public virtual void Update(MovableTarget target)
{
if (!string.IsNullOrEmpty(target.Name))
{
Name = target.Name;
}
MMSI = target.MMSI;
Lon = target.Lon;
Lat = target.Lat;
SOG = target.SOG;
COG = target.COG;
UpdateTime = target.UpdateTime;
OriginalObject = target.OriginalObject;
removeTimeOutData();
updateHistoryData(target.ShallowClone());
if (_historyChanged)
{
fireUpdate();
}
else
{
fireUpdateLastData();
}
_historyChanged = false;
}
private void updateHistoryData(MovableTarget movableTarget)
{
if (History.Count == 0)
{
historyEnqueue(movableTarget);
}
else
{
var last = History.Last();
if (Math.Abs(last.Lon - movableTarget.Lon) < 0.00001 && Math.Abs(last.Lat - movableTarget.Lat) < 0.00001)
{
last.UpdateTime = movableTarget.UpdateTime;
}
else if (last.UpdateTime == movableTarget.UpdateTime)
{
return;
}
else
{
historyEnqueue(movableTarget);
}
}
}
void historyEnqueue(MovableTarget movableTarget)
{
History.Enqueue(movableTarget);
_historyChanged = true;
}