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/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/IOPool/Common/src/RootServiceChecker.cc

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00001 #include "IOPool/Common/interface/RootServiceChecker.h"
00002 #include "FWCore/ServiceRegistry/interface/Service.h"
00003 #include "FWCore/Utilities/interface/EDMException.h"
00004 #include "FWCore/Utilities/interface/RootHandlers.h"
00005 
00006 namespace edm {
00007   RootServiceChecker::RootServiceChecker() {
00008     Service<RootHandlers> rootSvc;
00009     if (!rootSvc.isAvailable()) {
00010       throw edm::Exception(errors::Configuration) <<
00011             "The 'InitRootHandlers' service was not specified.\n" <<
00012             "This service must be used if PoolSource or PoolOutputModule is used.\n";
00013     }
00014   }
00015 }
00016