1 // Copyright 2019 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_SPANNER_BACKOFF_POLICY_H
16 #define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_SPANNER_BACKOFF_POLICY_H
17 
18 #include "google/cloud/spanner/version.h"
19 #include "google/cloud/internal/backoff_policy.h"
20 
21 namespace google {
22 namespace cloud {
23 namespace spanner {
24 inline namespace SPANNER_CLIENT_NS {
25 
26 /// The base class for backoff policies.
27 using BackoffPolicy = ::google::cloud::internal::BackoffPolicy;
28 
29 /// A truncated exponential backoff policy with randomized periods.
30 using ExponentialBackoffPolicy =
31     google::cloud::internal::ExponentialBackoffPolicy;
32 
33 }  // namespace SPANNER_CLIENT_NS
34 }  // namespace spanner
35 }  // namespace cloud
36 }  // namespace google
37 
38 #endif  // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_SPANNER_BACKOFF_POLICY_H
39