VOL-2017 voltha-lib moved from voltha-go;
release version 2.2.1
Based on voltha-go commit 5259f8e52b3e3f5c7ad422a4b0e506e1d07f6b36
Change-Id: I8bbecdf456e420714a4016120eafc0d237c80565
diff --git a/pkg/db/model/transaction.go b/pkg/db/model/transaction.go
new file mode 100644
index 0000000..e71a5a0
--- /dev/null
+++ b/pkg/db/model/transaction.go
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package model
+
+import (
+ "context"
+ "github.com/opencord/voltha-lib-go/pkg/common/log"
+)
+
+type Transaction struct {
+ proxy *Proxy
+ txid string
+}
+
+func NewTransaction(proxy *Proxy, txid string) *Transaction {
+ tx := &Transaction{
+ proxy: proxy,
+ txid: txid,
+ }
+ return tx
+}
+func (t *Transaction) Get(ctx context.Context, path string, depth int, deep bool) interface{} {
+ if t.txid == "" {
+ log.Errorf("closed transaction")
+ return nil
+ }
+ // TODO: need to review the return values at the different layers!!!!!
+ return t.proxy.Get(ctx, path, depth, deep, t.txid)
+}
+func (t *Transaction) Update(ctx context.Context, path string, data interface{}, strict bool) interface{} {
+ if t.txid == "" {
+ log.Errorf("closed transaction")
+ return nil
+ }
+ return t.proxy.Update(ctx, path, data, strict, t.txid)
+}
+func (t *Transaction) Add(ctx context.Context, path string, data interface{}) interface{} {
+ if t.txid == "" {
+ log.Errorf("closed transaction")
+ return nil
+ }
+ return t.proxy.Add(ctx, path, data, t.txid)
+}
+func (t *Transaction) Remove(ctx context.Context, path string) interface{} {
+ if t.txid == "" {
+ log.Errorf("closed transaction")
+ return nil
+ }
+ return t.proxy.Remove(ctx, path, t.txid)
+}
+func (t *Transaction) Cancel() {
+ t.proxy.cancelTransaction(t.txid)
+ t.txid = ""
+}
+func (t *Transaction) Commit() {
+ t.proxy.commitTransaction(t.txid)
+ t.txid = ""
+}