func (b *BpTree) Remove(key []byte, where func([]byte) bool) error {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Remove(bytes_subgraph.Identity(key), func(bytes []byte) bool {
return where(bytes_subgraph.Identity(bytes))
})
}
func (b *BpTree) Range(from, to []byte) (it Iterator, err error) {
b.mutex.Lock()
defer b.mutex.Unlock()
raw, err := b.bpt.Range(bytes_subgraph.Identity(from), bytes_subgraph.Identity(to))
if err != nil {
return nil, err
}
return b.kvIter(raw), nil
}
func (b *BpTree) Find(key []byte) (it Iterator, err error) {
b.mutex.Lock()
defer b.mutex.Unlock()
raw, err := b.bpt.Find(bytes_subgraph.Identity(key))
if err != nil {
return nil, err
}
return b.kvIter(raw), nil
}
func (b *BpTree) kvIter(kvi fs2.Iterator) (it Iterator) {
it = func() (key []byte, value []byte, err error, _ Iterator) {
b.mutex.Lock()
defer b.mutex.Unlock()
var k, v []byte
k, v, err, kvi = kvi()
if err != nil {
return nil, nil, err, nil
}
if kvi == nil {
return nil, nil, nil, nil
}
key = bytes_subgraph.Identity(k)
value = bytes_subgraph.Identity(v)
return key, value, nil, it
}
return it
}
func (b *BpTree) valueIter(raw fs2.ItemIterator) (it ValueIterator) {
it = func() (value []byte, err error, _ ValueIterator) {
b.mutex.Lock()
defer b.mutex.Unlock()
var i []byte
i, err, raw = raw()
if err != nil {
return nil, err, nil
}
if raw == nil {
return nil, nil, nil
}
value = bytes_subgraph.Identity(i)
return value, nil, it
}
return it
}
func (b *BpTree) keyIter(raw fs2.ItemIterator) (it KeyIterator) {
it = func() (key []byte, err error, _ KeyIterator) {
b.mutex.Lock()
defer b.mutex.Unlock()
var i []byte
i, err, raw = raw()
if err != nil {
return nil, err, nil
}
if raw == nil {
return nil, nil, nil
}
key = bytes_subgraph.Identity(i)
return key, nil, it
}
return it
}
func (b *BpTree) Has(key []byte) (bool, error) {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Has(bytes_subgraph.Identity(key))
}
func (b *BpTree) Count(key []byte) (int, error) {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Count(bytes_subgraph.Identity(key))
}
func (b *BpTree) Add(key []byte, val []byte) error {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Add(bytes_subgraph.Identity(key), bytes_subgraph.Identity(val))
}
func (b *BpTree) Add(key []byte, val *subgraph.Extension) error {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Add(bytes_subgraph.Identity(key), SerializeExtension(val))
}
func (b *BpTree) Add(key []byte, val float64) error {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Add(bytes_subgraph.Identity(key), SerializeFloat64(val))
}
func (b *BpTree) Add(key []byte, val int32) error {
b.mutex.Lock()
defer b.mutex.Unlock()
return b.bpt.Add(bytes_subgraph.Identity(key), int_int.SerializeInt32(val))
}