{
// Nie umiem użyć Math.Ceiling xD
int newSize = elementsLeft.Length / 2;
if (elementsLeft.Length % 2 == 1)
{
newSize++;
}
Task <SlowInt>[] biggerElements = new Task <SlowInt> [newSize];
for (int i = 0; i < newSize; i++)
{
if (elementsLeft.Length == 2 * i + 1)
{
// Trzeba zapisać jako oddzielna zmienna, w innym przypadku i nie będzie poprawne
int lastIndex = 2 * i;
biggerElements[i] = Task.Run(() => elementsLeft[lastIndex]);
}
else
{
biggerElements[i] = elementsLeft[2 * i].Max(elementsLeft[2 * i + 1]);
}
}
Task.WaitAll(biggerElements);
elementsLeft = new SlowInt[newSize];
for (int i = 0; i < newSize; i++)
{
elementsLeft[i] = biggerElements[i].Result;
}
}
return(elementsLeft[0]);
}
private async static Task RunTestsAsync()
{
Console.WriteLine("=== ETAP 1 ===");
var a = new SlowInt(10, true);
var b = new SlowInt(5, true);
var result1 = a.Equal(b);
var result2 = b.Add(b);
var result3 = b.LowerThen(a);
result1.Wait();
result2.Wait();
result3.Wait();
Console.WriteLine();
Console.WriteLine("Results: {0}, {1}, {2}", result1.Result, result2.Result, result3.Result);
Console.WriteLine();
var result4 = await a.Equal(a);
var result5 = await a.Add(b);
var result6 = await a.LowerThen(a);
Console.WriteLine();
Console.WriteLine("Results: {0}, {1}, {2}", result4, result5, result6);
Console.WriteLine();
Console.WriteLine("=== ETAP 2 ===");
var array1 = new SlowInt[]
{
new SlowInt(5), new SlowInt(4), new SlowInt(12), new SlowInt(2)
};
var sum1 = await array1.Sum(true);
var array2 = new SlowInt[60];
for (int i = 0; i < 60; ++i)
{
array2[i] = new SlowInt(i, false, 1);
}
var sum2 = await array2.Sum();
Console.WriteLine();
Console.WriteLine("Results: {0}, {1}", sum1, sum2);
Console.WriteLine();
Console.WriteLine("=== ETAP 3 ===");
array1 = new SlowInt[]
{
new SlowInt(5, true), new SlowInt(4, true), new SlowInt(12, true), new SlowInt(2, true)
};
var max1 = array1.Max();
var max2 = array2.Max();
max1.Wait();
max2.Wait();
Console.WriteLine();
Console.WriteLine("Results: {0}, {1}", max1.Result, max2.Result);
Console.WriteLine();
}
