frostfs-node/pkg/services/object/common/writer/local.go

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package writer
import (
"context"
"fmt"
objectCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
)
// ObjectStorage is an object storage interface.
type ObjectStorage interface {
// Put must save passed object
// and return any appeared error.
Put(context.Context, *objectSDK.Object) error
// Delete must delete passed objects
// and return any appeared error.
Delete(ctx context.Context, tombstone oid.Address, toDelete []oid.ID) error
// Lock must lock passed objects
// and return any appeared error.
Lock(ctx context.Context, locker oid.Address, toLock []oid.ID) error
// IsLocked must clarify object's lock status.
IsLocked(context.Context, oid.Address) (bool, error)
}
type LocalTarget struct {
Storage ObjectStorage
}
func (t LocalTarget) WriteObject(ctx context.Context, obj *objectSDK.Object, meta objectCore.ContentMeta) error {
switch meta.Type() {
case objectSDK.TypeTombstone:
err := t.Storage.Delete(ctx, objectCore.AddressOf(obj), meta.Objects())
if err != nil {
return fmt.Errorf("could not delete objects from tombstone locally: %w", err)
}
case objectSDK.TypeLock:
err := t.Storage.Lock(ctx, objectCore.AddressOf(obj), meta.Objects())
if err != nil {
return fmt.Errorf("could not lock object from lock objects locally: %w", err)
}
default:
// objects that do not change meta storage
}
if err := t.Storage.Put(ctx, obj); err != nil {
return fmt.Errorf("(%T) could not put object to local storage: %w", t, err)
}
return nil
}