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package db
import (
"path"
. "github.com/tendermint/tendermint/common"
. "github.com/tendermint/tendermint/config"
)
type DB interface {
Get([]byte) []byte
Set([]byte, []byte)
SetSync([]byte, []byte)
Delete([]byte)
DeleteSync([]byte)
}
//-----------------------------------------------------------------------------
// Database types
const DBBackendMemDB = "memdb"
const DBBackendLevelDB = "leveldb"
var dbs = NewCMap()
func GetDB(name string) DB {
db := dbs.Get(name)
if db != nil {
return db.(DB)
}
switch Config.DB.Backend {
case DBBackendMemDB:
db := NewMemDB()
dbs.Set(name, db)
return db
case DBBackendLevelDB:
db, err := NewLevelDB(path.Join(Config.DB.Dir, name+".db"))
if err != nil {
panic(err)
}
dbs.Set(name, db)
return db
default:
panic("Unknown DB backend")
}
}