func LoadEdge(g *goiso.Graph, vids types.Map, data []byte) (err error) {
obj, err := ParseJson(data)
if err != nil {
return err
}
_src, err := obj["src"].(json.Number).Int64()
if err != nil {
return err
}
_targ, err := obj["targ"].(json.Number).Int64()
if err != nil {
return err
}
src := int(_src)
targ := int(_targ)
label := strings.TrimSpace(obj["label"].(string))
if o, err := vids.Get(types.Int(src)); err != nil {
return err
} else {
u := o.(*goiso.Vertex)
if o, err := vids.Get(types.Int(targ)); err != nil {
return err
} else {
v := o.(*goiso.Vertex)
g.AddEdge(u, v, label)
}
}
return nil
}
func LoadVertex(g *goiso.Graph, supportAttr string, vids types.Map, nodeAttrs *bptree.BpTree, supportAttrs map[int]string, data []byte) (err error) {
obj, err := ParseJson(data)
if err != nil {
return err
}
_id, err := obj["id"].(json.Number).Int64()
if err != nil {
return err
}
label := strings.TrimSpace(obj["label"].(string))
id := int(_id)
vertex := g.AddVertex(id, label)
err = vids.Put(types.Int(id), vertex)
if err != nil {
return err
}
if nodeAttrs != nil {
bid := make([]byte, 4)
binary.BigEndian.PutUint32(bid, uint32(vertex.Idx))
err = nodeAttrs.Add(bid, data)
if err != nil {
return err
}
if supportAttr != "" {
if _, has := obj[supportAttr]; !has {
return fmt.Errorf("vertex did not have required supportAttr %v\n%v", supportAttr, string(data))
}
supportAttrs[vertex.Idx] = obj[supportAttr].(string)
}
}
return nil
}