kv_storage

type Factory interface {
	// Create new storage
	New(name string) (Lifecycle, error)

	// Close all storages which created thru this factory.
	Close()
}

type Lifecycle interface {
	Storage

	// Open KVS storage. Returns ErrorStorageLocked if the storage
	// used by the another process.
	Open(path string) error

	// Update logger
	SetLogger(logger esl.Logger)

	// KVS path
	Path() string

	// Delete this KVS
	Delete() error
}

type Storage interface {
	// Close KVS storage
	Close()

	// Read only transaction
	View(f func(kvs kv_kvs.Kvs) error) error

	// Read-write transaction
	Update(f func(kvs kv_kvs.Kvs) error) error

	// Use direct operation
	Kvs() kv_kvs.Kvs
}