Access to TreeK (E. Lopez)
[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisTaskSE.cxx
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5232d0de 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 "AliAnalysisTaskSE.h"
26#include "AliAnalysisManager.h"
27#include "AliESDEvent.h"
28#include "AliESD.h"
29#include "AliAODEvent.h"
30#include "AliVEvent.h"
31#include "AliAODHandler.h"
32#include "AliMCEventHandler.h"
33#include "AliInputEventHandler.h"
34#include "AliMCEvent.h"
35#include "AliStack.h"
4d0a82af 36#include "AliLog.h"
5232d0de 37
38
39ClassImp(AliAnalysisTaskSE)
40
41////////////////////////////////////////////////////////////////////////
42
43AliAnalysisTaskSE::AliAnalysisTaskSE():
44 AliAnalysisTask(),
45 fDebug(0),
80d13558 46 fEntry(0),
5232d0de 47 fInputEvent(0x0),
80d13558 48 fInputHandler(0x0),
5232d0de 49 fOutputAOD(0x0),
50 fMCEvent(0x0),
51 fTreeA(0x0)
52{
53 // Default constructor
54}
55
56AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
57 AliAnalysisTask(name, "AnalysisTaskSE"),
58 fDebug(0),
80d13558 59 fEntry(0),
5232d0de 60 fInputEvent(0x0),
80d13558 61 fInputHandler(0x0),
5232d0de 62 fOutputAOD(0x0),
63 fMCEvent(0x0),
64 fTreeA(0x0)
65{
66 // Default constructor
67 DefineInput (0, TChain::Class());
68 DefineOutput(0, TTree::Class());
69}
70
26f071d8 71AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
72 AliAnalysisTask(obj),
73 fDebug(0),
80d13558 74 fEntry(0),
26f071d8 75 fInputEvent(0x0),
80d13558 76 fInputHandler(0x0),
26f071d8 77 fOutputAOD(0x0),
78 fMCEvent(0x0),
79 fTreeA(0x0)
80{
81// Copy constructor
80d13558 82 fDebug = obj.fDebug;
83 fEntry = obj.fEntry;
84 fInputEvent = obj.fInputEvent;
85 fInputHandler = obj.fInputHandler;
86 fOutputAOD = obj.fOutputAOD;
87 fMCEvent = obj.fMCEvent;
88 fTreeA = obj.fTreeA;
f0b15803 89 printf("Constructor (3) \n");
26f071d8 90}
91
92
93AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
94{
95// Assignment
96 AliAnalysisTask::operator=(other);
80d13558 97 fDebug = other.fDebug;
98 fEntry = other.fEntry;
99 fInputEvent = other.fInputEvent;
100 fInputHandler = other.fInputHandler;
101 fOutputAOD = other.fOutputAOD;
102 fMCEvent = other.fMCEvent;
103 fTreeA = other.fTreeA;
26f071d8 104 return *this;
105}
5232d0de 106
107
108void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
109{
110// Connect the input data
111 if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
112//
113// ESD
114//
f0b15803 115 fInputHandler = (AliInputEventHandler*)
5232d0de 116 ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
4d0a82af 117 if (fInputHandler) {
118 fInputEvent = fInputHandler->GetEvent();
119 } else {
120 AliError("No Input Event Handler connected") ;
121 return ;
122 }
5232d0de 123//
124// Monte Carlo
125//
126 AliMCEventHandler* mcH = 0;
127 mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
128 if (mcH) fMCEvent = mcH->MCEvent();
129}
130
131void AliAnalysisTaskSE::CreateOutputObjects()
132{
133// Create the output container
134//
135// Default AOD
136 if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
137
138 AliAODHandler* handler = (AliAODHandler*)
139 ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
140
141 fOutputAOD = handler->GetAOD();
142 fTreeA = handler->GetTree();
143 UserCreateOutputObjects();
144}
145
146void AliAnalysisTaskSE::Exec(Option_t* option)
147{
148//
149// Exec analysis of one event
f0b15803 150 if (fDebug > 1) printf("AliAnalysisTaskSE::Exec() \n");
80d13558 151 fEntry = fInputHandler->GetReadEntry();
4d0a82af 152 if ( !((Entry()-1)%100) && fDebug > 0)
153 AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
154// Call the user analysis
5232d0de 155 UserExec(option);
2d108f6e 156 PostData(0, fTreeA);
157
5232d0de 158}
159
4d0a82af 160const char* AliAnalysisTaskSE::CurrentFileName()
161{
162// Returns the current file name
163 return fInputHandler->GetTree()->GetCurrentFile()->GetName();
164}
5232d0de 165