seba-365 - implemented dep
Change-Id: Ia6226d50e7615935a0c8876809a687427ff88c22
diff --git a/vendor/github.com/mongodb/mongo-go-driver/x/mongo/driver/session/cluster_clock.go b/vendor/github.com/mongodb/mongo-go-driver/x/mongo/driver/session/cluster_clock.go
new file mode 100644
index 0000000..85376bf
--- /dev/null
+++ b/vendor/github.com/mongodb/mongo-go-driver/x/mongo/driver/session/cluster_clock.go
@@ -0,0 +1,36 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// 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
+
+package session
+
+import (
+ "sync"
+
+ "github.com/mongodb/mongo-go-driver/bson"
+)
+
+// ClusterClock represents a logical clock for keeping track of cluster time.
+type ClusterClock struct {
+ clusterTime bson.Raw
+ lock sync.Mutex
+}
+
+// GetClusterTime returns the cluster's current time.
+func (cc *ClusterClock) GetClusterTime() bson.Raw {
+ var ct bson.Raw
+ cc.lock.Lock()
+ ct = cc.clusterTime
+ cc.lock.Unlock()
+
+ return ct
+}
+
+// AdvanceClusterTime updates the cluster's current time.
+func (cc *ClusterClock) AdvanceClusterTime(clusterTime bson.Raw) {
+ cc.lock.Lock()
+ cc.clusterTime = MaxClusterTime(cc.clusterTime, clusterTime)
+ cc.lock.Unlock()
+}