80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
package db
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import (
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"fmt"
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"github.com/akrylysov/pogreb"
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"path"
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)
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type pogrebTree struct {
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id string
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db *pogreb.DB
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}
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func (p *pogrebTree) Id() string {
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return p.id
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}
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func (p *pogrebTree) UpdateHead(head string) (err error) {
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return p.db.Put([]byte(fmt.Sprintf("t/%s/heads", p.id)), []byte(head))
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}
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func (p *pogrebTree) AddChange(key string, value []byte) (err error) {
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return p.db.Put([]byte(fmt.Sprintf("t/%s/%s", p.id, key)), value)
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}
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type pogrebSpace struct {
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id string
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db *pogreb.DB
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}
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func (p *pogrebSpace) Id() string {
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return p.id
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}
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func (p *pogrebSpace) CreateTree(id string) (Tree, error) {
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return &pogrebTree{
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id: id,
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db: p.db,
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}, nil
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}
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func (p *pogrebSpace) GetTree(id string) (Tree, error) {
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return p.CreateTree(id)
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}
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func (p *pogrebSpace) Close() error {
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return p.db.Close()
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}
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type pogrebSpaceCreator struct {
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rootPath string
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}
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func (p *pogrebSpaceCreator) CreateSpace(id string) (Space, error) {
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dbPath := path.Join(p.rootPath, id)
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db, err := pogreb.Open(dbPath, &pogreb.Options{
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BackgroundSyncInterval: 0,
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BackgroundCompactionInterval: 20000,
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})
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if err != nil {
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return nil, err
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}
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return &pogrebSpace{
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id: id,
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db: db,
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}, nil
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}
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func (p *pogrebSpaceCreator) GetSpace(id string) (Space, error) {
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return p.CreateSpace(id)
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}
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func (p *pogrebSpaceCreator) Close() error {
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return nil
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}
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func NewPogrebSpaceCreator() SpaceCreator {
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return &pogrebSpaceCreator{rootPath: "db.test"}
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}
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