private void UpdateShipmentQueuingAtStation(object sender, StationShipmentEventArgs e)
{
try
{
_synchronizationContext.Post((evnt) =>
{
try
{
var evntargs = (evnt as StationShipmentEventArgs);
if (evnt != null && tvwStations != null)
{
foreach (TreeNode node in tvwStations.Nodes[0].Nodes)
{
if (node.Text.Equals("Station" + e.SourceStationNumber))
{
TreeNode newChildNode = new TreeNode(evntargs.Message);
newChildNode.Tag = evntargs.DeliveredShipment.ShipmentIdentifier;
node.Nodes.Add(newChildNode);
}
}
}
tvwStations.ExpandAll();
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
}, e);
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
}
public void ProcessQueuedShipment()
{
try
{
if (_queueShipment.Count() > 0)
{
while (_queueShipment.Count() > 0)
{
Shipment shipment = _queueShipment.Dequeue();
var station = LookupCache.GetInstance().GetStation(shipment.SourceStation.StationId);
station.DeliverShipmentToStation(shipment);
StationShipmentEventArgs args = new StationShipmentEventArgs(shipment.SourceStation.StationId, shipment.DestinationStation.StationId);
args.Message = shipment + " Shipment queued at " + shipment.SourceStation;
args.DeliveredShipment = shipment;
OnShipmentQueued(this, args);
}
}
_queueShipmentSynchronizer.WaitOne();
ProcessQueuedShipment();
}
catch (Exception)
{
throw;
}
}
public void OnShipmentQueued(object sender, StationShipmentEventArgs eventArgs)
{
var shipmentQueuedAtStation = ShipmentQueuedAtStation;
if (shipmentQueuedAtStation != null)
{
shipmentQueuedAtStation(sender, eventArgs);
}
}
private void QueueArrivedShipment(object sender, StationShipmentEventArgs eventArgs)
{
try
{
Station sourceStation = LookupCache.GetInstance().GetStation(eventArgs.SourceStationNumber);
Station destinationStation = LookupCache.GetInstance().GetStation(eventArgs.DestinationStationNumber);
Shipment shipment = new Shipment(sourceStation, destinationStation);
_queueShipment.Enqueue(shipment);
_queueShipmentSynchronizer.Set();
}
catch (Exception)
{
throw;
}
}
private void UpdateShipmentDequeueFromStation(object sender, StationShipmentEventArgs e)
{
try
{
_synchronizationContext.Post((evnt) =>
{
try
{
var evntargs = (evnt as StationShipmentEventArgs);
if (evnt != null && tvwTrains != null)
{
foreach (TreeNode node in tvwStations.Nodes[0].Nodes)
{
if (node.Text.Contains("Station" + evntargs.SourceStationNumber))
{
if (node.Nodes.Count > 0)
{
TreeNode nodeToRemove = null;
foreach (TreeNode shipmentNode in node.Nodes)
{
if (shipmentNode.Tag.ToString().Contains(evntargs.DeliveredShipment.ShipmentIdentifier.ToString()))
{
nodeToRemove = shipmentNode;
break;
}
}
if (nodeToRemove != null)
{
node.Nodes.Remove(nodeToRemove);
}
}
}
}
}
tvwStations.ExpandAll();
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
}, e);
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
}
