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/*
* Copyright 2021 The Android Open Source Project
*
* 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
*
* http://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.
*/
#pragma once
#include <chrono>
namespace android {
// Abstract interface for timekeeping which can be injected for unit tests.
class Clock {
public:
Clock() = default;
virtual ~Clock() = default;
// Returns the current time
virtual std::chrono::steady_clock::time_point now() const = 0;
};
class SteadyClock : public Clock {
public:
virtual ~SteadyClock() = default;
std::chrono::steady_clock::time_point now() const override {
return std::chrono::steady_clock::now();
}
};
} // namespace android
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