1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
package db
import (
"path"
. "github.com/tendermint/go-common"
)
type DB interface {
Get([]byte) []byte
Set([]byte, []byte)
SetSync([]byte, []byte)
Delete([]byte)
DeleteSync([]byte)
Close()
// For debugging
Print()
}
//-----------------------------------------------------------------------------
// Database types
const DBBackendMemDB = "memdb"
const DBBackendLevelDB = "leveldb"
func NewDB(name string, backend string, dir string) DB {
switch backend {
case DBBackendMemDB:
db := NewMemDB()
return db
case DBBackendLevelDB:
db, err := NewLevelDB(path.Join(dir, name+".db"))
if err != nil {
PanicCrisis(err)
}
return db
default:
PanicSanity(Fmt("Unknown DB backend: %v", backend))
}
return nil
}
|