storage/db.go

78 lines
1.5 KiB
Go
Executable File

package storage
import (
"fmt"
"strings"
)
type DB interface {
Get(string, ...string) ([]byte, error)
Set(string, []byte, ...string) error
List([]string, ...string) ([]string, error)
Close() error
}
var DefaultNamespace = "namespace"
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 DYNOMITE:
db, err = NewDynomite(params[0], params[1], params[2])
case REDIS:
db, err = NewRedis(params[0], params[1], params[2])
case MAP:
db = NewMap()
err = nil
case BOLT:
db, err = NewBolt(params[0])
case MINIO:
db, err = NewMinio(params[0], params[1], params[2])
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
}
func resolveNamespace(ns []string) string {
namespace := DefaultNamespace
if len(ns) > 0 {
segments := []string{}
for i := range ns {
if ns[i] != "" {
segments = append(segments, ns[i])
}
}
namespace = strings.Join(segments, ".")
}
return namespace
}
func resolveLimits(input []string) []string {
output := []string{"", ""}
if len(input) > 0 {
output[0] = input[0]
} else {
output[0] = " "
}
if len(input) > 1 {
output[1] = input[1]
} else {
output[1] = "}}}}}}}}}}}}}"
}
return output[:]
}