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66 lines
2.0 KiB
Objective-C
66 lines
2.0 KiB
Objective-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_IMPL_APPLE_SCHEDULED_EXECUTOR_H_
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#define PLATFORM_IMPL_APPLE_SCHEDULED_EXECUTOR_H_
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#import <Foundation/Foundation.h>
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#include <memory>
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#include "internal/platform/implementation/scheduled_executor.h"
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#include "internal/platform/runnable.h"
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/**
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* The impl class is an Obj-C class so that
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* (a) the dispatch block can strongly retain it, and
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* (b) for ease of declaring an atomic property.
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*/
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@interface GNCOperationQueueImpl : NSObject
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@property(nonatomic) NSOperationQueue* queue;
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@property(atomic) BOOL shuttingDown;
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@end
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namespace nearby {
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namespace apple {
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// Concrete ScheduledExecutor implementation.
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class ScheduledExecutor : public api::ScheduledExecutor {
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public:
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// The max_concurrency = 1 for default constructor.
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ScheduledExecutor();
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explicit ScheduledExecutor(int max_concurrency);
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~ScheduledExecutor() override;
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ScheduledExecutor(const ScheduledExecutor&) = delete;
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ScheduledExecutor& operator=(const ScheduledExecutor&) = delete;
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// api::ScheduledExecutor:
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void Shutdown() override;
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std::shared_ptr<api::Cancelable> Schedule(Runnable&& runnable, absl::Duration duration) override;
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void Execute(Runnable&& runnable) override;
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bool DoSubmit(Runnable&& runnable);
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private:
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void Shutdown(std::int64_t timeout_millis);
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GNCOperationQueueImpl* impl_;
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};
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} // namespace apple
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} // namespace nearby
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#endif // PLATFORM_IMPL_APPLE_SCHEDULED_EXECUTOR_H_
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