66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package object
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import (
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"bytes"
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"sort"
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)
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// Here are defined getter functions for objects that contain storage group
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// information.
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type (
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// IDList is a slice of object ids, that can be sorted.
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IDList []ID
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// ZoneInfo provides validation info of storage group.
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ZoneInfo struct {
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Hash
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Size uint64
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}
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// IdentificationInfo provides meta information about storage group.
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IdentificationInfo struct {
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SGID
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CID
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OwnerID
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}
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)
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// Len returns amount of object ids in IDList.
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func (s IDList) Len() int { return len(s) }
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// Less returns byte comparision between IDList[i] and IDList[j].
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func (s IDList) Less(i, j int) bool { return bytes.Compare(s[i].Bytes(), s[j].Bytes()) == -1 }
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// Swap swaps element with i and j index in IDList.
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func (s IDList) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
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// Group returns slice of object ids that are part of a storage group.
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func (m *Object) Group() []ID {
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sgLinks := m.Links(Link_StorageGroup)
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sort.Sort(IDList(sgLinks))
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return sgLinks
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}
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// Zones returns validation zones of storage group.
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func (m *Object) Zones() []ZoneInfo {
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sgInfo, err := m.StorageGroup()
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if err != nil {
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return nil
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}
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return []ZoneInfo{
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{
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Hash: sgInfo.ValidationHash,
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Size: sgInfo.ValidationDataSize,
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},
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}
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}
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// IDInfo returns meta information about storage group.
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func (m *Object) IDInfo() *IdentificationInfo {
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return &IdentificationInfo{
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SGID: m.SystemHeader.ID,
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CID: m.SystemHeader.CID,
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OwnerID: m.SystemHeader.OwnerID,
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}
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}
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