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e09e5bba | 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 AliHLTGlobalOfflineVertexerComponent.cxx | |
20 | // @author Matthias Richter | |
21 | // @date 2010-04-19 | |
22 | // @brief Component wrapping the offline vertexer | |
23 | // @ingroup alihlt_global | |
24 | ||
25 | #if __GNUC__== 3 | |
26 | using namespace std; | |
27 | #endif | |
28 | ||
29 | #include "AliHLTGlobalOfflineVertexerComponent.h" | |
30 | #include "AliESDEvent.h" | |
31 | #include "AliESDtrack.h" | |
32 | #include "AliVertexerTracks.h" | |
33 | #include "AliESDVertex.h" | |
34 | #include "AliLog.h" | |
35 | #include "TMap.h" | |
36 | ||
37 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
38 | ClassImp(AliHLTGlobalOfflineVertexerComponent) | |
39 | ||
40 | AliHLTGlobalOfflineVertexerComponent::AliHLTGlobalOfflineVertexerComponent() | |
41 | : AliHLTProcessor() | |
42 | , fVertexer(NULL) | |
43 | , fBenchmark("GlobalOfflineVertexer") | |
44 | { | |
45 | // The component subscribes to the HLT ESD and calculates the vertex | |
46 | // using the offline vertexer. | |
47 | // | |
48 | // see header file for class documentation | |
49 | // or | |
50 | // refer to README to build package | |
51 | // or | |
52 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
53 | // | |
54 | // NOTE: all helper classes should be instantiated in DoInit() | |
55 | } | |
56 | ||
57 | AliHLTGlobalOfflineVertexerComponent::~AliHLTGlobalOfflineVertexerComponent() | |
58 | { | |
59 | // destructor | |
60 | // | |
61 | // NOTE: implement proper cleanup in DoDeinit() | |
62 | } | |
63 | ||
64 | const char* AliHLTGlobalOfflineVertexerComponent::GetComponentID() | |
65 | { | |
66 | // component property: id | |
67 | return "GlobalOfflineVertexer"; | |
68 | } | |
69 | ||
70 | void AliHLTGlobalOfflineVertexerComponent::GetInputDataTypes( vector<AliHLTComponentDataType>& list) | |
71 | { | |
72 | // component property: list of input data types | |
73 | list.push_back(kAliHLTDataTypeESDObject); | |
74 | } | |
75 | ||
76 | AliHLTComponentDataType AliHLTGlobalOfflineVertexerComponent::GetOutputDataType() | |
77 | { | |
78 | // component property: output data type | |
79 | return kAliHLTAnyDataType; | |
80 | } | |
81 | ||
82 | void AliHLTGlobalOfflineVertexerComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier ) | |
83 | { | |
84 | // component property: output size estimator | |
85 | constBase = 0; | |
86 | inputMultiplier = 1.0; | |
87 | } | |
88 | ||
89 | void AliHLTGlobalOfflineVertexerComponent::GetOCDBObjectDescription( TMap* const targetMap) | |
90 | { | |
91 | // Get a list of OCDB object description. | |
92 | // The list of objects is provided in a TMap | |
93 | // - key: complete OCDB path, e.g. GRP/GRP/Data | |
94 | // - value: short description why the object is needed | |
95 | // Key and value objects created inside this class go into ownership of | |
96 | // target TMap. | |
97 | if (!targetMap) return; | |
98 | targetMap->Add(new TObjString("HLT/ConfigHLT/GlobalOfflineVertexer"), | |
99 | new TObjString("configuration object")); | |
100 | targetMap->Add(new TObjString("GRP/GRP/Data"), | |
101 | new TObjString("GRP object")); | |
102 | } | |
103 | ||
104 | AliHLTComponent* AliHLTGlobalOfflineVertexerComponent::Spawn() | |
105 | { | |
106 | // Spawn function, return new class instance | |
107 | return new AliHLTGlobalOfflineVertexerComponent; | |
108 | } | |
109 | ||
110 | int AliHLTGlobalOfflineVertexerComponent::DoInit( int argc, const char** argv ) | |
111 | { | |
112 | // see header file for class documentation | |
113 | int iResult=0; | |
114 | ||
115 | // init stage 1: default values for all data members | |
116 | ||
117 | // init stage 2: read configuration object | |
118 | // ScanConfigurationArgument() needs to be implemented | |
119 | TString cdbPath="HLT/ConfigHLT/"; | |
120 | cdbPath+=GetComponentID(); | |
121 | ||
122 | // TODO: activate later when the object has been copied to the | |
123 | // Grid OCDB | |
124 | //iResult=ConfigureFromCDBTObjString(cdbPath); | |
125 | ||
126 | // init stage 3: read the component arguments | |
127 | if (iResult>=0) { | |
128 | iResult=ConfigureFromArgumentString(argc, argv); | |
129 | } | |
130 | ||
131 | if (iResult>=0) { | |
132 | // implement the component initialization | |
133 | fVertexer=new AliVertexerTracks; | |
134 | } | |
135 | ||
136 | if (iResult<0) { | |
137 | // implement cleanup | |
138 | } | |
139 | ||
140 | fBenchmark.SetTimer(0,"total"); | |
141 | ||
142 | return iResult; | |
143 | } | |
144 | ||
145 | int AliHLTGlobalOfflineVertexerComponent::ScanConfigurationArgument(int /*argc*/, const char** /*argv*/) | |
146 | { | |
147 | // Scan configuration arguments | |
148 | // Return the number of processed arguments | |
149 | // -EPROTO if argument format error (e.g. number expected but not found) | |
150 | // | |
151 | // The AliHLTComponent base class implements a parsing loop for argument strings and | |
152 | // arrays of strings which is invoked by ConfigureFromArgumentString/ConfigureFromCDBTObjString | |
153 | // The component needs to implement ScanConfigurationArgument in order to decode the arguments. | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | int AliHLTGlobalOfflineVertexerComponent::DoDeinit() | |
159 | { | |
160 | // component cleanup, delete all instances of helper classes here | |
161 | if (fVertexer) delete fVertexer; | |
162 | fVertexer=NULL; | |
163 | ||
164 | return 0; | |
165 | } | |
166 | ||
167 | int AliHLTGlobalOfflineVertexerComponent::DoEvent(const AliHLTComponentEventData& /*evtData*/, | |
168 | AliHLTComponentTriggerData& /*trigData*/) | |
169 | { | |
170 | // event processing function | |
171 | ||
172 | // check if this is a data event, there are a couple of special events | |
173 | // which should be ignored for normal processing | |
174 | if (!fVertexer) return -ENODEV; | |
175 | if (!IsDataEvent()) return 0; | |
176 | ||
177 | fBenchmark.StartNewEvent(); | |
178 | fBenchmark.Start(0); | |
179 | ||
180 | const TObject* obj = GetFirstInputObject(kAliHLTAllDataTypes, "AliESDEvent"); | |
181 | ||
182 | // input objects are not supposed to be changed by the component, so they | |
183 | // are defined const. However, the implementation of AliESDEvent does not | |
184 | // support this and we need the const_cast | |
185 | const AliESDEvent* esd = dynamic_cast<const AliESDEvent*>(obj); | |
186 | if (esd != NULL) { | |
187 | AliESDVertex* vertex=fVertexer->FindPrimaryVertex(esd); | |
188 | if (vertex) { | |
189 | AliInfoClass("Offline Vertexer using the HLT ESD:"); | |
190 | vertex->Print(); | |
191 | } | |
192 | } | |
193 | ||
194 | fBenchmark.Stop(0); | |
195 | AliInfoClass( fBenchmark.GetStatistics() ); | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
200 | int AliHLTGlobalOfflineVertexerComponent::Reconfigure(const char* cdbEntry, const char* chainId) | |
201 | { | |
202 | // reconfigure the component from the specified CDB entry, or default CDB entry | |
203 | HLTInfo("reconfigure '%s' from entry %s", chainId, cdbEntry); | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
208 | int AliHLTGlobalOfflineVertexerComponent::ReadPreprocessorValues(const char* modules) | |
209 | { | |
210 | // read the preprocessor values for the detectors in the modules list | |
211 | int iResult=0; | |
212 | TString detectors(modules!=NULL?modules:""); | |
213 | HLTInfo("read preprocessor values for detector(s): %s", detectors.IsNull()?"none":detectors.Data()); | |
214 | return iResult; | |
215 | } |