60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package shard
|
|
|
|
import (
|
|
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
|
|
"github.com/nspcc-dev/neofs-node/pkg/core/object"
|
|
meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
|
|
)
|
|
|
|
// HeadPrm groups the parameters of Head operation.
|
|
type HeadPrm struct {
|
|
addr *objectSDK.Address
|
|
raw bool
|
|
}
|
|
|
|
// HeadRes groups resulting values of Head operation.
|
|
type HeadRes struct {
|
|
obj *object.Object
|
|
}
|
|
|
|
// WithAddress is a Head option to set the address of the requested object.
|
|
//
|
|
// Option is required.
|
|
func (p *HeadPrm) WithAddress(addr *objectSDK.Address) *HeadPrm {
|
|
if p != nil {
|
|
p.addr = addr
|
|
}
|
|
|
|
return p
|
|
}
|
|
|
|
// WithRaw is a Head option to set raw flag value. If flag is unset, then Head
|
|
// returns header of virtual object, otherwise it returns SplitInfo of virtual
|
|
// object.
|
|
func (p *HeadPrm) WithRaw(raw bool) *HeadPrm {
|
|
if p != nil {
|
|
p.raw = raw
|
|
}
|
|
|
|
return p
|
|
}
|
|
|
|
// Object returns the requested object header.
|
|
func (r *HeadRes) Object() *object.Object {
|
|
return r.obj
|
|
}
|
|
|
|
// Head reads header of the object from the shard.
|
|
//
|
|
// Returns any error encountered.
|
|
func (s *Shard) Head(prm *HeadPrm) (*HeadRes, error) {
|
|
headParams := new(meta.GetPrm).
|
|
WithAddress(prm.addr).
|
|
WithRaw(prm.raw)
|
|
|
|
head, err := s.metaBase.Get(headParams)
|
|
|
|
return &HeadRes{
|
|
obj: head.Header(),
|
|
}, err
|
|
}
|