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// 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 PLATFORM_IMPL_G3_SCHEDULED_EXECUTOR_H_
#define PLATFORM_IMPL_G3_SCHEDULED_EXECUTOR_H_
#include <atomic>
#include <memory>
#include "absl/time/clock.h"
#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 "nisaba/port/thread_pool.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(); }
private:
SingleThreadExecutor executor_;
};
} // namespace g3
} // namespace nearby
} // namespace location
#endif // PLATFORM_IMPL_G3_SCHEDULED_EXECUTOR_H_