package shard import ( "fmt" meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase" cid "github.com/nspcc-dev/neofs-sdk-go/container/id" "github.com/nspcc-dev/neofs-sdk-go/object" oid "github.com/nspcc-dev/neofs-sdk-go/object/id" ) // SelectPrm groups the parameters of Select operation. type SelectPrm struct { cnr cid.ID filters object.SearchFilters } // SelectRes groups the resulting values of Select operation. type SelectRes struct { addrList []oid.Address } // WithContainerID is a Select option to set the container id to search in. func (p *SelectPrm) WithContainerID(cnr cid.ID) { if p != nil { p.cnr = cnr } } // WithFilters is a Select option to set the object filters. func (p *SelectPrm) WithFilters(fs object.SearchFilters) { if p != nil { p.filters = fs } } // AddressList returns list of addresses of the selected objects. func (r SelectRes) AddressList() []oid.Address { return r.addrList } // Select selects the objects from shard that match select parameters. // // Returns any error encountered that // did not allow to completely select the objects. func (s *Shard) Select(prm SelectPrm) (SelectRes, error) { var selectPrm meta.SelectPrm selectPrm.SetFilters(prm.filters) selectPrm.SetContainerID(prm.cnr) mRes, err := s.metaBase.Select(selectPrm) if err != nil { return SelectRes{}, fmt.Errorf("could not select objects from metabase: %w", err) } return SelectRes{ addrList: mRes.AddressList(), }, nil }