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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" | |
27 | #include "AliAODEvent.h" | |
cd17c2ba | 28 | #include "AliVEvent.h" |
b81460ad | 29 | #include "AliAODHandler.h" |
cd17c2ba | 30 | #include "AliMultiEventInputHandler.h" |
b81460ad | 31 | #include "AliLog.h" |
32 | ||
33 | ||
34 | ClassImp(AliAnalysisTaskME) | |
35 | ||
36 | //////////////////////////////////////////////////////////////////////// | |
37 | ||
38 | AliAnalysisTaskME::AliAnalysisTaskME(): | |
39 | AliAnalysisTask(), | |
40 | fDebug(0), | |
41 | fEntry(0), | |
42 | fFreshBufferOnly(kFALSE), | |
43 | fInputHandler(0x0), | |
44 | fOutputAOD(0x0), | |
45 | fTreeA(0x0) | |
46 | { | |
47 | // Default constructor | |
48 | } | |
49 | ||
50 | AliAnalysisTaskME::AliAnalysisTaskME(const char* name): | |
51 | AliAnalysisTask(name, "AnalysisTaskME"), | |
52 | fDebug(0), | |
53 | fEntry(0), | |
54 | fFreshBufferOnly(kFALSE), | |
55 | fInputHandler(0x0), | |
56 | fOutputAOD(0x0), | |
57 | fTreeA(0x0) | |
58 | { | |
59 | // Default constructor | |
60 | DefineInput (0, TChain::Class()); | |
61 | DefineOutput(0, TTree::Class()); | |
62 | } | |
63 | ||
64 | AliAnalysisTaskME::AliAnalysisTaskME(const AliAnalysisTaskME& obj): | |
65 | AliAnalysisTask(obj), | |
66 | fDebug(0), | |
67 | fEntry(0), | |
68 | fFreshBufferOnly(kFALSE), | |
69 | fInputHandler(0x0), | |
70 | fOutputAOD(0x0), | |
71 | fTreeA(0x0) | |
72 | { | |
73 | // Copy constructor | |
74 | fDebug = obj.fDebug; | |
75 | fEntry = obj.fEntry; | |
76 | fInputHandler = obj.fInputHandler; | |
77 | fOutputAOD = obj.fOutputAOD; | |
78 | fTreeA = obj.fTreeA; | |
79 | } | |
80 | ||
81 | ||
82 | AliAnalysisTaskME& AliAnalysisTaskME::operator=(const AliAnalysisTaskME& other) | |
83 | { | |
84 | // Assignment | |
85 | AliAnalysisTask::operator=(other); | |
86 | fDebug = other.fDebug; | |
87 | fEntry = other.fEntry; | |
88 | fFreshBufferOnly = other.fFreshBufferOnly; | |
89 | fInputHandler = other.fInputHandler; | |
90 | fOutputAOD = other.fOutputAOD; | |
91 | fTreeA = other.fTreeA; | |
92 | return *this; | |
93 | } | |
94 | ||
95 | ||
96 | void AliAnalysisTaskME::ConnectInputData(Option_t* /*option*/) | |
97 | { | |
98 | // Connect the input data | |
99 | if (fDebug > 1) printf("AnalysisTaskME::ConnectInputData() \n"); | |
100 | // | |
101 | // Multi AOD | |
102 | // | |
cd17c2ba | 103 | fInputHandler = dynamic_cast<AliMultiEventInputHandler*> |
b81460ad | 104 | ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler()); |
94d4e23c | 105 | if (fInputHandler == 0) { |
cd17c2ba | 106 | AliFatal("Event Handler has to be MultiEventInputHandler !"); |
94d4e23c | 107 | } else { |
108 | // Check that we have an event pool | |
109 | if (!fInputHandler->GetEventPool()) { | |
110 | fInputHandler->SetEventPool(AliAnalysisManager::GetAnalysisManager()->GetEventPool()); | |
111 | if (!fInputHandler->GetEventPool()) | |
cd17c2ba | 112 | AliFatal("MultiEventInputHandler has no EventPool connected !"); |
94d4e23c | 113 | } |
114 | } | |
b81460ad | 115 | } |
116 | ||
117 | void AliAnalysisTaskME::CreateOutputObjects() | |
118 | { | |
119 | // Create the output container | |
120 | // | |
121 | // Default AOD | |
122 | if (fDebug > 1) printf("AnalysisTaskME::CreateOutPutData() \n"); | |
123 | ||
124 | AliAODHandler* handler = (AliAODHandler*) | |
125 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
126 | ||
127 | if (handler) { | |
128 | fOutputAOD = handler->GetAOD(); | |
129 | fTreeA = handler->GetTree(); | |
130 | } else { | |
131 | AliWarning("No AOD Event Handler connected.") ; | |
132 | } | |
133 | UserCreateOutputObjects(); | |
134 | } | |
135 | ||
136 | void AliAnalysisTaskME::Exec(Option_t* option) | |
137 | { | |
138 | // | |
139 | // Exec analysis of one event | |
e7d9460a | 140 | |
b81460ad | 141 | if (fDebug > 1) AliInfo("AliAnalysisTaskME::Exec() \n"); |
142 | if( fInputHandler ) | |
143 | fEntry = fInputHandler->GetReadEntry(); | |
144 | if ( !((Entry()-1)%100) && fDebug > 0) | |
145 | AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry())); | |
15917707 | 146 | |
147 | AliAODHandler* outputHandler = (AliAODHandler*) | |
148 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
b81460ad | 149 | // Call the user analysis |
150 | if (fInputHandler->IsBufferReady()) { | |
151 | if ((fFreshBufferOnly && fInputHandler->IsFreshBuffer()) || !fFreshBufferOnly) | |
152 | { | |
cd17c2ba | 153 | if (outputHandler) outputHandler->SetFillAOD(kTRUE); |
b81460ad | 154 | UserExec(option); |
155 | PostData(0, fTreeA); | |
15917707 | 156 | } else { |
cd17c2ba | 157 | if (outputHandler) outputHandler->SetFillAOD(kFALSE); |
b81460ad | 158 | } |
e7d9460a | 159 | } else { |
160 | AliInfo(Form("Waiting for buffer to be ready !\n")); | |
b81460ad | 161 | } |
162 | } | |
163 | ||
164 | const char* AliAnalysisTaskME::CurrentFileName() | |
165 | { | |
166 | // Returns the current file name | |
167 | if(fInputHandler ) | |
168 | return fInputHandler->GetTree()->GetCurrentFile()->GetName(); | |
169 | else return ""; | |
170 | } | |
171 | ||
c8fe2783 | 172 | void AliAnalysisTaskME::AddAODBranch(const char* cname, void* addobj, const char *fname) |
b81460ad | 173 | { |
174 | // Add a new branch to the aod tree | |
175 | AliAODHandler* handler = (AliAODHandler*) | |
176 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
177 | if (handler) { | |
c8fe2783 | 178 | handler->AddBranch(cname, addobj, fname); |
b81460ad | 179 | } |
180 | } | |
181 | ||
cd17c2ba | 182 | AliVEvent* AliAnalysisTaskME::GetEvent(Int_t iev) |
b81460ad | 183 | { |
184 | // Get an event from the input handler | |
185 | return (fInputHandler->GetEvent(iev)); | |
186 | } | |
187 |