public PalindromChecker(Object operand, Object resultAction)
{
ResultAction = resultAction as ResultBase;
_input = new SingleOperandInput() { Operand = operand };
}
private void queueButton_Click(object sender, EventArgs e)
{
Int32 queueingThreads;
Int32 tasksPerThread;
// Sanity checks.
if (!Int32.TryParse(queueThreadsTextBox.Text, out queueingThreads))
{
throw new ArgumentException("Expected a number as number of queuing worker threads.");
}
if (queueingThreads < 1)
{
throw new ArgumentException("Expected at least 1 queuing worker threads.");
}
if (!Int32.TryParse(tasksPerThreadTextBox.Text, out tasksPerThread))
{
throw new ArgumentException("Expected a number as the number of tasks each queuing thread will enqueue.");
}
if (tasksPerThread < 1)
{
throw new ArgumentException("Expected at least 1 tasks to be enqueued by each thread.");
}
// Create instances of the task and the result-action.
Object taskInstance = null;
Object resultInstance = null;
TaskObject taskObj = _taskDescriptionToObject[tasksComboBox.Text];
// Instantiate the concrete result class
if (!taskObj.RequiresInput)
{
resultInstance = Activator.CreateInstance(taskObj.ConcreteActionAndResult.Value);
}
if (taskObj.OperandsRequired == 1)
{
if (taskObj.RequiresInput)
{
SingleOperandInput soi = new SingleOperandInput() { Operand = operand1TextBox.Text };
resultInstance = Activator.CreateInstance(taskObj.ConcreteActionAndResult.Value, new Object[] { soi });
}
taskInstance = Activator.CreateInstance(taskObj.ConcreteActionAndResult.Key, new Object[] { operand1TextBox.Text, resultInstance });
}
else if (taskObj.OperandsRequired == 2)
{
if (taskObj.RequiresInput)
{
TwoOperandsInput toi = new TwoOperandsInput() { Operand1 = operand1TextBox.Text, Operand2 = operand2TextBox.Text };
resultInstance = Activator.CreateInstance(taskObj.ConcreteActionAndResult.Value, new Object[] { operand1TextBox.Text, operand2TextBox.Text });
}
taskInstance = Activator.CreateInstance(taskObj.ConcreteActionAndResult.Key, new Object[] { operand1TextBox.Text, operand2TextBox.Text, resultInstance });
}
else
{
throw new NotImplementedException("Not supporting more than 2 operands.");
}
((ITask)taskInstance).ResultAction.Changed += NewResult;
// Enqueue the task the amount of times specified, using the amount of threads specified.
EnqueueConcurrent(queueingThreads, tasksPerThread, taskInstance);
}