| /** |
| * Copyright 2010 Google Inc. |
| * |
| * 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. |
| */ |
| |
| // Author: jmarantz@google.com (Joshua Marantz) |
| |
| #ifndef NET_INSTAWEB_UTIL_PUBLIC_TIMER_H_ |
| #define NET_INSTAWEB_UTIL_PUBLIC_TIMER_H_ |
| |
| #include "base/basictypes.h" |
| |
| namespace net_instaweb { |
| |
| // Timer interface, made virtual so it can be mocked for tests. |
| class Timer { |
| public: |
| static const int64 kSecondMs; |
| static const int64 kMinuteMs; |
| static const int64 kHourMs; |
| static const int64 kDayMs; |
| static const int64 kWeekMs; |
| static const int64 kMonthMs; |
| static const int64 kYearMs; |
| |
| virtual ~Timer(); |
| |
| // Returns number of milliseconds since 1970. |
| virtual int64 NowMs() const; |
| |
| // Returns number of microseconds since 1970. |
| virtual int64 NowUs() const = 0; |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // NET_INSTAWEB_UTIL_PUBLIC_TIMER_H_ |