[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/mvcc/metrics_txn.go b/vendor/go.etcd.io/etcd/mvcc/metrics_txn.go
new file mode 100644
index 0000000..64b629c
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/mvcc/metrics_txn.go
@@ -0,0 +1,67 @@
+// 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 "go.etcd.io/etcd/lease"
+
+type metricsTxnWrite struct {
+ TxnWrite
+ ranges uint
+ puts uint
+ deletes uint
+}
+
+func newMetricsTxnRead(tr TxnRead) TxnRead {
+ return &metricsTxnWrite{&txnReadWrite{tr}, 0, 0, 0}
+}
+
+func newMetricsTxnWrite(tw TxnWrite) TxnWrite {
+ return &metricsTxnWrite{tw, 0, 0, 0}
+}
+
+func (tw *metricsTxnWrite) Range(key, end []byte, ro RangeOptions) (*RangeResult, error) {
+ tw.ranges++
+ return tw.TxnWrite.Range(key, end, ro)
+}
+
+func (tw *metricsTxnWrite) DeleteRange(key, end []byte) (n, rev int64) {
+ tw.deletes++
+ return tw.TxnWrite.DeleteRange(key, end)
+}
+
+func (tw *metricsTxnWrite) Put(key, value []byte, lease lease.LeaseID) (rev int64) {
+ tw.puts++
+ return tw.TxnWrite.Put(key, value, lease)
+}
+
+func (tw *metricsTxnWrite) End() {
+ defer tw.TxnWrite.End()
+ if sum := tw.ranges + tw.puts + tw.deletes; sum > 1 {
+ txnCounter.Inc()
+ txnCounterDebug.Inc() // TODO: remove in 3.5 release
+ }
+
+ ranges := float64(tw.ranges)
+ rangeCounter.Add(ranges)
+ rangeCounterDebug.Add(ranges) // TODO: remove in 3.5 release
+
+ puts := float64(tw.puts)
+ putCounter.Add(puts)
+ putCounterDebug.Add(puts) // TODO: remove in 3.5 release
+
+ deletes := float64(tw.deletes)
+ deleteCounter.Add(deletes)
+ deleteCounterDebug.Add(deletes) // TODO: remove in 3.5 release
+}