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Timer.hh
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1 /*
2  * Copyright 2011 Nate Koenig
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16 */
17 /* Desc: A timer class
18  * Author: Nate Koenig
19  * Date: 22 Nov 2009
20  */
21 
22 #ifndef TIMER_HH
23 #define TIMER_HH
24 
25 #include "common/Console.hh"
26 #include "common/Time.hh"
27 
28 namespace gazebo
29 {
30  namespace common
31  {
34 
36  class Timer
37  {
39  public: Timer();
40 
42  public: virtual ~Timer();
43 
45  public: void Start();
46 
48  public: Time GetElapsed() const;
49 
51  public: friend std::ostream &operator<<(std::ostream &out,
52  const gazebo::common::Timer &t)
53  {
54  out << t.GetElapsed();
55  return out;
56  }
57 
59  private: Time start;
60  };
62  }
63 }
64 #endif
65 
66