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cafc1a86 | 1 | //-*- Mode: C++ -*- |
2 | // $Id$ | |
3 | #ifndef ALIHLTTRIGGERBARRELMULTIPLICITY_H | |
4 | #define ALIHLTTRIGGERBARRELMULTIPLICITY_H | |
5 | //* This file is property of and copyright by the ALICE HLT Project * | |
6 | //* ALICE Experiment at CERN, All rights reserved. * | |
7 | //* See cxx source for full Copyright notice * | |
8 | ||
9 | /// @file AliHLTTriggerBarrelMultiplicity.h | |
10 | /// @author Matthias Richter | |
11 | /// @date 2009-06-30 | |
12 | /// @brief HLT trigger component for charged particle multiplicity in | |
13 | /// the central barrel. | |
14 | ||
15 | #include "AliHLTTrigger.h" | |
16 | ||
f1574126 | 17 | class AliESDtrack; |
18 | ||
cafc1a86 | 19 | /** |
20 | * @class AliHLTTriggerBarrelMultiplicity | |
21 | * HLT trigger component for charged particle multiplicity in the | |
22 | * central barrel. | |
23 | * | |
24 | * Triggers on charged particle number in a certain pt range. | |
895f3660 | 25 | * |
26 | * <h2>General properties:</h2> | |
27 | * | |
28 | * Component ID: \b BarrelMultiplicityTrigger <br> | |
29 | * Library: \b libAliHLTTrigger.so <br> | |
30 | * Input Data Types: kAliHLTDataTypeESDObject, kAliHLTDataTypeESDTree | |
31 | * kAliHLTDataTypeTrack <br> | |
32 | * Output Data Types: ::kAliHLTAnyDataType <br> | |
33 | * | |
34 | * <h2>Mandatory arguments:</h2> | |
35 | * <!-- NOTE: ignore the \li. <i> and </i>: it's just doxygen formatting --> | |
36 | * | |
37 | * <h2>Optional arguments:</h2> | |
38 | * <!-- NOTE: ignore the \li. <i> and </i>: it's just doxygen formatting --> | |
39 | * | |
40 | * <h2>Configuration:</h2> | |
41 | * <!-- NOTE: ignore the \li. <i> and </i>: it's just doxygen formatting --> | |
42 | * \li -mintracks <i> n </i> <br> | |
43 | * required number of tracks for a trigger | |
44 | * \li -minpt <i> pt </i> <br> | |
45 | * required minimum pt for a trigger | |
46 | * \li -maxpt <i> pt </i> <br> | |
47 | * required maximum pt for a trigger | |
48 | * | |
49 | * By default, configuration is loaded from OCDB, can be overridden by | |
50 | * component arguments. | |
51 | * | |
52 | * <h2>Default CDB entries:</h2> | |
53 | * HLT/ConfigHLT/BarrelMultiplicityTrigger: TObjString storing the arguments | |
54 | * | |
55 | * <h2>Performance:</h2> | |
56 | * | |
57 | * | |
58 | * <h2>Memory consumption:</h2> | |
59 | * | |
60 | * | |
61 | * <h2>Output size:</h2> | |
62 | * | |
63 | * | |
64 | * \ingroup alihlt_trigger_components | |
cafc1a86 | 65 | */ |
66 | class AliHLTTriggerBarrelMultiplicity : public AliHLTTrigger | |
67 | { | |
68 | public: | |
69 | AliHLTTriggerBarrelMultiplicity(); | |
70 | ~AliHLTTriggerBarrelMultiplicity(); | |
71 | ||
72 | /// inherited from AliHLTTrigger: name of this trigger | |
73 | virtual const char* GetTriggerName() const; | |
74 | /// inherited from AliHLTComponent: create an instance | |
75 | virtual AliHLTComponent* Spawn(); | |
76 | ||
f1574126 | 77 | protected: |
78 | /// inherited from AliHLTComponent: handle the initialization | |
79 | int DoInit(int argc, const char** argv); | |
80 | ||
81 | /// inherited from AliHLTComponent: handle cleanup | |
82 | int DoDeinit(); | |
83 | ||
84 | /// inherited from AliHLTComponent: handle re-configuration event | |
85 | int Reconfigure(const char* cdbEntry, const char* chainId); | |
86 | ||
87 | /// inherited from AliHLTComponent, scan one argument and | |
88 | /// its parameters | |
89 | int ScanConfigurationArgument(int argc, const char** argv); | |
90 | ||
cafc1a86 | 91 | private: |
92 | /// inherited from AliHLTTrigger: calculate the trigger | |
93 | virtual int DoTrigger(); | |
94 | ||
f1574126 | 95 | /// check whether a track meets the criteria |
96 | template<class T> | |
97 | bool CheckCondition(T* track); | |
98 | ||
cafc1a86 | 99 | /// pt cut, minimum |
100 | float fPtMin; //! transient | |
101 | /// pt cut, maximum | |
102 | float fPtMax; //! transient | |
103 | /// required number of tracks | |
f1574126 | 104 | int fMinTracks; //!transient |
105 | ||
106 | /// the default configuration entry for this component | |
107 | static const char* fgkOCDBEntry; //!transient | |
cafc1a86 | 108 | |
109 | ClassDef(AliHLTTriggerBarrelMultiplicity, 0) | |
110 | }; | |
111 | #endif //ALIHLTTRIGGERBARRELMULTIPLICITY_H |