1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include <chrono>
17 
18 #include <meta/base/namespace.h>
19 #include <meta/interface/builtin_objects.h>
20 #include <meta/interface/intf_clock.h>
21 
22 #include "base_object.h"
23 
24 META_BEGIN_NAMESPACE()
25 
26 class SystemClock : public Internal::BaseObjectFwd<SystemClock, ClassId::SystemClock, IClock> {
27 public:
GetTime() const28     TimeSpan GetTime() const override
29     {
30         return TimeSpan::Microseconds(std::chrono::duration_cast<std::chrono::microseconds>(
31             std::chrono::high_resolution_clock::now().time_since_epoch())
32                                           .count());
33     };
34 };
35 
GetSystemClockFactory()36 IObjectFactory::Ptr GetSystemClockFactory()
37 {
38     return SystemClock::GetFactory();
39 }
40 
41 META_END_NAMESPACE()
42