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b81460ad | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | #include <TROOT.h> | |
19 | #include <TSystem.h> | |
20 | #include <TInterpreter.h> | |
21 | #include <TChain.h> | |
22 | #include <TFile.h> | |
23 | #include <TList.h> | |
24 | ||
25 | #include "AliAnalysisTaskME.h" | |
26 | #include "AliAnalysisManager.h" | |
79478008 | 27 | #include "AliAnalysisDataSlot.h" |
b81460ad | 28 | #include "AliAODEvent.h" |
cd17c2ba | 29 | #include "AliVEvent.h" |
b81460ad | 30 | #include "AliAODHandler.h" |
cd17c2ba | 31 | #include "AliMultiEventInputHandler.h" |
b81460ad | 32 | #include "AliLog.h" |
33 | ||
34 | ||
df8176e9 | 35 | ClassImp(AliAnalysisTaskME) |
b81460ad | 36 | |
37 | //////////////////////////////////////////////////////////////////////// | |
38 | ||
39 | AliAnalysisTaskME::AliAnalysisTaskME(): | |
40 | AliAnalysisTask(), | |
41 | fDebug(0), | |
42 | fEntry(0), | |
43 | fFreshBufferOnly(kFALSE), | |
44 | fInputHandler(0x0), | |
45 | fOutputAOD(0x0), | |
3c329509 | 46 | fTreeA(0x0), |
47 | fOfflineTriggerMask(0) | |
b81460ad | 48 | { |
49 | // Default constructor | |
50 | } | |
51 | ||
52 | AliAnalysisTaskME::AliAnalysisTaskME(const char* name): | |
53 | AliAnalysisTask(name, "AnalysisTaskME"), | |
54 | fDebug(0), | |
55 | fEntry(0), | |
56 | fFreshBufferOnly(kFALSE), | |
57 | fInputHandler(0x0), | |
58 | fOutputAOD(0x0), | |
3c329509 | 59 | fTreeA(0x0), |
60 | fOfflineTriggerMask(0) | |
b81460ad | 61 | { |
62 | // Default constructor | |
63 | DefineInput (0, TChain::Class()); | |
64 | DefineOutput(0, TTree::Class()); | |
65 | } | |
66 | ||
67 | AliAnalysisTaskME::AliAnalysisTaskME(const AliAnalysisTaskME& obj): | |
68 | AliAnalysisTask(obj), | |
69 | fDebug(0), | |
70 | fEntry(0), | |
71 | fFreshBufferOnly(kFALSE), | |
72 | fInputHandler(0x0), | |
73 | fOutputAOD(0x0), | |
3c329509 | 74 | fTreeA(0x0), |
75 | fOfflineTriggerMask(0) | |
b81460ad | 76 | { |
77 | // Copy constructor | |
78 | fDebug = obj.fDebug; | |
79 | fEntry = obj.fEntry; | |
80 | fInputHandler = obj.fInputHandler; | |
81 | fOutputAOD = obj.fOutputAOD; | |
3c329509 | 82 | fTreeA = obj.fTreeA; |
83 | fOfflineTriggerMask = obj.fOfflineTriggerMask; | |
b81460ad | 84 | } |
85 | ||
86 | ||
87 | AliAnalysisTaskME& AliAnalysisTaskME::operator=(const AliAnalysisTaskME& other) | |
88 | { | |
89 | // Assignment | |
90 | AliAnalysisTask::operator=(other); | |
91 | fDebug = other.fDebug; | |
92 | fEntry = other.fEntry; | |
93 | fFreshBufferOnly = other.fFreshBufferOnly; | |
94 | fInputHandler = other.fInputHandler; | |
95 | fOutputAOD = other.fOutputAOD; | |
96 | fTreeA = other.fTreeA; | |
3c329509 | 97 | fOfflineTriggerMask = other.fOfflineTriggerMask; |
b81460ad | 98 | return *this; |
99 | } | |
100 | ||
101 | ||
102 | void AliAnalysisTaskME::ConnectInputData(Option_t* /*option*/) | |
103 | { | |
104 | // Connect the input data | |
105 | if (fDebug > 1) printf("AnalysisTaskME::ConnectInputData() \n"); | |
106 | // | |
107 | // Multi AOD | |
108 | // | |
cd17c2ba | 109 | fInputHandler = dynamic_cast<AliMultiEventInputHandler*> |
b81460ad | 110 | ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler()); |
94d4e23c | 111 | if (fInputHandler == 0) { |
cd17c2ba | 112 | AliFatal("Event Handler has to be MultiEventInputHandler !"); |
94d4e23c | 113 | } else { |
114 | // Check that we have an event pool | |
115 | if (!fInputHandler->GetEventPool()) { | |
116 | fInputHandler->SetEventPool(AliAnalysisManager::GetAnalysisManager()->GetEventPool()); | |
117 | if (!fInputHandler->GetEventPool()) | |
cd17c2ba | 118 | AliFatal("MultiEventInputHandler has no EventPool connected !"); |
94d4e23c | 119 | } |
120 | } | |
b81460ad | 121 | } |
122 | ||
123 | void AliAnalysisTaskME::CreateOutputObjects() | |
124 | { | |
125 | // Create the output container | |
126 | // | |
127 | // Default AOD | |
128 | if (fDebug > 1) printf("AnalysisTaskME::CreateOutPutData() \n"); | |
129 | ||
130 | AliAODHandler* handler = (AliAODHandler*) | |
131 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
132 | ||
133 | if (handler) { | |
134 | fOutputAOD = handler->GetAOD(); | |
135 | fTreeA = handler->GetTree(); | |
136 | } else { | |
137 | AliWarning("No AOD Event Handler connected.") ; | |
138 | } | |
139 | UserCreateOutputObjects(); | |
140 | } | |
141 | ||
142 | void AliAnalysisTaskME::Exec(Option_t* option) | |
143 | { | |
144 | // | |
145 | // Exec analysis of one event | |
e7d9460a | 146 | |
b81460ad | 147 | if (fDebug > 1) AliInfo("AliAnalysisTaskME::Exec() \n"); |
148 | if( fInputHandler ) | |
149 | fEntry = fInputHandler->GetReadEntry(); | |
150 | if ( !((Entry()-1)%100) && fDebug > 0) | |
151 | AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry())); | |
15917707 | 152 | |
153 | AliAODHandler* outputHandler = (AliAODHandler*) | |
154 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
3c329509 | 155 | // |
156 | // Was event selected ? If no event selection mechanism, the event SHOULD be selected (AG) | |
157 | UInt_t isSelected = AliVEvent::kAny; | |
9daedfd1 | 158 | if(fInputHandler && fInputHandler->GetEventSelection()) { |
3c329509 | 159 | // Get the actual offline trigger mask for the event and AND it with the |
160 | // requested mask. If no mask requested select by default the event. | |
161 | if (fOfflineTriggerMask) | |
162 | isSelected = fOfflineTriggerMask & fInputHandler->IsEventSelected(); | |
163 | } | |
9daedfd1 | 164 | |
3c329509 | 165 | if (!isSelected) { |
166 | if (fDebug > 1) AliInfo("Event rejected \n"); | |
167 | fInputHandler->EventSkipped(); | |
168 | return; | |
169 | } | |
b81460ad | 170 | // Call the user analysis |
3c329509 | 171 | |
9daedfd1 | 172 | if (fInputHandler && fInputHandler->IsBufferReady()) { |
b81460ad | 173 | if ((fFreshBufferOnly && fInputHandler->IsFreshBuffer()) || !fFreshBufferOnly) |
174 | { | |
cd17c2ba | 175 | if (outputHandler) outputHandler->SetFillAOD(kTRUE); |
b81460ad | 176 | UserExec(option); |
79478008 | 177 | // Added protection in case the derived task is not an AOD producer. |
178 | AliAnalysisDataSlot *out0 = GetOutputSlot(0); | |
179 | if (out0 && out0->IsConnected()) PostData(0, fTreeA); | |
15917707 | 180 | } else { |
cd17c2ba | 181 | if (outputHandler) outputHandler->SetFillAOD(kFALSE); |
b81460ad | 182 | } |
e7d9460a | 183 | } else { |
184 | AliInfo(Form("Waiting for buffer to be ready !\n")); | |
b81460ad | 185 | } |
186 | } | |
187 | ||
188 | const char* AliAnalysisTaskME::CurrentFileName() | |
189 | { | |
190 | // Returns the current file name | |
191 | if(fInputHandler ) | |
192 | return fInputHandler->GetTree()->GetCurrentFile()->GetName(); | |
193 | else return ""; | |
194 | } | |
195 | ||
c8fe2783 | 196 | void AliAnalysisTaskME::AddAODBranch(const char* cname, void* addobj, const char *fname) |
b81460ad | 197 | { |
198 | // Add a new branch to the aod tree | |
199 | AliAODHandler* handler = (AliAODHandler*) | |
200 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
201 | if (handler) { | |
c8fe2783 | 202 | handler->AddBranch(cname, addobj, fname); |
b81460ad | 203 | } |
204 | } | |
205 | ||
cd17c2ba | 206 | AliVEvent* AliAnalysisTaskME::GetEvent(Int_t iev) |
b81460ad | 207 | { |
208 | // Get an event from the input handler | |
209 | return (fInputHandler->GetEvent(iev)); | |
210 | } | |
211 |