protected AbstractPosMappingScanNode(PosMapper2 posMapper, IList <IDScanItem> leftBorderScan,
IList <IDScanItem> rightBorderScan)
{
PosMapper = posMapper;
LeftBorderScan = leftBorderScan;
RightBorderScan = rightBorderScan;
ItemsOnScan = rightBorderScan.Without(leftBorderScan).ToList();
}
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));
}
public MoonClusterNode(PosMapper2 posMapper, long lowerBoundaryInKm, long upperBoundaryInKm,
IList <IDScanItem> leftBorderScan, IList <IDScanItem> rightBorderScan)
: base(posMapper, leftBorderScan, rightBorderScan)
{
_upperBoundaryInKm = upperBoundaryInKm;
_lowerBoundaryInKm = lowerBoundaryInKm;
_sizeInKm = upperBoundaryInKm - lowerBoundaryInKm;
PivotalScanRangeInKm = upperBoundaryInKm - _sizeInKm / 2;
var towerCount = ItemsOnScan.Count(PosMappingUtils.IsTower);
if (IsClusterTooDense)
{
IsLeaf = true;
PosMapper.OnMoonClusterIsTooDense(ItemsOnScan.Where(PosMappingUtils.IsMoon).ToList());
//TODO on dings nicht public machen, sondern actions uebergeben oder so
}
else
{
IsLeaf = towerCount == 0 ||
(towerCount == 1 && ItemsOnScan.Count(PosMappingUtils.IsMoon) == 1);//TODO extension method fuer count == 1 (kann bei 2 abbrechen)
}
}
