frostfs-node/pkg/local_object_storage/metabase/get.go
Leonard Lyubich 3de8febe57 [#174] Update to latest neofs-api-go changes
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2020-11-17 11:56:00 +03:00

47 lines
868 B
Go

package meta
import (
"errors"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"go.etcd.io/bbolt"
)
var errNotFound = errors.New("object not found")
// Get returns object header for specified address.
func (db *DB) Get(addr *objectSDK.Address) (*object.Object, error) {
var obj *object.Object
if err := db.boltDB.View(func(tx *bbolt.Tx) error {
addrKey := addressKey(addr)
// check if object marked as deleted
if objectRemoved(tx, addrKey) {
return errNotFound
}
primaryBucket := tx.Bucket(primaryBucket)
if primaryBucket == nil {
return errNotFound
}
data := primaryBucket.Get(addrKey)
if data == nil {
return errNotFound
}
var err error
obj = object.New()
err = obj.Unmarshal(data)
return err
}); err != nil {
return nil, err
}
return obj, nil
}