//Senario >> Same operation in different sources
public static void Run()
{
int[] sampleHits = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
//Shared Variable
int hits = 0;
Task<int> sideTask = Task.Factory.StartNew<int>(() =>
{
List<Task> tasks = new List<Task>();
object Lock = new object();
for (int i = 0; i < 1000; i++) //fire 10 parallel thread to update hits
{
var data = new dataClass() { field1 = sampleHits[i % 10].ToString() };
Task t = Task.Factory.StartNew((arg1) =>
{
dataClass localdata = (dataClass)arg1;
for (int j = 0; j < 10000; j++)
{
//Critical Section
lock (Lock)
{
hits += Convert.ToInt32(localdata.field1);
//Note : ++ is not an atomic operation
}
}
},
data.clone()
);
tasks.Add(t);
}
Task.WaitAll(tasks.ToArray());
return hits;
});//Side Task End
Task updateUI = sideTask.ContinueWith(ft =>
{
try
{
int allHits = ft.Result;
Program.mainform.Controls["lbl_ConcurrencyResult"].Text = allHits.ToString();
}
catch (AggregateException ae)
{
ae = ae.Flatten();
foreach (Exception ex in ae.InnerExceptions)
{
Program.mainform.Controls["lbl_ConcurrencyResult"].Text += ex.Message;
}
}
},
TaskScheduler.FromCurrentSynchronizationContext()//Must run on current UI Thread
);
}
//Senario >> Same operation in different sources
public static void Run()
{
int[] sampleHits = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
//Shared Variable
int hits = 0;
Task <int> sideTask = Task.Factory.StartNew <int>(() =>
{
List <Task> tasks = new List <Task>();
object Lock = new object();
for (int i = 0; i < 1000; i++) //fire 10 parallel thread to update hits
{
var data = new dataClass()
{
field1 = sampleHits[i % 10].ToString()
};
Task t = Task.Factory.StartNew((arg1) =>
{
dataClass localdata = (dataClass)arg1;
for (int j = 0; j < 10000; j++)
{
//Critical Section
lock (Lock)
{
hits += Convert.ToInt32(localdata.field1);
//Note : ++ is not an atomic operation
}
}
},
data.clone()
);
tasks.Add(t);
}
Task.WaitAll(tasks.ToArray());
return(hits);
});//Side Task End
Task updateUI = sideTask.ContinueWith(ft =>
{
try
{
int allHits = ft.Result;
Program.mainform.Controls["lbl_ConcurrencyResult"].Text = allHits.ToString();
}
catch (AggregateException ae)
{
ae = ae.Flatten();
foreach (Exception ex in ae.InnerExceptions)
{
Program.mainform.Controls["lbl_ConcurrencyResult"].Text += ex.Message;
}
}
},
TaskScheduler.FromCurrentSynchronizationContext()//Must run on current UI Thread
);
}