public void TransferToCard(decimal amount, BankCard2 recipient)
{
bool lockTaken = false;
try
{
Monitor.TryEnter(_sync, TimeSpan.FromSeconds(1), ref lockTaken);
VerifyCard(recipient);
_moneyAmount -= amount;
recipient.ReceivePayment(amount);
}
finally
{
if (lockTaken)
{
Monitor.Exit(_sync);
}
}
}
static void Main(string[] args)
{
var bankcard = new BankCard2(10000); //10000+500+300-500 = 10300
var bankcard2 = new BankCard2(200); //200+300+500 = 1000
var t1 = Task.Factory.StartNew(() => { bankcard.ReceivePayment(500); });
var t2 = Task.Factory.StartNew(() => {
bankcard.TransferToCard(500, bankcard2);
bankcard.ReceivePayment(300);
bankcard2.ReceivePayment(300);
});
Task.WaitAll(new[] { t1, t2 });
Console.WriteLine($"Card 1 amount is {bankcard.MoneyAmount}, Card 2 amount is {bankcard2.MoneyAmount}");
/////////////////////////////////////////////////////////////////
//Character c = new Character() { Name="hamada"};
//Character c2 = new Character() { Name="mayada"};
//Console.WriteLine($"c name is {c.Name} and c2 name is {c2.Name}");
//var cref = Interlocked.Exchange(ref c, c2);
//Interlocked.Exchange(ref c2, cref);
//Console.WriteLine($"c name is {c.Name} and c2 name is {c2.Name}");
//Console.WriteLine($"characheter health is {c.Health}");
//var tasks = new List<Task>();
//for (int i = 0; i < 100; i++)
//{
// Task t1 = Task.Factory.StartNew(() => {
// for (int j = 0; j < 100; j++)
// {
// c.Hit(10);
// }
// });
// tasks.Add(t1);
// Task t2 = Task.Factory.StartNew(() => {
// for (int j = 0; j < 10; j++)
// {
// c.Heal(10);
// }
// });
// tasks.Add(t2);
//}
//Task.WaitAll(tasks.ToArray());
//Console.WriteLine($"characheter health is {c.Armor}");
///////////////////////////////////////////////////////////////////////////////
//Task.Run((Action)Do);
//// Wait until we're fairly sure the other thread // has grabbed firstLock
//Thread.Sleep(500);
//Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}-Locking secondLock");
//lock (secondLock)
//{
// Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}-Locked secondLock");
// Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}-Locking firstLock");
// lock (firstLock)
// {
// Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}-Locked firstLock");
// }
// Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}-Released firstLock");
//}
//Console.WriteLine($"{Thread.CurrentThread.ManagedThreadId}-Released secondLock");
Console.Read();
}
private bool VerifyCard(BankCard2 card)
{
Thread.Sleep(5000);
return(true);
}