1    	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2    	/*                                                                           */
3    	/*                  This file is part of the class library                   */
4    	/*       SoPlex --- the Sequential object-oriented simPlex.                  */
5    	/*                                                                           */
6    	/*  Copyright (c) 1996-2023 Zuse Institute Berlin (ZIB)                      */
7    	/*                                                                           */
8    	/*  Licensed under the Apache License, Version 2.0 (the "License");          */
9    	/*  you may not use this file except in compliance with the License.         */
10   	/*  You may obtain a copy of the License at                                  */
11   	/*                                                                           */
12   	/*      http://www.apache.org/licenses/LICENSE-2.0                           */
13   	/*                                                                           */
14   	/*  Unless required by applicable law or agreed to in writing, software      */
15   	/*  distributed under the License is distributed on an "AS IS" BASIS,        */
16   	/*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17   	/*  See the License for the specific language governing permissions and      */
18   	/*  limitations under the License.                                           */
19   	/*                                                                           */
20   	/*  You should have received a copy of the Apache-2.0 license                */
21   	/*  along with SoPlex; see the file LICENSE. If not email to soplex@zib.de.  */
22   	/*                                                                           */
23   	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24   	
25   	/**@file  timerfactory.h
26   	 * @brief TimerFactory class.
27   	 */
28   	
29   	#ifndef _TIMERFACTORY_H_
30   	#define _TIMERFACTORY_H_
31   	
32   	#include "soplex/spxdefines.h"
33   	#include "soplex/spxalloc.h"
34   	#include "soplex/timer.h"
35   	#include "soplex/notimer.h"
36   	#include "soplex/usertimer.h"
37   	#include "soplex/wallclocktimer.h"
38   	
39   	namespace soplex
40   	{
41   	/**@class   TimerFactory
42   	   @ingroup Elementary
43   	
44   	   @brief Class to create new timers and to switch types of exiting ones
45   	   */
46   	
47   	class TimerFactory
48   	{
49   	
50   	public:
51   	
52   	   /// create timers and allocate memory for them
53   	   static Timer* createTimer(Timer::TYPE ttype)
54   	   {
55   	      Timer* timer = 0;
56   	
57   	      switch(ttype)
58   	      {
59   	      case Timer::OFF:
60   	         spx_alloc(timer, sizeof(NoTimer));
61   	         timer = new(timer) NoTimer();
62   	         break;
63   	
64   	      case Timer::USER_TIME:
65   	         spx_alloc(timer, sizeof(UserTimer));
66   	         timer = new(timer) UserTimer();
67   	         break;
68   	
69   	      case Timer::WALLCLOCK_TIME:
70   	         spx_alloc(timer, sizeof(WallclockTimer));
71   	         timer = new(timer) WallclockTimer();
72   	         break;
73   	
74   	      default:
75   	         SPX_MSG_ERROR(std::cerr << "wrong timer specified" << std::endl;)
76   	      }
77   	
78   	      return timer;
79   	   }
80   	
81   	   static Timer* switchTimer(Timer* timer, Timer::TYPE ttype)
82   	   {
83   	      // check whether the type is different from the current one
84   	      if(ttype != timer->type())
85   	      {
86   	         // @todo transfer the old times
87   	         spx_free(timer);
88   	         timer = createTimer(ttype);
89   	      }
90   	
91   	      return timer;
92   	   }
93   	
94   	};
95   	} // namespace soplex
96   	#endif // _TIMERFACTORY_H_
97