Add new

db.go

@@ -1,6 +1,9 @@
 package storage
 
-import "strings"
+import (
+	"fmt"
+	"strings"
+)
 
 type DB interface {
 	Get(string) ([]byte, error)
@@ -53,6 +56,28 @@ func TypeFromString(key string) Type {
 	return Type(-1)
 }
 
-func New(key Type) (DB, error) {
-	return nil, ErrNotImpl
+func New(key Type, params ...string) (db DB, err error) {
+	defer func() {
+		if i := recover(); i != nil {
+			err = fmt.Errorf("panic making %s: %v", key, i)
+		}
+	}()
+	err = ErrNotImpl
+	switch key {
+	case MAP:
+		db = NewMap()
+	case BOLT:
+		db, err = NewBolt(params[0])
+	case CACHE:
+		db, err = NewCache(params...)
+	case LEVELDB:
+		db, err = NewLevelDB(params[0])
+	case MEMCACHE:
+		db, err = NewMemcache(params[0], params[1:]...)
+	case MEMCACHECLUSTER:
+		db, err = NewMemcacheCluster(params[0], params[1:]...)
+	case MONGO:
+		db, err = NewMongo(params[0], params[1:]...)
+	}
+	return
 }