42 lines
913 B
Go
42 lines
913 B
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package dbschema
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import "sort"
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// Snapshots defines a collection of snapshot
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type Snapshots struct {
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List []*Snapshot
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}
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// Snapshot defines a particular snapshot of schema and data.
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type Snapshot struct {
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Version int
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Script string
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*Schema
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*Data
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}
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// Add adds a new snapshot.
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func (snapshots *Snapshots) Add(snap *Snapshot) {
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snapshots.List = append(snapshots.List, snap)
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}
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// FindVersion finds a snapshot with the specified version.
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func (snapshots *Snapshots) FindVersion(version int) (*Snapshot, bool) {
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for _, snap := range snapshots.List {
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if snap.Version == version {
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return snap, true
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}
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}
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return nil, false
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}
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// Sort sorts the snapshots by version
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func (snapshots *Snapshots) Sort() {
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sort.Slice(snapshots.List, func(i, k int) bool {
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return snapshots.List[i].Version < snapshots.List[k].Version
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})
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}
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