frostfs-node/pkg/local_object_storage/engine/tree.go
Evgenii Stratonikov dd7c4385c6 [#1326] services/tree: Implement GetSubTree RPC
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-08 12:50:13 +03:00

92 lines
2.4 KiB
Go

package engine
import (
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
)
var _ pilorama.Forest = (*StorageEngine)(nil)
// TreeMove implements the pilorama.Forest interface.
func (e *StorageEngine) TreeMove(cid cidSDK.ID, treeID string, m *pilorama.Move) (*pilorama.LogMove, error) {
var err error
var lm *pilorama.LogMove
for _, sh := range e.sortShardsByWeight(cid) {
lm, err = sh.TreeMove(cid, treeID, m)
if err != nil {
continue
}
return lm, nil
}
return nil, err
}
// TreeAddByPath implements the pilorama.Forest interface.
func (e *StorageEngine) TreeAddByPath(cid cidSDK.ID, treeID string, attr string, path []string, m []pilorama.KeyValue) ([]pilorama.LogMove, error) {
var err error
var lm []pilorama.LogMove
for _, sh := range e.sortShardsByWeight(cid) {
lm, err = sh.TreeAddByPath(cid, treeID, attr, path, m)
if err != nil {
continue
}
return lm, nil
}
return nil, err
}
// TreeApply implements the pilorama.Forest interface.
func (e *StorageEngine) TreeApply(cid cidSDK.ID, treeID string, m *pilorama.Move) error {
var err error
for _, sh := range e.sortShardsByWeight(cid) {
err = sh.TreeApply(cid, treeID, m)
if err != nil {
continue
}
return nil
}
return err
}
// TreeGetByPath implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetByPath(cid cidSDK.ID, treeID string, attr string, path []string, latest bool) ([]pilorama.Node, error) {
var err error
var nodes []pilorama.Node
for _, sh := range e.sortShardsByWeight(cid) {
nodes, err = sh.TreeGetByPath(cid, treeID, attr, path, latest)
if err != nil {
continue
}
return nodes, nil
}
return nil, err
}
// TreeGetMeta implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetMeta(cid cidSDK.ID, treeID string, nodeID pilorama.Node) (pilorama.Meta, error) {
var err error
var m pilorama.Meta
for _, sh := range e.sortShardsByWeight(cid) {
m, err = sh.TreeGetMeta(cid, treeID, nodeID)
if err != nil {
continue
}
return m, nil
}
return pilorama.Meta{}, err
}
// TreeGetChildren implements the pilorama.Forest interface.
func (e *StorageEngine) TreeGetChildren(cid cidSDK.ID, treeID string, nodeID pilorama.Node) ([]uint64, error) {
var err error
var nodes []uint64
for _, sh := range e.sortShardsByWeight(cid) {
nodes, err = sh.TreeGetChildren(cid, treeID, nodeID)
if err != nil {
continue
}
return nodes, nil
}
return nil, err
}