func (sg *SubGraph) AsIndices() *digraph.Indices {
b := digraph.Build(len(sg.V), len(sg.E))
for vidx := range sg.V {
u := &sg.V[vidx]
b.AddVertex(u.Color)
}
for eidx := range sg.E {
src := &b.V[sg.E[eidx].Src]
targ := &b.V[sg.E[eidx].Targ]
color := sg.E[eidx].Color
b.AddEdge(src, targ, color)
}
return digraph.NewIndices(b, 1)
}
func (dt *Digraph) Init(b *digraph.Builder, l *digraph.Labels) (err error) {
dt.lock.Lock()
// i := digraph.NewIndices(b, dt.config.Support, dt.Mode & ExtFromFreqEdges == ExtFromFreqEdges)
i := digraph.NewIndices(b, dt.config.Support)
errors.Logf("DEBUG", "done building indices")
dt.G = i.G
dt.Indices = i
dt.Labels = l
dt.lock.Unlock()
errors.Logf("DEBUG", "computing starting points")
for color, _ := range dt.Indices.ColorIndex {
sg := subgraph.Build(1, 0).FromVertex(color).Build()
_, exts, embs, _, _, err := ExtsAndEmbs(dt, sg, nil, nil, nil, dt.Mode, false)
if err != nil {
return err
}
n := NewEmbListNode(dt, sg, exts, embs, nil, nil)
dt.lock.Lock()
dt.FrequentVertices = append(dt.FrequentVertices, n)
dt.lock.Unlock()
}
return nil
}