}//End Constructor.
/***********************************************************
* Takes an event code and an entity and returns a SimEvent.
**********************************************************/
public SimEvent CreateEvent(int eventCode, Entity e)
{
SimEvent newEvent = null;
//Determine the type of event to return based on the given event code.
switch (eventCode)
{
//ArriveAtCallCenter event.
case EventCode.ArriveAtCallCenter:
newEvent = CreateArriveAtCallCenter(e);
break;
//CompleteIVRServiceEvent.
case EventCode.CompleteIVRService:
newEvent = CreateCompleteIVRService(e);
break;
//EndWaitInQueue and CompleteServiceDesk event. To determine the return event,
//this factory has to check if their is room in the service desk for the entity.
case EventCode.EndWaitInQueue:
case EventCode.CompleteServiceDesk:
newEvent = CheckDesk(e);
break;
}
return(newEvent);
}//End CreateEvent.
}//End DisplayControl.
/****************************************************
* Formats the event in a row of data and displays it.
****************************************************/
protected void DisplayRowData(SimEvent se)
{
//Convert the event's entity id value to string.
string entityID = Convert.ToString(se.EventEntity.EntityID);
string eventName = se.EventName;
//Convert the event time to string.
string eventTime = (se.EventTime != null ? se.EventTime.Value.ToString(TIME_FORMAT) : NULL_VALUE);
//Convert the event's entity begin wait value to string.
string beginWait = (se.EventEntity.BeginWait != null ?se.EventEntity.BeginWait.Value.ToString(TIME_FORMAT) : NULL_VALUE);
//Convert the event's entity start time value to string.
string startTime = (se.EventEntity.StartTime != null ? se.EventEntity.StartTime.Value.ToString(TIME_FORMAT) : NULL_VALUE);
//Put the event's entity product type value in a local string.
string productType = se.EventEntity.ProductType;
//Create a display string.
string s = string.Format(FORMAT, entityID.PadRight(ENTITY_ID_PAD, ' '),
eventName.PadRight(EVENT_NAME_PAD, ' '), eventTime.PadRight(EVENT_TIME_PAD, ' '), beginWait.PadRight(BEGIN_WAIT_PAD, ' '),
startTime.PadRight(START_TIME_PAD, ' '), productType.PadRight(PRODUCT_TYPE_PAD, ' '));
//Display the row data.
displayOutput.Items.Add(s);
}//End DisplayRowData.
}//End InitServiceDesksandQueues.
/************************************************************************************************************
* Runs the discrete event simulator. Responible for adding events to the calendar and executing the current
* event until the simulation clock reaches the end time.
************************************************************************************************************/
public void RunSimulation()
{
//Add the first entity/event to the simulation.
AddEntity();
//Run the simulation...
while (calendar.SimClock.TimeOfDay <= simEndTime.TimeOfDay)
{
//Set the simulation time to that of the next event.
calendar.UpdateClock();
//Retrieve the next event to be executed from the calendar.
SimEvent curEvent = calendar.FetchEvent();
//Check if the current event falls within the simulation time
//(prevents a bug that lets events run after the simEndTime).
if (curEvent.EventTime <= simEndTime)
{
//Execute the event and set result equal to the return code.
int?result = curEvent.ExecuteEvent();
//If the result is not null...
if (result != null)
{
//Create an event code equal to the event result.
int eventCode = Convert.ToInt16(result);
//Create a new event using the entity from the current event and the returned event code.
SimEvent newEvent = eventFactory.CreateEvent(eventCode, curEvent.EventEntity);
//Add the new event to the calendar.
calendar.AddEvent(newEvent);
}
else
{
//If the result is null, remove the entity from the master entity list.
entityList.Remove(curEvent.EventEntity);
}
//If the executed event was an arrive at call center event...
if (curEvent is ArriveAtCallCenter)
{
//Add a new entity/event to the simulation.
AddEntity();
}
//Pause.
Thread.Sleep(threadSleepTime);
}
}
//Update the statistics handler observe time.
TimeSpan span = simEndTime - simStartTime;
stats.ObserveTime = (int)span.TotalMinutes;
//Perform the calculations required at the end of a simulation.
stats.PerformSimEndCalculations(serviceDeskList);
}//End RunSimulation.
}//End UpdateClock
/***************************************************
* Add the given event to the calendar's event list.
**************************************************/
public void AddEvent(SimEvent newEvent)
{
eventList.Add(newEvent);
//Sort the events by time.
eventList.Sort();
//Fire calendar update event.
OnCalendarUpdate();
}//End AddEvent.
}//End RunSimulation.
/***********************************************************************************************
* Creates a new entity, puts it in an arrive at call center event, and adds it to the calendar.
**********************************************************************************************/
private void AddEntity()
{
//Create a new entity.
Entity newEntity = entityFactory.MakeEntity();
//Use the new entity to create an arrive at call center event.
SimEvent newEvent = eventFactory.CreateEvent(EventCode.ArriveAtCallCenter, newEntity);
//Add the event to the calendar.
calendar.AddEvent(newEvent);
//Add the entity to the master entity list.
entityList.Add(newEntity);
}//End AddEntity.
}//End AddEvent.
/****************************************
* Returns the next event to be executed.
***************************************/
public SimEvent FetchEvent()
{
SimEvent curEvent = null;
//Sort the events by time.
eventList.Sort();
//Check that an event exists in the system...
if (eventList.Count() > 0)
{
//Set the return event to the next event to be executed.
curEvent = eventList[0];
//Remove the return event from the event list.
eventList.Remove(curEvent);
//Fire calendar update event.
OnCalendarUpdate();
}
return(curEvent);
}//End FetchEvent.
