func (self *Fs2BpTree) Remove(key []byte, where func(*goiso.SubGraph) bool) error {
self.mutex.Lock()
defer self.mutex.Unlock()
return self.bpt.Remove(key, func(bytes []byte) bool {
sg := goiso.DeserializeSubGraph(self.g, bytes)
return where(sg)
})
}
func (self *Fs2BpTree) kvIter(kvi fs2.Iterator) (it Iterator) {
it = func() ([]byte, *goiso.SubGraph, Iterator) {
self.mutex.Lock()
defer self.mutex.Unlock()
var key []byte
var bytes []byte
var err error
key, bytes, err, kvi = kvi()
// log.Println("kv iter", bytes, err, kvi)
assert_ok(err)
if kvi == nil {
return nil, nil, nil
}
sg := goiso.DeserializeSubGraph(self.g, bytes)
return key, sg, it
}
return it
}
func DeserializeParentedSg(g *goiso.Graph, bytes []byte) *ParentedSg {
lenP := binary.LittleEndian.Uint32(bytes[0:4])
lenSG := binary.LittleEndian.Uint32(bytes[4:8])
off := 8
parent := make([]byte, lenP)
{
s := off
e := s + len(parent)
copy(parent, bytes[s:e])
}
off += len(parent)
var sg *goiso.SubGraph
{
s := off
e := s + int(lenSG)
sg = goiso.DeserializeSubGraph(g, bytes[s:e])
}
return NewParentedSg(parent, sg)
}
func DeserializeSubGraph(g *goiso.Graph) func([]byte) *goiso.SubGraph {
return func(bytes []byte) *goiso.SubGraph {
return goiso.DeserializeSubGraph(g, bytes)
}
}