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[#227] transformer: Do not inherit attribute in generated objects

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In previous implementation child objects inherited parent attributes after
split-transformation, which was redundant. From now attributes are not
inherited.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2020-12-02 11:29:51 +03:00 committed by Alex Vanin
parent 5470d94416
commit b8e8e1e80d
1 changed files with 26 additions and 7 deletions
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33
pkg/services/object_manager/transformer/transformer.go
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@ -29,6 +29,8 @@ type payloadSizeLimiter struct {
chunkWriter io.Writer
splitID *objectSDK.SplitID
parAttrs []*objectSDK.Attribute
}
type payloadChecksumHasher struct {
@ -78,10 +80,7 @@ func (s *payloadSizeLimiter) initialize() {
if ln := len(s.previous); ln > 0 {
// initialize parent object once (after 1st object)
if ln == 1 {
s.parent = s.current
s.current = fromObject(s.parent)
s.parent.ResetRelations()
s.parentHashers = s.currentHashers
s.detachParent()
}
// set previous object to the last previous identifier
@ -228,9 +227,7 @@ func (s *payloadSizeLimiter) writeChunk(chunk []byte) error {
// statement is true if the previous write of bytes reached exactly the boundary.
if s.written > 0 && s.written%s.maxSize == 0 {
if s.written == s.maxSize {
// initialize split header with split ID on first object in chain
s.current.InitRelations()
s.current.SetSplitID(s.splitID)
s.prepareFirstChild()
}
// we need to release current object
@ -267,3 +264,25 @@ func (s *payloadSizeLimiter) writeChunk(chunk []byte) error {
return nil
}
func (s *payloadSizeLimiter) prepareFirstChild() {
// initialize split header with split ID on first object in chain
s.current.InitRelations()
s.current.SetSplitID(s.splitID)
// cut source attributes
s.parAttrs = s.current.Attributes()
s.current.SetAttributes()
// attributes will be added to parent in detachParent
}
func (s *payloadSizeLimiter) detachParent() {
s.parent = s.current
s.current = fromObject(s.parent)
s.parent.ResetRelations()
s.parentHashers = s.currentHashers
// return source attributes
s.parent.SetAttributes(s.parAttrs...)
}