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c8b1a7db | 1 | #ifndef ALIBASEAODTASK_H |
2 | #define ALIBASEAODTASK_H | |
3 | #include <AliAnalysisTaskSE.h> | |
4 | #include <TAxis.h> | |
5 | class AliAODEvent; | |
6 | class AliAODForwardMult; | |
7 | class AliAODCentralMult; | |
8 | class TList; | |
9 | ||
671df6c9 | 10 | /** |
11 | * Base class for reading in AOD stuff | |
12 | * | |
13 | */ | |
c8b1a7db | 14 | class AliBaseAODTask : public AliAnalysisTaskSE |
15 | { | |
16 | public: | |
17 | /** | |
18 | * Constructor (for I/O - do not use) | |
19 | */ | |
20 | AliBaseAODTask(); | |
21 | /** | |
22 | * Constructor | |
23 | * | |
24 | * @param name Name of task | |
25 | */ | |
26 | AliBaseAODTask(const char* name); | |
27 | /** | |
28 | * Destructor | |
29 | */ | |
30 | virtual ~AliBaseAODTask() {} | |
31 | /** | |
32 | * @{ | |
33 | * @name Set parameters | |
34 | */ | |
35 | /** | |
36 | * Set the vertex range to use | |
37 | * | |
38 | * @param min Minimum (in centermeter) | |
39 | * @param max Maximum (in centermeter) | |
40 | */ | |
41 | void SetIpZRange(Double_t min, Double_t max) { fMinIpZ=min; fMaxIpZ=max; } | |
42 | /** | |
43 | * Set the trigger maskl | |
44 | * | |
45 | * @param mask Trigger mask | |
46 | */ | |
47 | void SetTriggerMask(UShort_t mask); | |
48 | /** | |
49 | * Set the trigger mask | |
50 | * | |
51 | * @param mask trigger mask | |
52 | */ | |
53 | void SetTriggerMask(const char* mask); | |
54 | /** | |
55 | * Set the centrality bins to use. | |
56 | * | |
57 | * @code | |
58 | * UShort_t bins[] = { 0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 }; | |
59 | * task->SetCentralityBins(11, bins); | |
60 | * @endcode | |
61 | * | |
62 | * @param n Number of bins (elements in @a bins minus 1) | |
63 | * @param bins Bin limits | |
64 | */ | |
65 | void SetCentralityAxis(UShort_t n, Short_t* bins); | |
66 | /** | |
67 | * Define a single centrality bin from @a low to @a high | |
68 | * | |
69 | * @param low Lower bound | |
70 | * @param high Upper bound | |
71 | */ | |
72 | void SetCentralityAxis(Short_t low, Short_t high); | |
73 | /* @} */ | |
74 | /** | |
75 | * @{ | |
76 | * @name Interface member functions | |
77 | */ | |
78 | /** | |
79 | * Add this task to the manager and connect the outputs. If @a | |
80 | * sumFile is null or the empty string, then the sum container is | |
81 | * stored in the default output file of the manager. If @a resFile | |
82 | * is null or the empty string, then it is set to @a resFile if | |
83 | * defined, otherwise to the default output file of the manager. | |
84 | * | |
85 | * @param sumFile Output file for sums | |
86 | * @param resFile Output file for sums | |
87 | * | |
88 | * @return true on success | |
89 | */ | |
90 | virtual Bool_t Connect(const char* sumFile=0, const char* resFile=0); | |
91 | /** | |
92 | * Book output objects. Derived class should define this to book | |
93 | * output objects on the processing output list @c fList before the | |
94 | * actual event processing. This is called on the master and on | |
95 | * each slave. | |
96 | * | |
97 | * If this member function returns false, the execution is stopped | |
98 | * with a fatal signal. | |
99 | * | |
100 | * @return true on success. | |
101 | */ | |
102 | virtual Bool_t Book() = 0; | |
103 | /** | |
104 | * Called after reading in the first event. Here we can setup stuff | |
105 | * depending on the conditions we're running under. | |
106 | * | |
107 | * @return true on success. If this returns false, then we turn the | |
108 | * task into a zombie and we do no more processing. | |
109 | */ | |
110 | virtual Bool_t PreData() { return true; } | |
111 | /** | |
112 | * Called before processing a single event - should not do anything | |
113 | * but clear data, etc. | |
114 | * | |
115 | * @return true on success | |
116 | */ | |
117 | virtual Bool_t PreEvent() { return true; } | |
118 | /** | |
119 | * Process a single event | |
120 | * | |
121 | * @param aod Input event | |
122 | * | |
123 | * @return true on success | |
124 | */ | |
125 | virtual Bool_t Event(AliAODEvent& aod) = 0; | |
126 | /** | |
127 | * Called after processing a single event - should not do anything | |
128 | * but clear data, etc. | |
129 | * | |
130 | * @return true on success | |
131 | */ | |
132 | virtual Bool_t PostEvent() { return true; } | |
133 | /** | |
134 | * Do the final analysis on the merged output. | |
135 | * | |
136 | * @return true on success | |
137 | */ | |
138 | virtual Bool_t Finalize() = 0; | |
139 | /* @} */ | |
140 | ||
141 | /** | |
142 | * @{ | |
143 | * @name Utilities | |
144 | */ | |
145 | /** | |
146 | * Print information | |
147 | * | |
148 | * @param option Not used | |
149 | */ | |
150 | void Print(Option_t* option="") const; | |
151 | /* @} */ | |
152 | protected: | |
153 | /** | |
154 | * Copyt constructor - not defined | |
155 | * | |
156 | * @param o Object to copy from | |
157 | */ | |
158 | AliBaseAODTask(const AliBaseAODTask& o); | |
159 | /** | |
160 | * Assignment operatoer - not defined | |
161 | * | |
162 | * @param o Object to assign from | |
163 | * | |
164 | * @return reference to this object | |
165 | */ | |
166 | AliBaseAODTask& operator=(const AliBaseAODTask& o); | |
167 | /** @{ | |
168 | * @name Task interface | |
169 | */ | |
170 | /** | |
171 | * Initialise on master - does nothing | |
172 | * | |
173 | */ | |
174 | virtual void Init() {} | |
175 | /** | |
176 | * Create output objects. | |
177 | * | |
178 | * This is called once per slave process | |
179 | */ | |
180 | virtual void UserCreateOutputObjects(); | |
181 | /** | |
182 | * Process a single event | |
183 | * | |
184 | * @param option Not used | |
185 | */ | |
186 | virtual void UserExec(Option_t* option); | |
187 | /** | |
188 | * Called at end of event processing. | |
189 | * | |
190 | * This is called once in the master | |
191 | * | |
192 | * @param option Not used | |
193 | */ | |
194 | virtual void Terminate(Option_t* option); | |
195 | /* @} */ | |
196 | /** | |
197 | * Get the forward object from the AOD | |
198 | * | |
199 | * @param aod AOD event | |
200 | * @param mc If true, for MC | |
201 | * @param verb If truem be verbose | |
202 | * | |
203 | * @return Forward object or null | |
204 | */ | |
205 | AliAODForwardMult* GetForward(const AliAODEvent& aod, | |
206 | Bool_t mc=false, | |
207 | Bool_t verb=true); | |
208 | /** | |
209 | * Get the central object from the AOD | |
210 | * | |
211 | * @param aod AOD event | |
212 | * @param mc If true, for MC | |
213 | * @param verb If truem be verbose | |
214 | * | |
215 | * @return Central object or null | |
216 | */ | |
217 | AliAODCentralMult* GetCentral(const AliAODEvent& aod, | |
218 | Bool_t mc=false, | |
219 | Bool_t verb=true); | |
220 | /** | |
221 | * Get the histogram of primary particles | |
222 | * | |
223 | * @param aod AOD event | |
224 | * | |
225 | * @return Pointer to primary particles, or null | |
226 | */ | |
227 | TH2D* GetPrimary(const AliAODEvent& aod); | |
228 | /** | |
229 | * Store information about the job on output | |
230 | * | |
231 | * @param forward Forward object | |
232 | */ | |
233 | virtual void StoreInformation(AliAODForwardMult& forward); | |
234 | /** | |
235 | * Check if the event corresponds to the selected trigger(s), | |
236 | * vertex, and centrality. Derived classes can overload this to | |
237 | * enable event processing - even if the event is not within cuts. | |
238 | * | |
239 | * @param forward Forward object | |
240 | * | |
241 | * @return true if the event is within the cuts. | |
242 | */ | |
243 | virtual Bool_t CheckEvent(const AliAODForwardMult& forward); | |
244 | /** | |
245 | * Check if we have centrality bins defined | |
246 | * | |
247 | * @return true if we have one or more centrality bins | |
248 | */ | |
249 | Bool_t HasCentrality() const { return fCentAxis.GetNbins() >= 1; } | |
250 | ||
251 | UInt_t fTriggerMask; // Trigger mask | |
252 | Double_t fMinIpZ; // Least z--coordiante of interaction point | |
253 | Double_t fMaxIpZ; // Largest z--coordiante of interaction point | |
254 | TAxis fCentAxis; // Centrality axis | |
255 | TH1* fTriggers; // Histogram of triggers | |
256 | TH1* fEventStatus; // Histogram of event selection | |
257 | TH1* fVertex; // Vertex distribution of all events | |
258 | TH1* fCent; // Centrality distribution of all events | |
259 | TH1* fAccVertex; // Vertex distribution of accepted events | |
260 | TH1* fAccCent; // Centrality distribution of accepted events | |
261 | Bool_t fFirstEvent; // Information stored or not | |
262 | Bool_t fCloneList; // Wether to clone sum list for results | |
263 | TList* fSums; // Output list of sums | |
264 | TList* fResults; // Output list of results | |
265 | ||
266 | ClassDef(AliBaseAODTask,1) | |
267 | }; | |
268 | #endif | |
269 | // | |
270 | // Local Variables: | |
271 | // mode: C++ | |
272 | // End: | |
273 | // |