39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
|
package microkv
|
||
|
|
|
||
|
|
import (
|
||
|
|
"code.uint32.ru/tiny/objstore/internal/filesystem"
|
||
|
|
"code.uint32.ru/tiny/objstore/internal/natsobj"
|
||
|
|
)
|
||
|
|
|
||
|
|
var (
|
||
|
|
_ Storage = (*natsobj.Storage)(nil)
|
||
|
|
_ Storage = (*filesystem.Storage)(nil)
|
||
|
|
)
|
||
|
|
|
||
|
|
// Storage is a very basic object store.
|
||
|
|
type Storage interface {
|
||
|
|
// Save puts file with name 'key' into the store. If a file with such name
|
||
|
|
// already exists it gets overwritten.
|
||
|
|
Save(key string, data []byte) error
|
||
|
|
// Load returns contents of file named 'key'.
|
||
|
|
Load(key string) ([]byte, error)
|
||
|
|
// Delete removes file named 'key' from the store.
|
||
|
|
// If such file does not exist Delete returns nil.
|
||
|
|
Delete(key string) error
|
||
|
|
// Close must be called when you're done working with Storage.
|
||
|
|
Close() error
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewNats connects to NATS messaging system and tries to create
|
||
|
|
// a new object storage with name 'bucket'. The returned Storage
|
||
|
|
// uses the created bucket as underlying physical store.
|
||
|
|
func NewNats(bucket string, url string) (Storage, error) {
|
||
|
|
return natsobj.Open(bucket, url)
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewFS established a key/value within the directory 'path'
|
||
|
|
// and uses is as underlying physical store.
|
||
|
|
func NewFS(path string) (Storage, error) {
|
||
|
|
return filesystem.Open(path)
|
||
|
|
}
|