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781 B

package db
import "fmt"
//----------------------------------------
// Main entry
const (
LevelDBBackendStr = "leveldb" // legacy, defaults to goleveldb unless +gcc
CLevelDBBackendStr = "cleveldb"
GoLevelDBBackendStr = "goleveldb"
MemDBBackendStr = "memdb"
FSDBBackendStr = "fsdb" // using the filesystem naively
)
type dbCreator func(name string, dir string) (DB, error)
var backends = map[string]dbCreator{}
func registerDBCreator(backend string, creator dbCreator, force bool) {
_, ok := backends[backend]
if !force && ok {
return
}
backends[backend] = creator
}
func NewDB(name string, backend string, dir string) DB {
db, err := backends[backend](name, dir)
if err != nil {
panic(fmt.Sprintf("Error initializing DB: %v", err))
}
return db
}