public DefaultPosMappingScanNode(PosMapper2 posMapper, IList <IGrouping <long, IDScanItem> > moonGroups,
IList <IDScanItem> leftBorderScan, IList <IDScanItem> rightBorderScan)
: base(posMapper, leftBorderScan, rightBorderScan)
{
_moonGroups = moonGroups;
var towerCount = ItemsOnScan.Count(PosMappingUtils.IsTower);
IsLeaf = towerCount == 0 || (towerCount == 1 && moonGroups.Count < 2);
if (!IsLeaf)
{
PivotalScanRangeInKm =
PosMappingUtils.GetLowerBoundInKm(_moonGroups.Skip(_moonGroups.Count / 2).First().First().Distance);
}
}
private static IPosMappingScanNode CreateNode(PosMapper2 posMapper, IList <IDScanItem> leftBorderItems,
IList <IDScanItem> rightBorderItems)
{
var itemsAtNode = rightBorderItems.Without(leftBorderItems).ToList();
var moonGroups = PosMappingUtils.GetMoonGroups(itemsAtNode);
if (IsCluster(moonGroups))
{
var moonGroup = moonGroups.First().First();
return(new MoonClusterNode(posMapper, PosMappingUtils.GetLowerBoundInKm(moonGroup.Distance),
PosMappingUtils.GetUpperBoundInKm(moonGroup.Distance), leftBorderItems,
rightBorderItems));
}
return(new DefaultPosMappingScanNode(posMapper, moonGroups, leftBorderItems, rightBorderItems));
}
private void InitialScan(IList <IDScanItem> obj)
{
CheckForOfflineTowers(obj);
_currentNodeToScan = new DefaultPosMappingScanNode(this, PosMappingUtils.GetMoonGroups(obj),
new IDScanItem[0], obj);
if (_currentNodeToScan.IsLeaf)
{
var moonItems = _currentNodeToScan.GetMoonItems();
if (moonItems.Any())
{
OnMoonsScanned(moonItems);
}
OnScanDone();
return;
}
OnNextScanRequest(_currentNodeToScan.PivotalScanRangeInKm);
}