#include <ServicesManager.h>

Classes
struct	MakerHolder

Public Types
typedef std::map< TypeIDBase, MakerHolder >	Type2Maker

typedef std::map< TypeIDBase, std::shared_ptr < ServiceWrapperBase > >	Type2Service

Public Member Functions
void	connect (ActivityRegistry &iOther)
	causes our ActivityRegistry's signals to be forwarded to iOther More...

void	connectTo (ActivityRegistry &iOther)
	causes iOther's signals to be forward to us More...

void	copySlotsFrom (ActivityRegistry &)
	the copy the argument's slots to the our signals More...

void	copySlotsTo (ActivityRegistry &)
	copy our Service's slots to the argument's signals More...

template<typename T >
T &	get () const

template<typename T >
bool	isAvailable () const
	returns true of the particular service is accessible More...

template<typename T >
bool	put (std::shared_ptr< ServiceWrapper< T > > iPtr)
	returns false if put fails because a service of this type already exists More...

	ServicesManager (std::vector< ParameterSet > &iConfiguration)

	ServicesManager (ServiceToken iToken, ServiceLegacy iLegacy, std::vector< ParameterSet > &iConfiguration, bool associate=true)

	~ServicesManager ()

Private Member Functions
void	createServices ()

void	fillListOfMakers (std::vector< ParameterSet > &)

ServicesManager const &	operator= (ServicesManager const &)

	ServicesManager (ServicesManager const &)

Private Attributes
std::vector< TypeIDBase >	actualCreationOrder_

edm::propagate_const < std::shared_ptr < ServicesManager > >	associatedManager_

ActivityRegistry	registry_

std::vector< TypeIDBase >	requestedCreationOrder_

edm::propagate_const < std::unique_ptr< Type2Maker > >	type2Maker_

Type2Service	type2Service_

Detailed Description

Definition at line 43 of file ServicesManager.h.

Member Typedef Documentation

typedef std::map<TypeIDBase, MakerHolder> edm::serviceregistry::ServicesManager::Type2Maker

Definition at line 57 of file ServicesManager.h.

typedef std::map<TypeIDBase, std::shared_ptr<ServiceWrapperBase> > edm::serviceregistry::ServicesManager::Type2Service

Definition at line 56 of file ServicesManager.h.

Constructor & Destructor Documentation

ServicesManager::ServicesManager ( std::vector< ParameterSet > & iConfiguration )

Definition at line 69 of file ServicesManager.cc.

References createServices(), and fillListOfMakers().

                                                                               :
       type2Maker_(new Type2Maker) {
          //First create the list of makers
          fillListOfMakers(iConfiguration);
 
          createServices();
       }

ServicesManager::ServicesManager	(	ServiceToken	iToken,
		ServiceLegacy	iLegacy,
		std::vector< ParameterSet > &	iConfiguration,
		bool	associate = `true`
	)

Takes the services described by iToken and places them into the manager. Conflicts over Services provided by both the iToken and iConfiguration are resolved based on the value of iLegacy

Definition at line 77 of file ServicesManager.cc.

References associatedManager_, edm::errors::Configuration, edm::ActivityRegistry::copySlotsFrom(), createServices(), Exception, fillListOfMakers(), reco::helper::VirtualJetProducerHelper::intersection(), edm::serviceregistry::kConfigurationOverrides, edm::serviceregistry::kOverlapIsError, edm::serviceregistry::kTokenOverrides, edm::ServiceToken::manager_, registry_, AlCaHLTBitMon_QueryRunRegistry::string, type2Maker_, type2Service_, and edm::typeDemangle().

                                                        :
             associatedManager_(associate ? iToken.manager_ : std::shared_ptr<ServicesManager>()),
             type2Maker_(new Type2Maker) {
          fillListOfMakers(iConfiguration);
 
          //find overlaps between services in iToken and iConfiguration
          typedef std::set< TypeIDBase> TypeSet;
          TypeSet configTypes;
          for(Type2Maker::iterator itType = type2Maker_->begin(), itTypeEnd = type2Maker_->end();
              itType != itTypeEnd;
              ++itType) {
             configTypes.insert(itType->first);
          }
 
          TypeSet tokenTypes;
          if(0 != iToken.manager_.get()) {
             for(Type2Service::iterator itType = iToken.manager_->type2Service_.begin(),
                 itTypeEnd = iToken.manager_->type2Service_.end();
                 itType != itTypeEnd;
                 ++itType) {
                tokenTypes.insert(itType->first);
             }
 
             typedef std::set<TypeIDBase> IntersectionType;
             IntersectionType intersection;
             std::set_intersection(configTypes.begin(), configTypes.end(),
                                   tokenTypes.begin(), tokenTypes.end(),
                                   inserter(intersection, intersection.end()));
 
             switch(iLegacy) {
                case kOverlapIsError :
                   if(!intersection.empty()) {
                      throw Exception(errors::Configuration, "Service")
                      << "the Service " << (*type2Maker_).find(*(intersection.begin()))->second.pset_->getParameter<std::string>("@service_type")
                      << " already has an instance of that type of Service";
                   } else {
                      //get all the services from Token
                      type2Service_ = iToken.manager_->type2Service_;
                   }
                   break;
                case kTokenOverrides :
                   //get all the services from Token
                   type2Service_ = iToken.manager_->type2Service_;
 
                   //remove from type2Maker the overlapping services so we never try to make them
                   for(IntersectionType::iterator itType = intersection.begin(), itTypeEnd = intersection.end();
                       itType != itTypeEnd;
                       ++itType) {
                      Type2Maker::iterator itFound = type2Maker_->find(*itType);
                      //HLT needs it such that even if a service isn't created we store its PSet if needed
                      if(itFound->second.maker_->saveConfiguration()) {
                         itFound->second.pset_->addUntrackedParameter("@save_config", true);
                      }
                      type2Maker_->erase(itFound);
                   }
                   break;
                case kConfigurationOverrides:
                   //get all the services from the Configuration, except process wide services
                   type2Service_ = iToken.manager_->type2Service_;
 
                   //now remove the ones we do not want
                   for(IntersectionType::iterator itType = intersection.begin(), itTypeEnd = intersection.end();
                       itType != itTypeEnd;
                       ++itType) {
                      Type2Maker::iterator itFound = type2Maker_->find(*itType);
                      if(itFound->second.maker_->processWideService()) {
                        // This is a process wide service, so the token overrides the configuration.
                        //HLT needs it such that even if a service isn't created we store its PSet if needed
                        if(itFound->second.maker_->saveConfiguration()) {
                          itFound->second.pset_->addUntrackedParameter("@save_config", true);
                        }
                        std::string type(typeDemangle(itType->name()));
                        LogInfo("Configuration") << "Warning: You have reconfigured service\n"
                                  <<  "'" << type << "' in a subprocess.\n"
                                  << "This service has already been configured.\n"
                                  << "This particular service may not be reconfigured in a subprocess.\n"
                                  << "The reconfiguration will be ignored.\n";
                        type2Maker_->erase(itFound);
                      } else {
                        // This is not a process wide service, so the configuration overrides the token.
                        type2Service_.erase(type2Service_.find(*itType));
                      }
                   }
                   break;
             }
             //make sure our signals are propagated to our 'inherited' Services
             if (associate) registry_.copySlotsFrom(associatedManager_->registry_);
          }
          createServices();
       }

ServicesManager::~ServicesManager ( )

Definition at line 175 of file ServicesManager.cc.

References actualCreationOrder_, and type2Service_.

                                         {
          // Force the Service destructors to execute in the reverse order of construction.
          // Note that services passed in by a token are not included in this loop and
          // do not get destroyed until the ServicesManager object that created them is destroyed
          // which occurs after the body of this destructor is executed (the correct order).
          // Services directly passed in by a put and not created in the constructor
          // may or not be detroyed in the desired order because this class does not control
          // their creation (as I'm writing this comment everything in a standard cmsRun
          // executable is destroyed in the desired order).
          for(std::vector<TypeIDBase>::const_reverse_iterator idIter = actualCreationOrder_.rbegin(),
                                                              idEnd = actualCreationOrder_.rend();
               idIter != idEnd;
               ++idIter) {
 
             Type2Service::iterator itService = type2Service_.find(*idIter);
 
             if(itService != type2Service_.end()) {
 
                // This will cause the Service's destruction if
                // there are no other shared pointers around
                itService->second.reset();
             }
          }
       }

edm::serviceregistry::ServicesManager::ServicesManager ( ServicesManager const & )

private

Member Function Documentation

void ServicesManager::connect ( ActivityRegistry & iOther )

causes our ActivityRegistry's signals to be forwarded to iOther

Definition at line 215 of file ServicesManager.cc.

References edm::ActivityRegistry::connect(), and registry_.

                                                        {
          registry_.connect(iOther);
       }

void ServicesManager::connectTo ( ActivityRegistry & iOther )

causes iOther's signals to be forward to us

Definition at line 220 of file ServicesManager.cc.

References edm::ActivityRegistry::connect(), and registry_.

                                                          {
          iOther.connect(registry_);
       }

void ServicesManager::copySlotsFrom ( ActivityRegistry & iOther )

the copy the argument's slots to the our signals

Definition at line 225 of file ServicesManager.cc.

References edm::ActivityRegistry::copySlotsFrom(), and registry_.

                                                              {
         registry_.copySlotsFrom(iOther);
       }

void ServicesManager::copySlotsTo ( ActivityRegistry & iOther )

copy our Service's slots to the argument's signals

Definition at line 230 of file ServicesManager.cc.

References edm::ActivityRegistry::copySlotsFrom(), and registry_.

                                                            {
         iOther.copySlotsFrom(registry_);
       }

void ServicesManager::createServices ( )

private

Definition at line 271 of file ServicesManager.cc.

References cms::Exception::addContext(), SurfaceDeformationFactory::create(), reco::get(), cmsPerfStripChart::operate(), requestedCreationOrder_, AlCaHLTBitMon_QueryRunRegistry::string, unpackBuffers-CaloStage2::token, type2Maker_, and edm::convertException::wrap().

Referenced by ServicesManager().

                                       {
 
          //create a shared_ptr of 'this' that will not delete us
          std::shared_ptr<ServicesManager> shareThis(this, NoOp());
 
          ServiceToken token(shareThis);
 
          //Now make our services to ones obtained via ServiceRegistry
          // when this goes out of scope, it will revert back to the previous Service set
          ServiceRegistry::Operate operate(token);
 
          //Now, make each Service.  If a service depends on a service that has yet to be
          // created, that other service will automatically be made
 
          for(std::vector<TypeIDBase>::const_iterator idIter = requestedCreationOrder_.begin(),
                                                      idEnd = requestedCreationOrder_.end();
               idIter != idEnd;
               ++idIter) {
            Type2Maker::iterator itMaker = type2Maker_->find(*idIter);
 
            // Check to make sure this maker is still there.  They are deleted
            // sometimes and that is OK.
            if(itMaker != type2Maker_->end()) {
 
              std::string serviceType = itMaker->second.pset_->getParameter<std::string>("@service_type");
              std::auto_ptr<ParameterSetDescriptionFillerBase> filler(
                ParameterSetDescriptionFillerPluginFactory::get()->create(serviceType));
              ConfigurationDescriptions descriptions(filler->baseType());
              filler->fill(descriptions);
 
              try {
                convertException::wrap([&]() {
                  descriptions.validate(*(itMaker->second.pset_), serviceType);
                });
              }
              catch (cms::Exception & iException) {
                std::ostringstream ost;
                ost << "Validating configuration of service of type " << serviceType;
                iException.addContext(ost.str());
                throw;
              }
              try {
                convertException::wrap([&]() {
                  // This creates the service
                  itMaker->second.add(*this);
                });
              }
              catch (cms::Exception & iException) {
                std::ostringstream ost;
                ost << "Constructing service of type " << serviceType;
                iException.addContext(ost.str());
                throw;
              }
            }
          }
          //No longer need the makers
          type2Maker_ = nullptr; // propagate_const<T> has no reset() function
       }

void ServicesManager::fillListOfMakers ( std::vector< ParameterSet > & iConfiguration )

private

Definition at line 235 of file ServicesManager.cc.

References newFWLiteAna::base, edm::errors::Configuration, SurfaceDeformationFactory::create(), Exception, reco::get(), registry_, requestedCreationOrder_, AlCaHLTBitMon_QueryRunRegistry::string, and type2Maker_.

Referenced by ServicesManager().

                                                                                {
          for(std::vector<ParameterSet>::iterator itParam = iConfiguration.begin(),
               itParamEnd = iConfiguration.end();
               itParam != itParamEnd;
               ++itParam) {
             std::shared_ptr<ServiceMakerBase> base(ServicePluginFactory::get()->create(itParam->getParameter<std::string>("@service_type")));
 
             if(0 == base.get()) {
                throw Exception(errors::Configuration, "Service")
                << "could not find a service named "
                << itParam->getParameter<std::string>("@service_type")
                << ". Please check spelling.";
             }
             Type2Maker::iterator itFound = type2Maker_->find(TypeIDBase(base->serviceType()));
             if(itFound != type2Maker_->end()) {
                throw Exception(errors::Configuration, "Service")
                << " the service " << itParam->getParameter<std::string>("@service_type")
                << " provides the same service as "
                << itFound->second.pset_->getParameter<std::string>("@service_type")
                << "\n Please reconfigure job to only use one of these services.";
             }
             type2Maker_->insert(Type2Maker::value_type(TypeIDBase(base->serviceType()),
                                                         MakerHolder(base,
                                                                     *itParam,
                                                                     registry_)));
             requestedCreationOrder_.push_back(TypeIDBase(base->serviceType()));
          }
       }

template<typename T >

T& edm::serviceregistry::ServicesManager::get ( ) const

inline

Definition at line 74 of file ServicesManager.h.

References assert(), edm::propagate_const< T >::get(), mergeVDriftHistosByStation::name, edm::errors::NotFound, edm::Exception::throwThis(), type2Maker_, and type2Service_.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), and betterConfigParser.BetterConfigParser::getResultingSection().

                         {
             Type2Service::const_iterator itFound = type2Service_.find(TypeIDBase(typeid(T)));
             Type2Maker::const_iterator itFoundMaker ;
             if(itFound == type2Service_.end()) {
                //do on demand building of the service
                if(0 == type2Maker_.get() ||
                    type2Maker_->end() == (itFoundMaker = type2Maker_->find(TypeIDBase(typeid(T))))) {
                       Exception::throwThis(errors::NotFound,
                         "Service Request unable to find requested service with compiler type name '",
                         typeid(T).name(),
                         "'.\n");
                } else {
                   itFoundMaker->second.add(const_cast<ServicesManager&>(*this));
                   itFound = type2Service_.find(TypeIDBase(typeid(T)));
                   //the 'add()' should have put the service into the list
                   assert(itFound != type2Service_.end());
                }
             }
             //convert it to its actual type
             std::shared_ptr<ServiceWrapper<T> > ptr(std::dynamic_pointer_cast<ServiceWrapper<T> >(itFound->second));
             assert(0 != ptr.get());
             return ptr->get();
          }

template<typename T >

bool edm::serviceregistry::ServicesManager::isAvailable ( ) const

inline

returns true of the particular service is accessible

Definition at line 100 of file ServicesManager.h.

References assert(), edm::propagate_const< T >::get(), type2Maker_, and type2Service_.

                                   {
             Type2Service::const_iterator itFound = type2Service_.find(TypeIDBase(typeid(T)));
             Type2Maker::const_iterator itFoundMaker ;
             if(itFound == type2Service_.end()) {
                //do on demand building of the service
                if(0 == type2Maker_.get() ||
                    type2Maker_->end() == (itFoundMaker = type2Maker_->find(TypeIDBase(typeid(T))))) {
                   return false;
                } else {
                   //Actually create the service in order to 'flush out' any
                   // configuration errors for the service
                   itFoundMaker->second.add(const_cast<ServicesManager&>(*this));
                   itFound = type2Service_.find(TypeIDBase(typeid(T)));
                   //the 'add()' should have put the service into the list
                   assert(itFound != type2Service_.end());
                }
             }
             return true;
          }

ServicesManager const& edm::serviceregistry::ServicesManager::operator= ( ServicesManager const & )

private

template<typename T >

bool edm::serviceregistry::ServicesManager::put ( std::shared_ptr< ServiceWrapper< T > > iPtr )

inline

returns false if put fails because a service of this type already exists

Definition at line 125 of file ServicesManager.h.

References actualCreationOrder_, and type2Service_.

Referenced by edm::serviceregistry::ServiceMaker< T, TMaker >::make().

                                                           {
             Type2Service::const_iterator itFound = type2Service_.find(TypeIDBase(typeid(T)));
             if(itFound != type2Service_.end()) {
                return false;
             }
             type2Service_[ TypeIDBase(typeid(T)) ] = iPtr;
             actualCreationOrder_.push_back(TypeIDBase(typeid(T)));
             return true;
          }