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