func Next(ctx interface{}, cur lattice.Node) (lattice.Node, error) {
kids, err := cur.Children()
if err != nil {
return nil, err
}
parents, err := cur.Parents()
if err != nil {
return nil, err
}
adjs := append(kids, parents...)
errors.Logf("DEBUG", "cur %v parents %v kids %v adjs %v", cur, len(parents), len(kids), len(adjs))
_, next, err := walker.Transition(cur, adjs, weight, false)
return next, err
}
func Next(w *walker.Walker, cur lattice.Node) (lattice.Node, error) {
kids, err := cur.Children()
if err != nil {
return nil, err
}
parents, err := cur.Parents()
if err != nil {
return nil, err
}
adjs := append(kids, parents...)
errors.Logf("DEBUG", "cur %v parents %v kids %v adjs %v", cur, len(parents), len(kids), len(adjs))
prs, err := transPrs(w, cur, adjs)
if err != nil {
return nil, err
}
adjs = append(adjs, cur)
prs = append(prs, selfPr(prs))
i := stats.WeightedSample(prs)
return adjs[i], nil
}