CMSSW Reference Manual

00001 
00002 // File: HcalTestHistoManager.cc
00003 // Description: Histogram managing class in HcalTestAnalysis (HcalTest)
00005 
00006 #include "SimG4CMS/Calo/interface/HcalTestHistoManager.h"
00007 #include "SimDataFormats/CaloTest/interface/HcalTestHistoClass.h"
00008 
00009 #include "FWCore/PluginManager/interface/PluginManager.h"
00010 #include "POOLCore/Token.h"
00011 #include "FileCatalog/URIParser.h"
00012 #include "FileCatalog/FCSystemTools.h"
00013 #include "FileCatalog/IFileCatalog.h"
00014 #include "StorageSvc/DbType.h"
00015 #include "PersistencySvc/DatabaseConnectionPolicy.h"
00016 #include "PersistencySvc/ISession.h"
00017 #include "PersistencySvc/ITransaction.h"
00018 #include "PersistencySvc/IDatabase.h"
00019 #include "PersistencySvc/Placement.h"
00020 #include "DataSvc/DataSvcFactory.h"
00021 #include "DataSvc/IDataSvc.h"
00022 #include "DataSvc/ICacheSvc.h"
00023 
00024 #include <iostream>
00025 #include <cmath>
00026 
00027 HcalTestHistoManager::HcalTestHistoManager(const std::string & file) : 
00028   svc(pool::DataSvcFactory::instance(&lcat)),
00029   placeH(file, pool::DatabaseSpecification::PFN, "HcalTestAnalysis", 
00030          ROOT::Reflex::Type(), pool::ROOTTREE_StorageType.type()), h(*svc) {
00031   
00032   pool::URIParser p("file:HcalTestHistoCatalog.cat");
00033   p.parse();
00034  
00035   lcat.setWriteCatalog(p.contactstring());
00036  
00037   lcat.connect();
00038   lcat.start();
00039 
00040   // Define the policy for the implicit file handling
00041   pool::DatabaseConnectionPolicy policy;
00042   policy.setWriteModeForNonExisting(pool::DatabaseConnectionPolicy::CREATE);
00043   policy.setWriteModeForExisting(pool::DatabaseConnectionPolicy::OVERWRITE);
00044   // policy.setWriteModeForExisting(pool::DatabaseConnectionPolicy::UPDATE);
00045   svc->session().setDefaultConnectionPolicy(policy);
00046   
00047   edm::LogInfo("HcalSim") << "HcalTestHistoManager:===>>>  Book user"
00048                           << " Histograms and Root tree";
00049 }
00050 
00051 HcalTestHistoManager::~HcalTestHistoManager() {
00052 
00053   edm::LogInfo("HcalSim") << "============================================="
00054                           << "==============\n"
00055                           << "=== HcalTestHistoManager: Start writing user "
00056                           << "histograms ===";
00057 
00058   svc->transaction().commit();
00059   svc->session().disconnectAll();
00060   edm::LogInfo("HcalSim") << "=== HcalTestHistoManager: cache size at end " 
00061                           << svc->cacheSvc().cacheSize();
00062   lcat.commit();
00063  
00064   edm::LogInfo("HcalSim") << "=== HcalTestHistoManager: End   writing user "
00065                           << "histograms ===\n"
00066                           << "============================================="
00067                           << "==============";
00068 }
00069 
00070 void HcalTestHistoManager::fillTree(HcalTestHistoClass *  histos) {
00071 
00072   svc->transaction().start(pool::ITransaction::UPDATE);
00073   LogDebug("HcalSim") << "HcalTestHistoManager: tree pointer = " << histos;
00074   LogDebug("HcalSim") << "HcalTestHistoManager: cache size before assign " 
00075                       << svc->cacheSvc().cacheSize();
00076 
00077   h = histos;
00078   h.markWrite(placeH);
00079   svc->transaction().commitAndHold();
00080 }