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https://github.com/kidfromjupiter/nearby.git
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44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
// Copyright 2022 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_PUBLIC_TASK_RUNNER_H_
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#define PLATFORM_PUBLIC_TASK_RUNNER_H_
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#include "absl/functional/any_invocable.h"
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#include "absl/time/time.h"
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namespace nearby {
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// Task runner is an implementation to run tasks immediately or with a delay.
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// The current implementation does not allow running nested tasks.
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class TaskRunner {
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public:
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virtual ~TaskRunner() = default;
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// Posts a task to task runner. The task runs immediately or not depends on
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// the implementation of class. If the implementation supports multiple
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// threads, posted tasks could run concurrently.
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virtual bool PostTask(absl::AnyInvocable<void()> task) = 0;
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// Posts a task to run with delay. Multiple tasks can be scheduled. Tasks will
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// execute in the order of their delay expiring, not in the order they were
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// posted.
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virtual bool PostDelayedTask(absl::Duration delay,
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absl::AnyInvocable<void()> task) = 0;
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};
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} // namespace nearby
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#endif // PLATFORM_PUBLIC_TASK_RUNNER_H_
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