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c5e33610 | 1 | // |
2 | // Class AliMixEventInputHandler | |
3 | // | |
4 | // Mixing input handler prepare N events before UserExec | |
5 | // TODO example | |
6 | // author: | |
7 | // Martin Vala (martin.vala@cern.ch) | |
8 | // | |
9 | ||
10 | #include <TFile.h> | |
11 | #include <TChain.h> | |
12 | #include <TEntryList.h> | |
13 | #include "AliLog.h" | |
14 | #include "AliMixEventPool.h" | |
15 | #include "AliMixEventInputHandler.h" | |
16 | #include "AliAnalysisManager.h" | |
17 | ||
18 | #include "AliMixInputHandlerInfo.h" | |
19 | #include <TChainElement.h> | |
20 | ||
21 | ClassImp(AliMixEventInputHandler) | |
22 | ||
23 | //_____________________________________________________________________________ | |
24 | AliMixEventInputHandler::AliMixEventInputHandler(const Int_t size) : | |
25 | AliInputEventHandler(), | |
26 | fBufferSize(size), | |
27 | fInputHandlers(), | |
28 | fMixTrees(), | |
29 | fTreeMap(size), | |
30 | fMixIntupHandlerInfoTmp(0), | |
31 | fEntryCounter(0), | |
32 | fEventPool(0), | |
33 | fMixEventNumber(0) { | |
34 | // | |
35 | // Default constructor. | |
36 | // | |
37 | AliDebug(AliLog::kDebug + 10, "<-"); | |
38 | AliDebug(AliLog::kDebug + 10, "->"); | |
39 | } | |
40 | ||
41 | //_____________________________________________________________________________ | |
42 | AliInputEventHandler* AliMixEventInputHandler::InputEventHandler(const Int_t index) { | |
43 | // | |
44 | // Returns input handler | |
45 | // | |
46 | AliDebug(AliLog::kDebug, Form("<-")); | |
47 | if ((index >= 0) && (index < fBufferSize)) { | |
48 | AliDebug(AliLog::kDebug, Form("->")); | |
49 | return (AliInputEventHandler*) fInputHandlers.At(index); | |
50 | } | |
51 | AliDebug(AliLog::kDebug, Form("->")); | |
52 | return 0; | |
53 | } | |
54 | //_____________________________________________________________________________ | |
55 | void AliMixEventInputHandler::SetInputHandlerForMixing(const AliInputEventHandler*const inHandler) { | |
56 | // | |
57 | // Create N (fBufferSize) copies of input handler | |
58 | // | |
59 | AliDebug(AliLog::kDebug, Form("<-")); | |
60 | AliDebug(AliLog::kDebug, Form("Creating %d input event handlers ...", fBufferSize)); | |
61 | for (Int_t i = 0;i < fBufferSize;i++) { | |
62 | AliDebug(AliLog::kDebug + 5, Form("Adding %d ...", i)); | |
63 | fInputHandlers.Add((AliInputEventHandler*) inHandler->Clone()); | |
64 | } | |
65 | AliDebug(AliLog::kDebug, Form("->")); | |
66 | } | |
67 | //_____________________________________________________________________________ | |
68 | Bool_t AliMixEventInputHandler::Init(Option_t*opt) { | |
69 | // | |
70 | // Init() is called for all mix input handlers. | |
71 | // | |
72 | AliDebug(AliLog::kDebug, Form("<- \"%s\"", opt)); | |
73 | AliInputEventHandler *eh = 0; | |
74 | TObjArrayIter next(&fInputHandlers); | |
75 | while ((eh = (AliInputEventHandler *) next())) { | |
76 | eh->Init(opt); | |
77 | } | |
78 | AliDebug(AliLog::kDebug, Form("->")); | |
79 | return kTRUE; | |
80 | } | |
81 | //_____________________________________________________________________________ | |
82 | Bool_t AliMixEventInputHandler::Init(TTree* tree, Option_t*) { | |
83 | // | |
84 | // Init(const char*path) is called for all mix input handlers. | |
85 | // Create event pool if needed | |
86 | // | |
87 | AliDebug(AliLog::kDebug, Form("<- %p", tree)); | |
88 | if (!tree) { | |
89 | AliDebug(AliLog::kDebug, Form("->")); | |
90 | return kFALSE; | |
91 | } | |
92 | AliDebug(AliLog::kDebug, Form("%s", tree->GetCurrentFile()->GetName())); | |
93 | ||
94 | // clears array of input handlers | |
95 | fMixTrees.SetOwner(kTRUE); | |
96 | fMixTrees.Clear(); | |
97 | ||
98 | // create AliMixInputHandlerInfo | |
99 | if (!fMixIntupHandlerInfoTmp) fMixIntupHandlerInfoTmp = new AliMixInputHandlerInfo(tree->GetName()); | |
100 | ||
101 | // adds current file | |
102 | fMixIntupHandlerInfoTmp->AddTreeToChain(tree); | |
103 | Int_t lastIndex = fMixIntupHandlerInfoTmp->GetChain()->GetListOfFiles()->GetEntries(); | |
104 | TChainElement *che = (TChainElement *)fMixIntupHandlerInfoTmp->GetChain()->GetListOfFiles()->At(lastIndex - 1); | |
105 | AliMixInputHandlerInfo *mixIHI = 0; | |
106 | for (Int_t i = 0;i < fInputHandlers.GetEntries();i++) { | |
107 | ||
108 | AliDebug(AliLog::kDebug, Form("fInputHandlers[%d]", i)); | |
109 | mixIHI = new AliMixInputHandlerInfo(fMixIntupHandlerInfoTmp->GetName(), fMixIntupHandlerInfoTmp->GetTitle()); | |
110 | mixIHI->PrepareEntry(che, -1, InputEventHandler(i)); | |
111 | AliDebug(AliLog::kDebug, Form("chain[%d]->GetEntries() = %lld", i, mixIHI->GetChain()->GetEntries())); | |
112 | fMixTrees.Add(mixIHI); | |
113 | } | |
114 | AliDebug(AliLog::kDebug, Form("fEntryCounter=%lld", fEntryCounter)); | |
115 | ||
116 | if (fEventPool->NeedInit()) | |
117 | fEventPool->Init(); | |
118 | ||
119 | AliDebug(AliLog::kDebug, Form("->")); | |
120 | return kTRUE; | |
121 | } | |
122 | //_____________________________________________________________________________ | |
123 | Bool_t AliMixEventInputHandler::Notify() { | |
124 | // | |
125 | // Notify() is called for all mix input handlers | |
126 | // | |
127 | AliDebug(AliLog::kDebug, Form("<-")); | |
128 | AliInputEventHandler *eh = 0; | |
129 | TObjArrayIter next(&fInputHandlers); | |
130 | while ((eh = (AliInputEventHandler *) next())) { | |
131 | eh->Notify(); | |
132 | } | |
133 | AliDebug(AliLog::kDebug, Form("->")); | |
134 | return kTRUE; | |
135 | } | |
136 | ||
137 | //_____________________________________________________________________________ | |
138 | Bool_t AliMixEventInputHandler::Notify(const char*path) { | |
139 | // | |
140 | // Notify(const char*path) is called for all mix input handlers | |
141 | // | |
142 | AliDebug(AliLog::kDebug, Form("<- %s", path)); | |
143 | AliInputEventHandler *eh = 0; | |
144 | TObjArrayIter next(&fInputHandlers); | |
145 | while ((eh = (AliInputEventHandler *) next())) { | |
146 | eh->Notify(path); | |
147 | } | |
148 | AliDebug(AliLog::kDebug, Form("->")); | |
149 | return kTRUE; | |
150 | } | |
151 | //_____________________________________________________________________________ | |
152 | Bool_t AliMixEventInputHandler::BeginEvent(Long64_t entry) { | |
153 | // | |
154 | // BeginEvent(Long64_t entry) is called for all mix input handlers | |
155 | // | |
156 | ||
157 | AliDebug(AliLog::kDebug, Form("-> %lld", entry)); | |
158 | AliInputEventHandler *eh = 0; | |
159 | TObjArrayIter next(&fInputHandlers); | |
160 | while ((eh = (AliInputEventHandler *) next())) { | |
161 | eh->BeginEvent(entry); | |
162 | } | |
163 | AliDebug(AliLog::kDebug, Form("->")); | |
164 | return kTRUE; | |
165 | } | |
166 | ||
167 | ||
168 | //_____________________________________________________________________________ | |
169 | Bool_t AliMixEventInputHandler::GetEntry() { | |
170 | // | |
171 | // Sets correct events to every mix events | |
172 | // | |
173 | AliDebug(AliLog::kDebug, Form("<-")); | |
174 | ||
175 | AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager(); | |
176 | AliInputEventHandler *inEvHMain = dynamic_cast<AliInputEventHandler *>(mgr->GetInputEventHandler()); | |
177 | ||
178 | Long64_t zeroChainEntries = fMixIntupHandlerInfoTmp->GetChain()->GetEntries() - inEvHMain->GetTree()->GetEntries(); | |
179 | ||
180 | // if fEntryCounter is 0 just add entry | |
181 | if (!fEntryCounter) { | |
182 | if (inEvHMain) { | |
183 | ||
184 | fEventPool->AddEntry(inEvHMain->GetTree()->GetReadEntry() + zeroChainEntries, inEvHMain->GetEvent()); | |
185 | } | |
186 | return kTRUE; | |
187 | } | |
188 | ||
189 | AliDebug(AliLog::kDebug, Form("++++++++++++++ BEGIN SETUP EVENT %lld +++++++++++++++++++", fEntryCounter)); | |
190 | ||
191 | fMixEventNumber = 0; | |
192 | TEntryList *el = fEventPool->FindEntryList(inEvHMain->GetEvent()); | |
193 | Long64_t elNum = 0; | |
194 | if (el) | |
195 | elNum = el->GetN(); | |
196 | else | |
197 | AliDebug(AliLog::kDebug, "el is null"); | |
198 | ||
199 | AliInputEventHandler *eh = 0; | |
200 | AliMixInputHandlerInfo *mihi = 0; | |
201 | TObjArrayIter next(&fInputHandlers); | |
202 | Int_t counter = 0; | |
203 | Long64_t entryMix = 0; | |
204 | while ((eh = (AliInputEventHandler *) next())) { | |
205 | if (fEventPool->GetListOfEventCuts()->GetEntries() > 0) { | |
206 | entryMix = -1; | |
207 | if (el && el->GetN() >= fBufferSize) { | |
208 | Long64_t entryInEntryList = elNum - 1 - counter; | |
209 | if (entryInEntryList < 0) break; | |
210 | entryMix = el->GetEntry(entryInEntryList); | |
211 | } | |
212 | } else { | |
213 | entryMix = fEntryCounter - 1 - counter ; | |
214 | } | |
215 | ||
216 | AliDebug(AliLog::kDebug, Form("Handler[%d] entryMix %lld ", counter, entryMix)); | |
217 | if (entryMix < 0) break; | |
218 | ||
219 | mihi = (AliMixInputHandlerInfo*) fMixTrees.At(counter); | |
220 | TChainElement *te = fMixIntupHandlerInfoTmp->GetEntryInTree(entryMix); | |
221 | mihi->PrepareEntry(te, entryMix, InputEventHandler(counter)); | |
222 | fMixEventNumber++; | |
223 | counter++; | |
224 | } | |
225 | ||
226 | if (inEvHMain) { | |
227 | fEventPool->AddEntry(inEvHMain->GetTree()->GetReadEntry() + zeroChainEntries, inEvHMain->GetEvent()); | |
228 | } | |
229 | ||
230 | AliDebug(AliLog::kDebug, Form("fEntryCounter=%lld fMixEventNumber=%d", fEntryCounter, fMixEventNumber)); | |
231 | AliDebug(AliLog::kDebug, Form("++++++++++++++ END SETUP EVENT %lld +++++++++++++++++++", fEntryCounter)); | |
232 | AliDebug(AliLog::kDebug, Form("->")); | |
233 | return kTRUE; | |
234 | } | |
235 | //_____________________________________________________________________________ | |
236 | Bool_t AliMixEventInputHandler::FinishEvent() { | |
237 | // | |
238 | // FinishEvent() is called for all mix input handlers | |
239 | // | |
240 | AliDebug(AliLog::kDebug, Form("<-")); | |
241 | AliInputEventHandler *eh = 0; | |
242 | TObjArrayIter next(&fInputHandlers); | |
243 | while ((eh = (AliInputEventHandler *) next())) { | |
244 | eh->FinishEvent(); | |
245 | } | |
246 | fEntryCounter++; | |
247 | AliDebug(AliLog::kDebug, Form("->")); | |
248 | return kTRUE; | |
249 | } |