blob: d7a34e7522c8b4015086914428af91b0f76cc71c [file] [log] [blame]
khenaidoobf6e7bb2018-08-14 22:27:29 -04001/*
2 * Copyright 2018-present Open Networking Foundation
3
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7
8 * http://www.apache.org/licenses/LICENSE-2.0
9
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040016package model
17
Stephane Barbarie8c48b5c2018-10-02 09:45:17 -040018import (
Stephane Barbarieef6650d2019-07-18 12:15:09 -040019 "context"
Scott Baker807addd2019-10-24 15:16:21 -070020 "github.com/opencord/voltha-lib-go/v2/pkg/log"
Stephane Barbarie8c48b5c2018-10-02 09:45:17 -040021)
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040022
23type Transaction struct {
24 proxy *Proxy
25 txid string
26}
27
28func NewTransaction(proxy *Proxy, txid string) *Transaction {
29 tx := &Transaction{
30 proxy: proxy,
31 txid: txid,
32 }
33 return tx
34}
Stephane Barbarieef6650d2019-07-18 12:15:09 -040035func (t *Transaction) Get(ctx context.Context, path string, depth int, deep bool) interface{} {
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040036 if t.txid == "" {
Stephane Barbarie8c48b5c2018-10-02 09:45:17 -040037 log.Errorf("closed transaction")
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040038 return nil
39 }
40 // TODO: need to review the return values at the different layers!!!!!
Stephane Barbarieef6650d2019-07-18 12:15:09 -040041 return t.proxy.Get(ctx, path, depth, deep, t.txid)
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040042}
Stephane Barbarieef6650d2019-07-18 12:15:09 -040043func (t *Transaction) Update(ctx context.Context, path string, data interface{}, strict bool) interface{} {
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040044 if t.txid == "" {
Stephane Barbarie8c48b5c2018-10-02 09:45:17 -040045 log.Errorf("closed transaction")
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040046 return nil
47 }
Stephane Barbarieef6650d2019-07-18 12:15:09 -040048 return t.proxy.Update(ctx, path, data, strict, t.txid)
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040049}
Stephane Barbarieef6650d2019-07-18 12:15:09 -040050func (t *Transaction) Add(ctx context.Context, path string, data interface{}) interface{} {
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040051 if t.txid == "" {
Stephane Barbarie8c48b5c2018-10-02 09:45:17 -040052 log.Errorf("closed transaction")
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040053 return nil
54 }
Stephane Barbarieef6650d2019-07-18 12:15:09 -040055 return t.proxy.Add(ctx, path, data, t.txid)
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040056}
Stephane Barbarieef6650d2019-07-18 12:15:09 -040057func (t *Transaction) Remove(ctx context.Context, path string) interface{} {
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040058 if t.txid == "" {
Stephane Barbarie8c48b5c2018-10-02 09:45:17 -040059 log.Errorf("closed transaction")
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040060 return nil
61 }
Stephane Barbarieef6650d2019-07-18 12:15:09 -040062 return t.proxy.Remove(ctx, path, t.txid)
Stephane Barbarie4a2564d2018-07-26 11:02:58 -040063}
64func (t *Transaction) Cancel() {
65 t.proxy.cancelTransaction(t.txid)
66 t.txid = ""
67}
68func (t *Transaction) Commit() {
69 t.proxy.commitTransaction(t.txid)
70 t.txid = ""
71}