DeLiCluNode parentNode = index.getNode(parentEntry.getPageID());
SpatialEntry entry2 = path.get(pos).getEntry();
if(entry2.isLeafEntry()) {
for(int i = 0; i < parentNode.getNumEntries(); i++) {
DeLiCluEntry entry1 = parentNode.getEntry(i);
if(entry1.hasHandled()) {
continue;
}
D distance = distFunction.minDist(entry1, entry2);
D reach = DistanceUtil.max(distance, knns.get(((LeafEntry) entry2).getDBID()).getKNNDistance());
SpatialObjectPair dataPair = new SpatialObjectPair(reach, entry1, entry2, false);
heap.add(dataPair);
}
}
else {
Set<Integer> expanded = index.getExpanded(entry2);
for(int i = 0; i < parentNode.getNumEntries(); i++) {
SpatialDirectoryEntry entry1 = (SpatialDirectoryEntry) parentNode.getEntry(i);
// not yet expanded
if(!expanded.contains(entry1.getPageID())) {
D distance = distFunction.minDist(entry1, entry2);
SpatialObjectPair nodePair = new SpatialObjectPair(distance, entry1, entry2, true);
heap.add(nodePair);
}