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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_API_SCHEDULED_EXECUTOR_H_
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#define PLATFORM_API_SCHEDULED_EXECUTOR_H_
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#include <memory>
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#include "absl/time/time.h"
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#include "internal/platform/implementation/cancelable.h"
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#include "internal/platform/implementation/executor.h"
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#include "internal/platform/runnable.h"
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namespace nearby {
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namespace api {
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// An Executor that can schedule commands to run after a given delay, or to
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// execute periodically.
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//
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// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ScheduledExecutorService.html
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class ScheduledExecutor : public Executor {
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public:
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~ScheduledExecutor() override = default;
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// Cancelable is kept both in the executor context, and in the caller context.
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// We want Cancelable to live until both caller and executor are done with it.
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// Exclusive ownership model does not work for this case;
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// using std:shared_ptr<> instead if std::unique_ptr<>.
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virtual std::shared_ptr<Cancelable> Schedule(Runnable&& runnable,
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absl::Duration duration) = 0;
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};
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} // namespace api
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} // namespace nearby
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#endif // PLATFORM_API_SCHEDULED_EXECUTOR_H_
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