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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 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // access classes for a data base in a LOCAL file // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | ||
25 | #include <TFile.h> | |
26 | #include <TKey.h> | |
27 | #include <TROOT.h> | |
28 | #include "AliLog.h" | |
29 | #include "AliCDBEntry.h" | |
30 | #include "AliCDBMetaData.h" | |
31 | #include "AliCDBDump.h" | |
32 | ||
33 | ||
34 | ClassImp(AliCDBDump) | |
35 | ||
36 | ||
37 | //_____________________________________________________________________________ | |
38 | AliCDBDump::AliCDBDump(const char* fileName, Bool_t readOnly) : | |
39 | AliCDBStorage(), | |
40 | fFile(NULL) | |
41 | { | |
42 | // constructor | |
43 | ||
44 | if (!fileName) { | |
45 | AliError("no file name given"); | |
46 | return; | |
47 | } | |
48 | TDirectory* saveDir = gDirectory; | |
49 | fFile = TFile::Open(fileName, ((readOnly) ? "READ" : "UPDATE")); | |
50 | if (saveDir) saveDir->cd(); else gROOT->cd(); | |
51 | if (!fFile || !fFile->IsOpen()) { | |
52 | AliError(Form("could not open file %s", fileName)); | |
53 | fFile = NULL; | |
54 | } | |
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliCDBDump::~AliCDBDump() | |
59 | { | |
60 | // destructor | |
61 | ||
62 | if (fFile) { | |
63 | fFile->Close(); | |
64 | delete fFile; | |
65 | } | |
66 | } | |
67 | ||
68 | //_____________________________________________________________________________ | |
69 | AliCDBDump::AliCDBDump(const AliCDBDump& /*db*/) : | |
70 | AliCDBStorage(), | |
71 | fFile(NULL) | |
72 | { | |
73 | // copy constructor | |
74 | ||
75 | AliFatal("not implemented"); | |
76 | } | |
77 | ||
78 | //_____________________________________________________________________________ | |
79 | AliCDBDump& AliCDBDump::operator = (const AliCDBDump& /*db*/) | |
80 | { | |
81 | // assignment operator | |
82 | ||
83 | AliFatal("not implemented"); | |
84 | return *this; | |
85 | } | |
86 | ||
87 | ||
88 | //_____________________________________________________________________________ | |
89 | AliCDBEntry* AliCDBDump::GetEntry(AliCDBMetaDataSelect& selMetaData, Int_t runNumber) | |
90 | { | |
91 | // get an object from the data base | |
92 | ||
93 | // go to the directory | |
94 | TDirectory* saveDir = gDirectory; | |
95 | TDirectory *dir = fFile; | |
96 | TString name(selMetaData.GetName()); | |
97 | Int_t last = name.Last('/'); | |
98 | if (last < 0) { | |
99 | fFile->cd(); | |
100 | } else { | |
101 | TString dirName(name(0, last)); | |
102 | if (!dir->cd(dirName)) { | |
103 | AliError(Form("no directory %s found", dirName.Data())); | |
104 | if (saveDir) saveDir->cd(); else gROOT->cd(); | |
105 | return NULL; | |
106 | } | |
107 | name.Remove(0, last+1); | |
108 | } | |
109 | ||
110 | dir = gDirectory; | |
111 | TKey* key = dir->GetKey(name); | |
112 | if (!key) { | |
113 | AliError(Form("no object with name %s found", selMetaData.GetName())); | |
114 | if (saveDir) saveDir->cd(); else gROOT->cd(); | |
115 | return NULL; | |
116 | } | |
117 | Int_t nCycles = key->GetCycle(); | |
118 | ||
119 | // find the closest entry | |
120 | AliCDBEntry* closestEntry = NULL; | |
121 | for (Int_t iCycle = nCycles; iCycle > 0; iCycle--) { | |
122 | key = dir->GetKey(name, iCycle); | |
123 | ||
124 | if (!key) continue; | |
125 | AliCDBEntry* entry = (AliCDBEntry*) key->ReadObj(); | |
126 | if (!entry) continue; | |
127 | if (!entry->InheritsFrom(AliCDBEntry::Class())) { | |
128 | AliCDBMetaData metaData; | |
129 | entry = new AliCDBEntry(entry, metaData); | |
130 | } | |
131 | if (!entry->GetCDBMetaData().IsStrictlyValid(runNumber, &selMetaData) || | |
132 | (entry->Compare(closestEntry) <= 0)) { | |
133 | delete entry; | |
134 | continue; | |
135 | } | |
136 | delete closestEntry; | |
137 | closestEntry = entry; | |
138 | } | |
139 | if (saveDir) saveDir->cd(); else gROOT->cd(); | |
140 | if(!closestEntry) AliError(Form("No valid entry found for: name %s, version %d, run %d!!!", | |
141 | selMetaData.GetName(),selMetaData.GetVersion(),runNumber)); | |
142 | if (!closestEntry) return NULL; | |
143 | ||
144 | // if(selMetaData.GetVersion() > -1 && (closestEntry->GetCDBMetaData()).GetVersion() != selMetaData.GetVersion()) | |
145 | // AliWarning(Form("Warning: selected version (%d) not found, got version %d instead", | |
146 | // selMetaData.GetVersion(),(closestEntry->GetCDBMetaData()).GetVersion())); | |
147 | ||
148 | return closestEntry; | |
149 | } | |
150 | ||
151 | //_____________________________________________________________________________ | |
152 | Bool_t AliCDBDump::PutEntry(AliCDBEntry* entry) | |
153 | { | |
154 | // puts an object into the database | |
155 | ||
156 | // AliCDBEntry entry is composed by the object and its MetaData | |
157 | // this method takes the metaData, reads the name, runRange and Version | |
158 | // creates the TDirectory structure into the file | |
159 | // looks for runs with same name, if exist increment version | |
160 | // (therefore version should not be put in the metadata) | |
161 | // Note: the key name of the entry is "DetSpecType" | |
162 | // return result | |
163 | ||
164 | if (!entry || !fFile) return kFALSE; | |
165 | if (!fFile->IsWritable()) { | |
166 | AliError(Form("The data base file was opened in read only mode. " | |
167 | "The object %s was not inserted", entry->GetName())); | |
168 | return kFALSE; | |
169 | } | |
170 | ||
171 | fFile->cd(); | |
172 | TDirectory* saveDir = gDirectory; | |
173 | ||
174 | // go to or create the directory | |
175 | TString name(entry->GetName()); | |
176 | while (name.BeginsWith("/")) name.Remove(0); | |
177 | TDirectory* dir = fFile; | |
178 | Int_t index = -1; | |
179 | while ((index = name.Index("/")) >= 0) { | |
180 | TString dirName(name(0, index)); | |
181 | if ((index > 0) && !dir->Get(dirName)) dir->mkdir(dirName); | |
182 | dir->cd(dirName); | |
183 | dir = gDirectory; | |
184 | name.Remove(0, index+1); | |
185 | } | |
186 | ||
187 | // determine the version number | |
188 | Int_t version = 0; | |
189 | TKey* key = dir->GetKey(name); | |
190 | if (key) { | |
191 | Int_t nCycles = key->GetCycle(); | |
192 | for (Int_t iCycle = nCycles; iCycle > 0; iCycle--) { | |
193 | key = dir->GetKey(name, iCycle); | |
194 | if (!key) continue; | |
195 | AliCDBEntry* oldEntry = (AliCDBEntry*) key->ReadObj(); | |
196 | if (!oldEntry) continue; | |
197 | if (oldEntry->InheritsFrom(AliCDBEntry::Class())) { | |
198 | if (version <= oldEntry->GetCDBMetaData().GetVersion()) { | |
199 | version = oldEntry->GetCDBMetaData().GetVersion()+1; | |
200 | } | |
201 | } | |
202 | delete oldEntry; | |
203 | } | |
204 | } | |
205 | entry->SetVersion(version); | |
206 | ||
207 | Bool_t result = (entry->Write(name) != 0); | |
208 | if (saveDir) saveDir->cd(); else gROOT->cd(); | |
209 | ||
210 | if(result) { | |
211 | AliInfo(Form("Run object %s",entry->GetName())); | |
212 | AliInfo(Form("was successfully written into file %s",fFile->GetName())); | |
213 | } | |
214 | ||
215 | return result; | |
216 | } | |
217 | ||
218 | //_____________________________________________________________________________ | |
219 | void AliCDBDump::TagForProduction | |
220 | (const AliCDBMetaDataSelect& /* selMetaData */, UInt_t /* prodVers */){ | |
221 | ||
222 | AliError(Form("Not implemented in this case")); | |
223 | } |