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" addressSDK "github.com/nspcc-dev/neofs-sdk-go/object/address" ) // SelectPrm groups the parameters of Select operation. type SelectPrm struct { cid *cid.ID filters object.SearchFilters } // SelectRes groups resulting values of Select operation. type SelectRes struct { addrList []*addressSDK.Address } // WithContainerID is a Select option to set the container id to search in. func (p *SelectPrm) WithContainerID(cid *cid.ID) *SelectPrm { if p != nil { p.cid = cid } return p } // WithFilters is a Select option to set the object filters. func (p *SelectPrm) WithFilters(fs object.SearchFilters) *SelectPrm { if p != nil { p.filters = fs } return p } // AddressList returns list of addresses of the selected objects. func (r *SelectRes) AddressList() []*addressSDK.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) { addrList, err := meta.Select(s.metaBase, prm.cid, prm.filters) if err != nil { return nil, fmt.Errorf("could not select objects from metabase: %w", err) } return &SelectRes{ addrList: addrList, }, nil }