590745204c
All parameters and resulting values of all metabase operations are structured in new types. The most popular scenarios for using operations are moved to auxiliary functions. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
44 lines
965 B
Go
44 lines
965 B
Go
package shard
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import (
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
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)
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// HeadPrm groups the parameters of Head operation.
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type HeadPrm struct {
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addr *objectSDK.Address
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}
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// HeadRes groups resulting values of Head operation.
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type HeadRes struct {
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obj *object.Object
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}
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// WithAddress is a Head option to set the address of the requested object.
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//
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// Option is required.
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func (p *HeadPrm) WithAddress(addr *objectSDK.Address) *HeadPrm {
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if p != nil {
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p.addr = addr
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}
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return p
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}
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// Object returns the requested object header.
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func (r *HeadRes) Object() *object.Object {
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return r.obj
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}
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// Head reads header of the object from the shard.
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//
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// Returns any error encountered.
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func (s *Shard) Head(prm *HeadPrm) (*HeadRes, error) {
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head, err := meta.Get(s.metaBase, prm.addr)
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return &HeadRes{
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obj: head,
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}, err
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}
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