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c5123824 | 1 | //-*- Mode: C++ -*- |
2 | // $Id$ | |
3 | ||
f1207f29 | 4 | #ifndef ALIHLTESDMANAGERIMPLEMENTATION_H |
5 | #define ALIHLTESDMANAGERIMPLEMENTATION_H | |
c5123824 | 6 | //* This file is property of and copyright by the ALICE HLT Project * |
7 | //* ALICE Experiment at CERN, All rights reserved. * | |
8 | //* See cxx source for full Copyright notice * | |
9 | ||
f1207f29 | 10 | /** @file AliHLTEsdManagerImplementation.h |
c5123824 | 11 | @author Matthias Richter |
12 | @date | |
f1207f29 | 13 | @brief Implementation of the AliHLTEsdManager |
c5123824 | 14 | */ |
15 | ||
f1207f29 | 16 | #include "AliHLTEsdManager.h" |
90c37647 | 17 | #include "TString.h" |
c5123824 | 18 | #include <vector> |
19 | ||
20 | class AliESDEvent; | |
21 | class TTree; | |
22 | class TFile; | |
23 | ||
24 | /** | |
f1207f29 | 25 | * @class AliHLTEsdManagerImplementation |
26 | * Implementation of the AliHLTEsdManager. | |
83cb7e1d | 27 | * |
f1207f29 | 28 | * For the sake of library (in)dependencies, the concrete implementation of |
29 | * the AliHLTEsdManager is separated from the libHLTbase class as this would | |
30 | * introduce dependencies to AliRoot libraries. See AliHLTEsdManager for | |
31 | * usage. | |
83cb7e1d | 32 | * |
9d4cf2ab | 33 | * @ingroup alihlt_aliroot_reconstruction |
c5123824 | 34 | */ |
f1207f29 | 35 | class AliHLTEsdManagerImplementation : public AliHLTEsdManager { |
c5123824 | 36 | public: |
37 | /** constructor */ | |
f1207f29 | 38 | AliHLTEsdManagerImplementation(); |
c5123824 | 39 | /** destructor */ |
f1207f29 | 40 | virtual ~AliHLTEsdManagerImplementation(); |
c5123824 | 41 | |
794de106 | 42 | /** |
43 | * Inherited from base class, see AliHLTEsdManager::SetOption() for | |
44 | * documentation. | |
45 | */ | |
46 | virtual int SetOption(const char* option); | |
47 | ||
c5123824 | 48 | /** |
49 | * Convert data buffer to ESD. | |
50 | * The buffer is supposed to describe a streamed AliESDEvent object. | |
51 | * If no target object is specified, the ESD is written to a file AliHLTdetESDs.root, | |
52 | * where 'det' is derived from the data type origin. Each time the function is invoked | |
53 | * a new event is created. Dummy events are added if the previous events did not contain | |
54 | * | |
55 | * @param pBuffer [in] the data buffer | |
56 | * @param size [in] data buffer size | |
57 | * @param dt [in] data type of the block | |
58 | * @param tgtesd [out] optional target | |
59 | * @param eventno [in] optional event no | |
60 | */ | |
61 | int WriteESD(const AliHLTUInt8_t* pBuffer, AliHLTUInt32_t size, AliHLTComponentDataType dt, | |
62 | AliESDEvent* tgtesd=NULL, int eventno=-1); | |
63 | ||
57584811 | 64 | /** |
65 | * Merge content of source ESD into the target ESD. | |
66 | * Merging is done on the level of objects in the ESD and for the | |
67 | * moment it's only implemented for the TClonesArrays. In that case it's | |
68 | * easy to detect whether the object is empty or not. | |
69 | * | |
70 | * \b Note: The function can not match entries of the same type, like e.g. | |
71 | * tracks from the 'Tracks' member. | |
72 | */ | |
73 | int Merge(AliESDEvent* pTgt, AliESDEvent* pSrc) const; | |
74 | ||
90c37647 | 75 | /** |
76 | * Align all ESD to the same number of events. | |
77 | * The function adds empty events to all ESD files if their event number | |
78 | * does not match the specified one. | |
79 | * @param eventno the desired event no | |
80 | * @return neg. error code if failed | |
81 | */ | |
82 | int PadESDs(int eventno); | |
83 | ||
84 | /** | |
85 | * Set the target directory for the ESD files. | |
86 | */ | |
87 | void SetDirectory(const char* directory); | |
88 | ||
89 | /** | |
90 | * Get the list of the internally created files. | |
91 | * Returns a blank separated list of the file names. | |
92 | */ | |
93 | TString GetFileNames(AliHLTComponentDataType dt=kAliHLTAnyDataType) const; | |
94 | ||
95 | /** | |
96 | * Embed an ESD into a TTree object. | |
97 | * The tree object needs to be deleted by the caller. | |
98 | */ | |
99 | static TTree* EmbedIntoTree(AliESDEvent* pESD, const char* name="esdTree", const char* title="Tree with HLT ESD objects"); | |
100 | ||
c5123824 | 101 | protected: |
102 | ||
103 | private: | |
104 | /** copy constructor prohibited */ | |
f1207f29 | 105 | AliHLTEsdManagerImplementation(const AliHLTEsdManagerImplementation&); |
c5123824 | 106 | /** assignment operator prohibited */ |
f1207f29 | 107 | AliHLTEsdManagerImplementation& operator=(const AliHLTEsdManagerImplementation&); |
c5123824 | 108 | |
109 | class AliHLTEsdListEntry : public AliHLTLogging { | |
110 | public: | |
111 | /** constructor */ | |
112 | AliHLTEsdListEntry(AliHLTComponentDataType dt); | |
c5123824 | 113 | /** destructor */ |
114 | ~AliHLTEsdListEntry(); | |
115 | ||
116 | /** | |
117 | * Write the ESD to the corresponding file. | |
118 | * The tree is first synchronized with the eventno and additional empty | |
119 | * events might be inserted if there was a gap. Since we are writing | |
120 | * several files in parallel, we have to make sure that those files contain | |
121 | * the same number of events. | |
122 | * @param pESD ESD to write | |
123 | * @param eventno optional event no for tree synchronization | |
124 | */ | |
125 | int WriteESD(AliESDEvent* pESD, int eventno=-1); | |
126 | ||
90c37647 | 127 | /** |
128 | * Set the target directory for the ESD file. | |
129 | */ | |
130 | void SetDirectory(const char* directory); | |
131 | ||
132 | /** | |
133 | * Delete the ESD file. | |
134 | */ | |
135 | void Delete(); | |
136 | ||
137 | /** | |
138 | * Get name of the ESD file. | |
139 | */ | |
140 | const char* GetFileName() const; | |
141 | ||
f527516f | 142 | /** |
143 | * Get the object name prefix generated from the data origin | |
144 | * The prefix is added to the names of the ESD objects when copied to the | |
145 | * master ESD. | |
146 | */ | |
147 | const char* GetPrefix(); | |
148 | ||
c5123824 | 149 | bool operator==(AliHLTComponentDataType dt) const; |
150 | ||
151 | private: | |
62ff1e23 | 152 | /** copy constructor prohibited */ |
153 | AliHLTEsdListEntry(const AliHLTEsdListEntry& src); | |
154 | /** assignment operator prohibited */ | |
155 | AliHLTEsdListEntry& operator=(const AliHLTEsdListEntry& src); | |
c5123824 | 156 | |
90c37647 | 157 | /** |
158 | * Write ESD to temporary file. | |
159 | * The ESD is embedded into a tree and saved to a temporary file. | |
160 | * The file name is retrieved by TSystem::GetTempFileName and returned | |
161 | * on success. | |
162 | * @return file name, empty on failure | |
163 | */ | |
164 | TString WriteTempFile(AliESDEvent* pESD) const; | |
165 | ||
c5123824 | 166 | /** root file name */ |
167 | TString fName; //!transient | |
90c37647 | 168 | /** target directory */ |
169 | TString fDirectory; //!transient | |
c5123824 | 170 | /** data type of the corresponding block */ |
171 | AliHLTComponentDataType fDt; //!transient | |
83cb7e1d | 172 | /** the root file for this esd */ |
173 | TFile* fpFile; //!transient | |
174 | /** the tree for this esd */ | |
175 | TTree* fpTree; //!transient | |
176 | /** the esd to fill into the tree */ | |
177 | AliESDEvent* fpEsd; //!transient | |
f527516f | 178 | /** Prefix for generated ESD objects in the master ESD */ |
179 | TString fPrefix; //!transient | |
c5123824 | 180 | }; |
181 | ||
62ff1e23 | 182 | typedef vector<AliHLTEsdListEntry*> AliHLTEsdPList; |
c5123824 | 183 | |
184 | /** | |
185 | * Find list entry for given data type | |
186 | */ | |
187 | AliHLTEsdListEntry* Find(AliHLTComponentDataType dt) const; | |
188 | ||
189 | /** the list of the ESDs */ | |
62ff1e23 | 190 | AliHLTEsdPList fESDs; //!transient |
c5123824 | 191 | |
90c37647 | 192 | /** target directory */ |
193 | TString fDirectory; //!transient | |
794de106 | 194 | /** write local files */ |
195 | bool fWriteLocal; //!transient | |
90c37647 | 196 | |
794de106 | 197 | ClassDef(AliHLTEsdManagerImplementation, 2) |
c5123824 | 198 | }; |
90c37647 | 199 | |
c5123824 | 200 | #endif |