File indexing completed on 2024-04-06 12:12:59
0001 #include "FWCore/PluginManager/interface/PresenceFactory.h"
0002 #include "FWCore/Utilities/interface/EDMException.h"
0003 #include "FWCore/Utilities/interface/DebugMacros.h"
0004 #include "FWCore/Utilities/interface/thread_safety_macros.h"
0005
0006 #include <iostream>
0007
0008 EDM_REGISTER_PLUGINFACTORY(edm::PresencePluginFactory, "CMS EDM Framework Presence");
0009
0010 namespace edm {
0011
0012 PresenceFactory::~PresenceFactory() {}
0013
0014 PresenceFactory::PresenceFactory() {}
0015
0016 PresenceFactory* PresenceFactory::get() {
0017 CMS_THREAD_SAFE static PresenceFactory singleInstance_;
0018 return &singleInstance_;
0019 }
0020
0021 std::unique_ptr<Presence> PresenceFactory::makePresence(std::string const& presence_type) const {
0022 std::unique_ptr<Presence> sp(PresencePluginFactory::get()->create(presence_type));
0023
0024 if (sp.get() == nullptr) {
0025 throw edm::Exception(errors::Configuration, "NoPresenceModule")
0026 << "Presence Factory:\n"
0027 << "Cannot find presence type: " << presence_type << "\n"
0028 << "Perhaps the name is misspelled or is not a Plugin?\n"
0029 << "Try running EdmPluginDump to obtain a list of available Plugins.";
0030 }
0031
0032 FDEBUG(1) << "PresenceFactory: created presence " << presence_type << std::endl;
0033
0034 return sp;
0035 }
0036 }
