lomiri-location-service  ..
An aggregating location service providing positioning and geocoding capabilities to applications.
clock.h
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1 /*
2  * Copyright © 2012-2013 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Thomas Voß <thomas.voss@canonical.com>
17  */
18 #ifndef LOCATION_SERVICE_COM_LOMIRI_LOCATION_CLOCK_H_
19 #define LOCATION_SERVICE_COM_LOMIRI_LOCATION_CLOCK_H_
20 
21 #include <chrono>
22 
23 namespace com
24 {
25 namespace lomiri
26 {
27 namespace location
28 {
32 struct Clock
33 {
35  typedef std::chrono::high_resolution_clock Type;
36 
40  typedef std::chrono::high_resolution_clock::duration Duration;
41 
45  typedef std::chrono::high_resolution_clock::time_point Timestamp;
46 
51  static inline Timestamp now()
52  {
53  return std::chrono::high_resolution_clock::now();
54  }
55 
60  static inline Timestamp beginning_of_time()
61  {
62  return std::chrono::high_resolution_clock::time_point::min();
63  }
64 };
65 }
66 }
67 }
68 
69 #endif // LOCATION_SERVICE_COM_LOMIRI_LOCATION_CLOCK_H_
com::lomiri::location::Clock::now
static Timestamp now()
Samples a timestamp from the clock.
Definition: clock.h:51
com::lomiri::location::Clock::Timestamp
std::chrono::high_resolution_clock::time_point Timestamp
Timestamp type of the location service clock.
Definition: clock.h:45
com::lomiri::location::Clock
Defines the timebase of the location service.
Definition: clock.h:32
com::lomiri::location::Clock::Duration
std::chrono::high_resolution_clock::duration Duration
Duration type of the location service clock.
Definition: clock.h:40
com
Definition: accuracy.h:23
com::lomiri::location::Clock::Type
std::chrono::high_resolution_clock Type
The underlying clock we are assuming for all time-stamping purposes.
Definition: clock.h:35
com::lomiri::location::Clock::beginning_of_time
static Timestamp beginning_of_time()
Samples a timestamp from the clock.
Definition: clock.h:60