added new files to build system
[u/mrichter/AliRoot.git] / TRD / AliTRDCommonParam.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
5  * Contributors are mentioned in the code where appropriate.              *
6  *                                                                        *
7  * Permission to use, copy, modify and distribute this software and its   *
8  * documentation strictly for non-commercial purposes is hereby granted   *
9  * without fee, provided that the above copyright notice appears in all   *
10  * copies and that both the copyright notice and this permission notice   *
11  * appear in the supporting documentation. The authors make no claims     *
12  * about the suitability of this software for any purpose. It is          *
13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15
16 /* $Id$ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 //                                                                           //
20 // Class containing constant common parameters                               //
21 //                                                                           //
22 // Request an instance with AliTRDCommonParam::Instance()                    //
23 // Then request the needed values                                            //
24 //                                                                           //
25 ///////////////////////////////////////////////////////////////////////////////
26
27 #include <TObjArray.h>
28
29 #include "AliTracker.h"
30 #include "AliRun.h"
31
32 #include "AliTRDCommonParam.h"
33
34 ClassImp(AliTRDCommonParam)
35
36 AliTRDCommonParam *AliTRDCommonParam::fgInstance = 0;
37 Bool_t AliTRDCommonParam::fgTerminated = kFALSE;
38
39 //_ singleton implementation __________________________________________________
40 AliTRDCommonParam* AliTRDCommonParam::Instance()
41 {
42   //
43   // Singleton implementation
44   // Returns an instance of this class, it is created if neccessary
45   // 
46   
47   if (fgTerminated != kFALSE) {
48     return 0;
49   }
50
51   if (fgInstance == 0) {
52     fgInstance = new AliTRDCommonParam();
53   }  
54
55   return fgInstance;
56
57 }
58
59 //_____________________________________________________________________________
60 void AliTRDCommonParam::Terminate()
61 {
62   //
63   // Singleton implementation
64   // Deletes the instance of this class and sets the terminated flag,
65   // instances cannot be requested anymore
66   // This function can be called several times.
67   //
68   
69   fgTerminated = kTRUE;
70   
71   if (fgInstance != 0) {
72     delete fgInstance;
73     fgInstance = 0;
74   }
75
76 }
77
78 //_____________________________________________________________________________
79 AliTRDCommonParam::AliTRDCommonParam()
80   :TObject()
81   ,fExBOn(kFALSE)
82   ,fSamplingFrequency(0.0)
83 {
84   //
85   // Default constructor
86   //
87   
88   Init();
89
90 }
91
92 //_____________________________________________________________________________
93 void AliTRDCommonParam::Init()
94 {
95   //
96   // Initialization
97   //
98   
99   // E x B effects
100   fExBOn             = kTRUE;
101
102   // Sampling Frequency in MHz
103   fSamplingFrequency = 10.0;
104
105 }
106
107 //_____________________________________________________________________________
108 AliTRDCommonParam::~AliTRDCommonParam() 
109 {
110   //
111   // Destructor
112   //
113   
114 }
115
116 //_____________________________________________________________________________
117 AliTRDCommonParam::AliTRDCommonParam(const AliTRDCommonParam &p)
118   :TObject(p)
119   ,fExBOn(p.fExBOn)
120   ,fSamplingFrequency(p.fSamplingFrequency)
121 {
122   //
123   // Copy constructor
124   //
125
126 }
127
128 //_____________________________________________________________________________
129 AliTRDCommonParam &AliTRDCommonParam::operator=(const AliTRDCommonParam &p)
130 {
131   //
132   // Assignment operator
133   //
134
135   if (this != &p) {
136     ((AliTRDCommonParam &) p).Copy(*this);
137   }
138
139   return *this;
140
141 }
142
143 //_____________________________________________________________________________
144 void AliTRDCommonParam::Copy(TObject &p) const
145 {
146   //
147   // Copy function
148   //
149   
150   AliTRDCommonParam *target = dynamic_cast<AliTRDCommonParam*> (&p);
151   if (!target) {
152     return;
153   }  
154
155   target->fExBOn             = fExBOn;
156   target->fSamplingFrequency = fSamplingFrequency;
157
158 }