Framework/src/ESProductResolverFactoryProducer.cc

0001 // -*- C++ -*-
0002 //
0003 // Package:     Framework
0004 // Class  :     ESProductResolverFactoryProducer
0005 //
0006 // Implementation:
0007 //     <Notes on implementation>
0008 //
0009 // Author:      Chris Jones
0010 // Created:     Thu Apr  7 21:36:15 CDT 2005
0011 //
0012
0013 // system include files
0014 #include <algorithm>
0015 #include <cassert>
0016
0017 // user include files
0018 #include "FWCore/Framework/interface/ESProductResolverFactoryProducer.h"
0019 #include "FWCore/Framework/interface/ESProductResolverFactoryBase.h"
0020
0021 #include "FWCore/Framework/interface/ESProductResolver.h"
0022
0023 #include "FWCore/Utilities/interface/Exception.h"
0024
0025 using namespace edm::eventsetup;
0026 namespace edm {
0027
0028   using Record2Factories = std::multimap<EventSetupRecordKey, FactoryInfo>;
0029
0030   ESProductResolverFactoryProducer::ESProductResolverFactoryProducer() : record2Factories_() {}
0031
0032   ESProductResolverFactoryProducer::~ESProductResolverFactoryProducer() noexcept(false) {}
0033
0034   ESProductResolverProvider::KeyedResolversVector ESProductResolverFactoryProducer::registerResolvers(
0035       const EventSetupRecordKey& iRecord, unsigned int iovIndex) {
0036     KeyedResolversVector keyedResolversVector;
0037     using Iterator = Record2Factories::iterator;
0038     std::pair<Iterator, Iterator> range = record2Factories_.equal_range(iRecord);
0039     for (Iterator it = range.first; it != range.second; ++it) {
0040       std::shared_ptr<ESProductResolver> resolver(it->second.factory_->makeResolver(iovIndex).release());
0041       if (nullptr != resolver.get()) {
0042         keyedResolversVector.emplace_back((*it).second.key_, resolver);
0043       }
0044     }
0045     return keyedResolversVector;
0046   }
0047
0048   void ESProductResolverFactoryProducer::registerFactoryWithKey(const EventSetupRecordKey& iRecord,
0049                                                                 std::unique_ptr<ESProductResolverFactoryBase> iFactory,
0050                                                                 const std::string& iLabel) {
0051     if (nullptr == iFactory.get()) {
0052       assert(false && "Factor pointer was null");
0053       ::exit(1);
0054     }
0055
0056     usingRecordWithKey(iRecord);
0057
0058     std::shared_ptr<ESProductResolverFactoryBase> temp(iFactory.release());
0059     FactoryInfo info(temp->makeKey(iLabel), temp);
0060
0061     //has this already been registered?
0062     std::pair<Record2Factories::const_iterator, Record2Factories::const_iterator> range =
0063         record2Factories_.equal_range(iRecord);
0064     if (range.second !=
0065         std::find_if(range.first, range.second, [&info](const auto& r2f) { return r2f.second.key_ == info.key_; })) {
0066       throw cms::Exception("IdenticalProducts")
0067           << "Producer has been asked to produce " << info.key_.type().name() << " \"" << info.key_.name().value()
0068           << "\" multiple times.\n Please modify the code.";
0069     }
0070
0071     record2Factories_.insert(Record2Factories::value_type(iRecord, std::move(info)));
0072   }
0073
0074 }  // namespace edm