Framework/src/EventSetupProviderMaker.cc

0001 // -*- C++ -*-
0002 //
0003
0004 // user include files
0005 #include "FWCore/Framework/src/EventSetupProviderMaker.h"
0006
0007 #include "FWCore/Framework/interface/ComponentDescription.h"
0008 #include "FWCore/Framework/interface/EventSetupProvider.h"
0009 #include "FWCore/Framework/interface/ModuleFactory.h"
0010 #include "FWCore/Framework/interface/SourceFactory.h"
0011 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
0012 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0013 #include "FWCore/ParameterSet/interface/ParameterSetDescriptionFillerBase.h"
0014 #include "FWCore/ParameterSet/interface/ParameterSetDescriptionFillerPluginFactory.h"
0015 #include "FWCore/Utilities/interface/EDMException.h"
0016 #include "FWCore/Utilities/interface/Exception.h"
0017
0018 #include <exception>
0019 #include <string>
0020
0021 namespace edm {
0022   namespace eventsetup {
0023     // ---------------------------------------------------------------
0024     std::unique_ptr<EventSetupProvider> makeEventSetupProvider(ParameterSet const& params,
0025                                                                unsigned subProcessIndex,
0026                                                                ActivityRegistry* activityRegistry) {
0027       std::vector<std::string> prefers = params.getParameter<std::vector<std::string> >("@all_esprefers");
0028
0029       if (prefers.empty()) {
0030         return std::make_unique<EventSetupProvider>(activityRegistry, subProcessIndex);
0031       }
0032
0033       EventSetupProvider::PreferredProviderInfo preferInfo;
0034       EventSetupProvider::RecordToDataMap recordToData;
0035
0036       //recordToData.insert(std::make_pair(std::string("DummyRecord"),
0037       //      std::make_pair(std::string("DummyData"), std::string())));
0038       //preferInfo[ComponentDescription("DummyESProductResolverProvider", "", false)]=
0039       //      recordToData;
0040
0041       for (std::vector<std::string>::iterator itName = prefers.begin(), itNameEnd = prefers.end(); itName != itNameEnd;
0042            ++itName) {
0043         recordToData.clear();
0044         ParameterSet const& preferPSet = params.getParameterSet(*itName);
0045         std::vector<std::string> recordNames = preferPSet.getParameterNames();
0046         for (std::vector<std::string>::iterator itRecordName = recordNames.begin(), itRecordNameEnd = recordNames.end();
0047              itRecordName != itRecordNameEnd;
0048              ++itRecordName) {
0049           if ((*itRecordName)[0] == '@') {
0050             //this is a 'hidden parameter' so skip it
0051             continue;
0052           }
0053
0054           //this should be a record name with its info
0055           try {
0056             std::vector<std::string> dataInfo = preferPSet.getParameter<std::vector<std::string> >(*itRecordName);
0057
0058             if (dataInfo.empty()) {
0059               //FUTURE: empty should just mean all data
0060               throw Exception(errors::Configuration)
0061                   << "The record named " << *itRecordName << " specifies no data items";
0062             }
0063             //FUTURE: 'any' should be a special name
0064             for (std::vector<std::string>::iterator itDatum = dataInfo.begin(), itDatumEnd = dataInfo.end();
0065                  itDatum != itDatumEnd;
0066                  ++itDatum) {
0067               std::string datumName(*itDatum, 0, itDatum->find_first_of("/"));
0068               std::string labelName;
0069
0070               if (itDatum->size() != datumName.size()) {
0071                 labelName = std::string(*itDatum, datumName.size() + 1);
0072               }
0073               recordToData.insert(std::make_pair(std::string(*itRecordName), std::make_pair(datumName, labelName)));
0074             }
0075           } catch (cms::Exception const& iException) {
0076             cms::Exception theError("ESPreferConfigurationError");
0077             theError << "While parsing the es_prefer statement for type="
0078                      << preferPSet.getParameter<std::string>("@module_type") << " label=\""
0079                      << preferPSet.getParameter<std::string>("@module_label") << "\" an error occurred.";
0080             theError.append(iException);
0081             throw theError;
0082           }
0083         }
0084         preferInfo[ComponentDescription(preferPSet.getParameter<std::string>("@module_type"),
0085                                         preferPSet.getParameter<std::string>("@module_label"),
0086                                         ComponentDescription::unknownID(),
0087                                         false)] = recordToData;
0088       }
0089       return std::make_unique<EventSetupProvider>(activityRegistry, subProcessIndex, &preferInfo);
0090     }
0091
0092     // ---------------------------------------------------------------
0093     void fillEventSetupProvider(ModuleTypeResolverMaker const* resolverMaker,
0094                                 EventSetupsController& esController,
0095                                 EventSetupProvider& cp,
0096                                 ParameterSet& params) {
0097       std::vector<std::string> providers = params.getParameter<std::vector<std::string> >("@all_esmodules");
0098
0099       for (std::vector<std::string>::iterator itName = providers.begin(), itNameEnd = providers.end();
0100            itName != itNameEnd;
0101            ++itName) {
0102         ParameterSet* providerPSet = params.getPSetForUpdate(*itName);
0103         ModuleFactory::get()->addTo(esController, cp, *providerPSet, resolverMaker);
0104       }
0105
0106       std::vector<std::string> sources = params.getParameter<std::vector<std::string> >("@all_essources");
0107
0108       for (std::vector<std::string>::iterator itName = sources.begin(), itNameEnd = sources.end(); itName != itNameEnd;
0109            ++itName) {
0110         ParameterSet* providerPSet = params.getPSetForUpdate(*itName);
0111         SourceFactory::get()->addTo(esController, cp, *providerPSet, resolverMaker);
0112       }
0113     }
0114   }  // namespace eventsetup
0115 }  // namespace edm