Suppress HC warning (MinJung)
[u/mrichter/AliRoot.git] / HLT / rec / AliHLTMiscImplementation.cxx
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2b545cdd 1// $Id$
2
3//**************************************************************************
4//* This file is property of and copyright by the ALICE HLT Project *
5//* ALICE Experiment at CERN, All rights reserved. *
6//* *
7//* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
8//* for The ALICE HLT Project. *
9//* *
10//* Permission to use, copy, modify and distribute this software and its *
11//* documentation strictly for non-commercial purposes is hereby granted *
12//* without fee, provided that the above copyright notice appears in all *
13//* copies and that both the copyright notice and this permission notice *
14//* appear in the supporting documentation. The authors make no claims *
15//* about the suitability of this software for any purpose. It is *
16//* provided "as is" without express or implied warranty. *
17//**************************************************************************
18
19/// @file AliHLTMisc.cxx
20/// @author Matthias Richter
21/// @date
22/// @brief Miscellaneous methods for the HLT AliRoot integration
23
24#include "AliHLTMiscImplementation.h"
25#include "AliHLTLogging.h"
26#include "AliCDBManager.h"
22d17395 27#include "AliCDBStorage.h"
2b545cdd 28#include "AliCDBEntry.h"
cc484ed9 29#include "AliGRPManager.h"
73305a93 30#include "AliRawReader.h"
a5e775ec 31#include "AliTracker.h"
8cc935e5 32#ifndef HAVE_NOT_ALIESDHLTDECISION
95ea76b5 33#include "AliESDHLTDecision.h"
8cc935e5 34#endif //HAVE_NOT_ALIESDHLTDECISION
cc484ed9 35#include "TGeoGlobalMagField.h"
95ea76b5 36#include "AliHLTGlobalTriggerDecision.h"
2b545cdd 37
38/** ROOT macro for the implementation of ROOT specific class methods */
39ClassImp(AliHLTMiscImplementation);
40
41AliHLTMiscImplementation::AliHLTMiscImplementation()
42{
43}
44
45AliHLTMiscImplementation::~AliHLTMiscImplementation()
46{
47 // see header file for function documentation
48}
49
50int AliHLTMiscImplementation::InitCDB(const char* cdbpath)
51{
52 // see header file for function documentation
53 int iResult=0;
54 AliCDBManager* pCDB = AliCDBManager::Instance();
55 AliHLTLogging log;
56 if (!pCDB) {
57 log.Logging(kHLTLogError, "InitCDB", "CDB handling", "Could not get CDB instance");
58 } else {
59 if (cdbpath && cdbpath[0]!=0) {
cc484ed9 60 TString uri=cdbpath;
61 if (!uri.BeginsWith("local://") &&
62 !uri.Contains("://")) {
63 // assume a local path if no uri specifier is found
64 uri="local://";
65 uri+=cdbpath;
66 }
67 pCDB->SetDefaultStorage(uri);
2b545cdd 68 log.Logging(kHLTLogDebug, "InitCDB", "CDB handling", "CDB instance 0x%x", pCDB);
69 } else if (!pCDB->IsDefaultStorageSet()) {
70 const char* cdbUri="local://$ALICE_ROOT/OCDB";
71 pCDB->SetDefaultStorage(cdbUri);
72 pCDB->SetRun(0);
73 log.Logging(kHLTLogInfo, "InitCDB", "CDB handling", "set default URI: %s", cdbUri);
74 }
75 }
76 return iResult;
77}
78
79int AliHLTMiscImplementation::SetCDBRunNo(int runNo)
80{
81 // see header file for function documentation
82 int iResult=0;
83 AliCDBManager* pCDB = AliCDBManager::Instance();
84 AliHLTLogging log;
85 if (!pCDB) {
cc484ed9 86 log.Logging(kHLTLogError, "SetCDBRunNo", "CDB handling", "Could not get CDB instance");
2b545cdd 87 } else {
88 pCDB->SetRun(runNo);
89 }
90 return iResult;
91}
92
df5d2b78 93int AliHLTMiscImplementation::GetCDBRunNo()
94{
95 // see header file for function documentation
96 AliCDBManager* pCDB = AliCDBManager::Instance();
97 AliHLTLogging log;
98 if (!pCDB) {
99 log.Logging(kHLTLogError, "SetCDBRunNo", "CDB handling", "Could not get CDB instance");
100 } else {
101 return pCDB->GetRun();
102 }
103 return -1;
104}
105
2b545cdd 106AliCDBEntry* AliHLTMiscImplementation::LoadOCDBEntry(const char* path, int runNo, int version, int subVersion)
107{
108 // see header file for function documentation
22d17395 109 AliCDBStorage* store = AliCDBManager::Instance()->GetDefaultStorage();
110 if (!store) {
111 return NULL;
112 }
113 if (version<0) version = store->GetLatestVersion(path, runNo);
114 if (subVersion<0) subVersion = store->GetLatestSubVersion(path, runNo, version);
2b545cdd 115 return AliCDBManager::Instance()->Get(path, runNo, version, subVersion);
116}
117
118TObject* AliHLTMiscImplementation::ExtractObject(AliCDBEntry* entry)
119{
120 // see header file for function documentation
121 if (!entry) return NULL;
122 return entry->GetObject();
123}
124
cc484ed9 125int AliHLTMiscImplementation::InitMagneticField() const
2b545cdd 126{
cc484ed9 127 // see header file for function documentation
128
129 // BAD: unit test fails if I call TGeoGlobalMagField::Instance()
130 // at this point. Something goes wrong in the cleaning of the global
131 // ROOT onject
132 /*
133 if (TGeoGlobalMagField::Instance()->GetField()) {
134 // everything set, but think about storing the currents for
135 // a cross-check
136 return 0;
2b545cdd 137 }
cc484ed9 138 */
2b545cdd 139
cc484ed9 140 // The magnetic field is initialized once at the start
141 // of run. The fields are supposed to be constant througout the
142 // data taking of one run. The run is aborted if the changes
143 // exceed a certain limit.
144 AliGRPManager grpman;
145 if (grpman.ReadGRPEntry() && grpman.SetMagField()) {
146 return 0;
2b545cdd 147 }
cc484ed9 148
149 return -ENOENT;
2b545cdd 150}
73305a93 151
152AliHLTUInt64_t AliHLTMiscImplementation::GetTriggerMask(AliRawReader* rawReader) const
153{
154 // see header file for function documentation
155 if (!rawReader) return 0;
156 AliHLTUInt64_t trgMask=0;
157 if (rawReader) {
158 const UInt_t* pattern=rawReader->GetTriggerPattern();
159 trgMask=pattern[1]&0xfffffff; // 28 upper bits of the 50 bit mask
160 trgMask<<=32;
161 trgMask|=pattern[0]; // 32 lower bits of the mask
162 }
163 return trgMask;
164}
a5e775ec 165
166Double_t AliHLTMiscImplementation::GetBz()
167{
168 // Returns Bz.
169 return AliTracker::GetBz();
170}
171
172Double_t AliHLTMiscImplementation::GetBz(const Double_t *r)
173{
174 // Returns Bz (kG) at the point "r" .
175 return AliTracker::GetBz(r);
176}
177
178void AliHLTMiscImplementation::GetBxByBz(const Double_t r[3], Double_t b[3])
179{
180 // Returns Bx, By and Bz (kG) at the point "r" .
181 return AliTracker::GetBxByBz(r, b);
182}
95ea76b5 183
184const TClass* AliHLTMiscImplementation::IsAliESDHLTDecision() const
185{
186 // Return the IsA of the AliESDHLTDecision class
8cc935e5 187#ifndef HAVE_NOT_ALIESDHLTDECISION
95ea76b5 188 return AliESDHLTDecision::Class();
8cc935e5 189#else // HAVE_NOT_ALIESDHLTDECISION
95ea76b5 190 return NULL;
8cc935e5 191#endif // HAVE_NOT_ALIESDHLTDECISION
95ea76b5 192}
193
194int AliHLTMiscImplementation::Copy(const AliHLTGlobalTriggerDecision* pDecision, TObject* object) const
195{
196 // Copy HLT global trigger decision to AliESDHLTDecision container
197 if (!pDecision || !object) return -EINVAL;
8cc935e5 198#ifndef HAVE_NOT_ALIESDHLTDECISION
95ea76b5 199 AliESDHLTDecision* pESDHLTDecision=NULL;
200 if (object->IsA()==NULL ||
201 object->IsA() != AliESDHLTDecision::Class() ||
202 (pESDHLTDecision=dynamic_cast<AliESDHLTDecision*>(object))==NULL) {
203// HLTError("can not copy HLT global decision to object of class \"%s\"",
204// object->IsA()?object->IsA()->GetName():"NULL");
205 return -EINVAL;
206 }
207
208 pESDHLTDecision->~AliESDHLTDecision();
84f84689 209 new (pESDHLTDecision) AliESDHLTDecision(pDecision->Result(), pDecision->GetTitle());
95ea76b5 210
8cc935e5 211#endif // HAVE_NOT_ALIESDHLTDECISION
95ea76b5 212 return 0;
213}