[VOL-4291] Rw-core updates for gRPC migration
Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/coreos/etcd/mvcc/kv_view.go b/vendor/github.com/coreos/etcd/mvcc/kv_view.go
new file mode 100644
index 0000000..f40ba8e
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/mvcc/kv_view.go
@@ -0,0 +1,53 @@
+// Copyright 2017 The etcd Authors
+//
+// 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 mvcc
+
+import (
+ "github.com/coreos/etcd/lease"
+)
+
+type readView struct{ kv KV }
+
+func (rv *readView) FirstRev() int64 {
+ tr := rv.kv.Read()
+ defer tr.End()
+ return tr.FirstRev()
+}
+
+func (rv *readView) Rev() int64 {
+ tr := rv.kv.Read()
+ defer tr.End()
+ return tr.Rev()
+}
+
+func (rv *readView) Range(key, end []byte, ro RangeOptions) (r *RangeResult, err error) {
+ tr := rv.kv.Read()
+ defer tr.End()
+ return tr.Range(key, end, ro)
+}
+
+type writeView struct{ kv KV }
+
+func (wv *writeView) DeleteRange(key, end []byte) (n, rev int64) {
+ tw := wv.kv.Write()
+ defer tw.End()
+ return tw.DeleteRange(key, end)
+}
+
+func (wv *writeView) Put(key, value []byte, lease lease.LeaseID) (rev int64) {
+ tw := wv.kv.Write()
+ defer tw.End()
+ return tw.Put(key, value, lease)
+}