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 IntroduceInterfaces<BaseObject, IClock> { 27 META_OBJECT(SystemClock, ClassId::SystemClock, IntroduceInterfaces) 28 public: GetTime() const29 TimeSpan GetTime() const override 30 { 31 return TimeSpan::Microseconds(std::chrono::duration_cast<std::chrono::microseconds>( 32 std::chrono::high_resolution_clock::now().time_since_epoch()) 33 .count()); 34 }; 35 }; 36 GetSystemClockFactory()37IObjectFactory::Ptr GetSystemClockFactory() 38 { 39 return SystemClock::GetFactory(); 40 } 41 42 META_END_NAMESPACE() 43