forked from TrueCloudLab/frostfs-node
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
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) {
|
|
addrList, err := meta.Select(s.metaBase, prm.cnr, prm.filters)
|
|
if err != nil {
|
|
return SelectRes{}, fmt.Errorf("could not select objects from metabase: %w", err)
|
|
}
|
|
|
|
return SelectRes{
|
|
addrList: addrList,
|
|
}, nil
|
|
}
|