///////////////////////////////////////////////////////////////////////////////////////////
// Method to take timestamps before and after running a (simulated) lengthy operation
// Uses a StringBuilder to collect results from the operation and display them
//
// Creates threads explicitly and launches them to run the operations concurrently
///////////////////////////////////////////////////////////////////////////////////////////
public static void testThreading()
{
Console.WriteLine("Threads!");
DateTime start = DateTime.Now;
StringBuilder sb = new StringBuilder();
string one = string.Empty;
string two = string.Empty;
string three = string.Empty;
Thread t1 = new Thread(() => { one = Threadingous.getStr1(); });
t1.Start();
// while first thread is running, carry out other operations
Thread t2 = new Thread(() => { two = Threadingous.getStr2(); });
t2.Start();
// while second thread is running, carry out other operations
Thread t3 = new Thread(() => { three = Threadingous.getStr3(); });
t3.Start();
// wait for threads to complete by joining to current thread
t1.Join();
t2.Join();
t3.Join();
sb.Append(one);
sb.Append(two);
sb.Append(three);
Console.WriteLine("Done with Threads - Values are: " + sb);
DateTime finish = DateTime.Now;
Console.WriteLine("Total Milliseconds = " + finish.Subtract(start).TotalMilliseconds);
}
///////////////////////////////////////////////////////////////////////////////////////////
// Main driver function to invoke methods implementing solutions to the problem given the
// user selection.
///////////////////////////////////////////////////////////////////////////////////////////
static void Main(string[] args)
{
string processSelection = string.Empty;
while (processSelection != "q")
{
processSelection = getProcessSelection();
Console.WriteLine();
if (processSelection != "q")
{
Console.WriteLine("------------------------------------");
switch (processSelection)
{
case "1":
Synchronous.testSynchronously();
break;
case "2":
Threadingous.testThreading();
break;
case "3":
Threadingous.testThreadingPool();
break;
case "4":
Asynchronous.testWithParallelTasks();
break;
case "5":
Asynchronous.testAsynchronously();
Console.WriteLine("Main function sleeping for 8 seconds...");
Thread.Sleep(8000);
break;
}
}
}
}
