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[#1419] pilorama: Create new nodes in path if needed

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Consider a node `{FileName: "dir", Attribute: "xxx"}`. In case we add
a new node by path `["dir", "file.txt"]`, create a new intermediate node
with a single attribute.

`GetByPath` now also considers only nodes with a single attribute while building a path.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-05-23 14:32:24 +03:00 • committed by fyrchik
parent ad48918a97
commit 7703dd5d7f
5 changed files with 58 additions and 16 deletions
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pkg/local_object_storage/pilorama/interface.go
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@ -10,6 +10,7 @@ type Forest interface {
TreeMove(cid cidSDK.ID, treeID string, m *Move) (*LogMove, error)
// TreeAddByPath adds new node in the tree using provided path.
// The path is constructed by descending from the root using the values of the attr in meta.
// Internal nodes in path should have exactly one attribute, otherwise a new node is created.
TreeAddByPath(cid cidSDK.ID, treeID string, attr string, path []string, meta []KeyValue) ([]LogMove, error)
// TreeApply applies replicated operation from another node.
TreeApply(cid cidSDK.ID, treeID string, m *Move) error