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This commit is contained in:
Jae Kwon 2014-06-05 18:03:02 -07:00
parent 805e1f51dd
commit d68f7a2262
2 changed files with 30 additions and 30 deletions
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46
db/level_db.go
View File

@ -1,54 +1,54 @@
package db
import (
"fmt"
"github.com/syndtr/goleveldb/leveldb"
"path"
"fmt"
"github.com/syndtr/goleveldb/leveldb"
"path"
)
type LevelDB struct {
db *leveldb.DB
db *leveldb.DB
}
func NewLevelDB(name string) (*LevelDB, error) {
dbPath := path.Join(name)
db, err := leveldb.OpenFile(dbPath, nil)
if err != nil {
return nil, err
}
database := &LevelDB{db: db}
return database, nil
dbPath := path.Join(name)
db, err := leveldb.OpenFile(dbPath, nil)
if err != nil {
return nil, err
}
database := &LevelDB{db: db}
return database, nil
}
func (db *LevelDB) Put(key []byte, value []byte) {
err := db.db.Put(key, value, nil)
if err != nil { panic(err) }
err := db.db.Put(key, value, nil)
if err != nil { panic(err) }
}
func (db *LevelDB) Get(key []byte) ([]byte) {
res, err := db.db.Get(key, nil)
res, err := db.db.Get(key, nil)
if err != nil { panic(err) }
return res
}
func (db *LevelDB) Delete(key []byte) {
err := db.db.Delete(key, nil)
err := db.db.Delete(key, nil)
if err != nil { panic(err) }
}
func (db *LevelDB) Db() *leveldb.DB {
return db.db
return db.db
}
func (db *LevelDB) Close() {
db.db.Close()
db.db.Close()
}
func (db *LevelDB) Print() {
iter := db.db.NewIterator(nil, nil)
for iter.Next() {
key := iter.Key()
value := iter.Value()
fmt.Printf("[%x]:\t[%x]", key, value)
}
iter := db.db.NewIterator(nil, nil)
for iter.Next() {
key := iter.Key()
value := iter.Value()
fmt.Printf("[%x]:\t[%x]", key, value)
}
}

14
db/mem_db.go
View File

@ -1,7 +1,7 @@
package db
import (
"fmt"
"fmt"
)
type MemDB struct {
@ -9,8 +9,8 @@ type MemDB struct {
}
func NewMemDB() (*MemDB) {
database := &MemDB{db:make(map[string][]byte)}
return database
database := &MemDB{db:make(map[string][]byte)}
return database
}
func (db *MemDB) Put(key []byte, value []byte) {
@ -22,11 +22,11 @@ func (db *MemDB) Get(key []byte) ([]byte) {
}
func (db *MemDB) Delete(key []byte) {
delete(db.db, string(key))
delete(db.db, string(key))
}
func (db *MemDB) Print() {
for key, value := range db.db {
fmt.Printf("[%x]:\t[%x]", []byte(key), value)
}
for key, value := range db.db {
fmt.Printf("[%x]:\t[%x]", []byte(key), value)
}
}