| // Copyright 2020 Google LLC |
| // |
| // 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 |
| // |
| // https://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. |
| |
| #ifndef LOCATION_NEARBY_CPP_PLATFORM_IMPL_G3_SCHEDULED_EXECUTOR_H_ |
| #define LOCATION_NEARBY_CPP_PLATFORM_IMPL_G3_SCHEDULED_EXECUTOR_H_ |
| |
| #include <atomic> |
| #include <memory> |
| |
| #include "platform/api/cancelable.h" |
| #include "platform/api/scheduled_executor.h" |
| #include "platform/base/runnable.h" |
| #include "platform/impl/g3/single_thread_executor.h" |
| #include "third_party/absl/time/clock.h" |
| #include "thread/threadpool.h" |
| |
| namespace location { |
| namespace nearby { |
| namespace g3 { |
| |
| // An Executor that reuses a fixed number of threads operating off a shared |
| // unbounded queue. |
| class ScheduledExecutor final : public api::ScheduledExecutor { |
| public: |
| ScheduledExecutor() = default; |
| ~ScheduledExecutor() override { |
| executor_.Shutdown(); |
| } |
| |
| void Execute(Runnable&& runnable) override { |
| executor_.Execute(std::move(runnable)); |
| } |
| std::shared_ptr<api::Cancelable> Schedule(Runnable&& runnable, |
| absl::Duration delay) override; |
| void Shutdown() override { executor_.Shutdown(); } |
| |
| int GetTid(int index) const override { |
| return executor_.GetTid(index); |
| } |
| private: |
| SingleThreadExecutor executor_; |
| }; |
| |
| } // namespace g3 |
| } // namespace nearby |
| } // namespace location |
| |
| #endif // LOCATION_NEARBY_CPP_PLATFORM_IMPL_G3_SCHEDULED_EXECUTOR_H_ |