/// <summary>
/// Creates an Event of the designated type, to occure at a specified time, and bound to a given entity
/// </summary>
/// <param name="eventType">The type of event to create</param>
/// <param name="eventTime">The time the event will occur</param>
/// <param name="entity">The Call this event is bound to (Can be null)</param>
/// <returns></returns>
public Event CreateEvent(EEventType eventType, DateTime eventTime, Call entity)
{
//Create an event to return
Event eve = null;
//Switch on the possible event types
switch (eventType)
{
case EEventType.CallArrive:
eve = new CallArriveEvent(entity, eventTime);
break;
case EEventType.SwitchCompleted:
eve = new SwitchCompletedEvent(entity, eventTime);
break;
case EEventType.CompletedService:
eve = new CompletedServiceEvent(entity, eventTime);
break;
case EEventType.EndReplication:
eve = new EndReplicationEvent(eventTime);
break;
}
return(eve);
}
/// <summary>
/// Updates the statisics affected by a CallArriveEvent
/// </summary>
/// <param name="callArriveEvent">The Event that occured</param>
/// <exception cref="System.ArgumentNullException">Thrown when the given event is null</exception>
private void CallArrive(CallArriveEvent callArriveEvent)
{
//Check that the given event is not null
if (callArriveEvent != null)
{
//If the event ended in a hangup
if (callArriveEvent.HangUp == true)
{
//Increase the number of busy signals
busySignalCount++;
}
}
else // given event was null throw exception
{
throw new ArgumentNullException("callArriveEvent", "Attempted to pass null CallArriveEvent to StatisticsManagager.CallArrive");
}
}
/// <summary>
/// Updates the call arrival panel
/// </summary>
private void UpdateCallArrivalPanel()
{
//Get the next CallArriveEvent from the calendar
CallArriveEvent nextCAE = sim.Calendar.NextEventOfType(EEventType.CallArrive) as CallArriveEvent;
//Refresh the panel
pnlCallArrive.Refresh();
//Check that it is not null
if (nextCAE != null)
{
//Draw the call
int centerX = pnlCallArrive.Width / TWO;
int centerY = pnlCallArrive.Height / TWO;
DrawCall(nextCAE.Entity, new Point(centerX, centerY), panelBuffers[pnlCallArrive]);
}
}