private void backgroundWorker1_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
try
{
while(!backgroundWorker1.CancellationPending)
{
myTask = server.getTask(id);
if (myTask != null)
{
myTask.execute();
server.complete(id, myTask);
backgroundWorker1.ReportProgress(0, ++completedTaskCount);
}
else
{
Thread.Sleep(1000);
}
}
}
catch(SystemException)
{
MessageBox.Show("Соединение было потеряно.");
isLostConnection = true;
}
}
/**
* Return new subtask for execution
*/
public SubTask getTask(long id)
{
lock (executionLock)
{
if (completed)
{
return(null);
}
if (processedTasks.ContainsKey(id))
{
return(processedTasks[id]);
}
if (sequences != null && sequences.Count() >= 2)
{
List <int> seq1;
List <int> seq2;
seq1 = sequences.First();
sequences.RemoveAt(0);
seq2 = sequences.First();
sequences.RemoveAt(0);
SubTask task = new SubTask(seq1, seq2);
processedTasks.Add(id, task);
lastTaskTime = DateTime.Now;
return(task);
}
return(null); // Выполняться никогда не должно (по идее)
}
}
/**
* Transmits the calculation result to the server
*/
public void complete(long id, SubTask task)
{
lock (executionLock)
{
if (processedTasks.ContainsKey(id))
{
if (task.haveResult())
{
sequences.Add(task.getResult());
processedTasks.Remove(id);
if (sequences.Count == 1 && processedTasks.Count == 0)
{
completed = true;
}
}
}
}
}
/**
* Transmits the calculation result to the server
*/
public void complete(long id, SubTask task)
{
lock (executionLock)
{
if (processedTasks.ContainsKey(id))
{
if (task.haveResult())
{
sequences.Add(task.getResult());
processedTasks.Remove(id);
if (sequences.Count == 1 && processedTasks.Count == 0)
{
completed = true;
}
}
}
}
}
/**
* Return new subtask for execution
*/
public SubTask getTask(long id)
{
lock (executionLock)
{
if (completed) return null;
if (processedTasks.ContainsKey(id))
{
return processedTasks[id];
}
if (sequences != null && sequences.Count() >= 2)
{
List<int> seq1;
List<int> seq2;
seq1 = sequences.First();
sequences.RemoveAt(0);
seq2 = sequences.First();
sequences.RemoveAt(0);
SubTask task = new SubTask(seq1, seq2);
processedTasks.Add(id, task);
lastTaskTime = DateTime.Now;
return task;
}
return null; // Выполняться никогда не должно (по идее)
}
}
