art::ServiceRegistry Class Reference

#include "ServiceRegistry.h"

Classes
class	Operate

Public Types
using	ParameterSets = std::vector< fhicl::ParameterSet >

Static Public Member Functions
template<typename T >
static bool	isAvailable ()
static ServiceToken	createSet (ParameterSets const &, ActivityRegistry &)

Private Member Functions
	ServiceRegistry (ServiceRegistry const &)=delete
ServiceRegistry &	operator= (ServiceRegistry const &)=delete
ServiceToken	presentToken () const
ServiceToken	setContext (ServiceToken const &iNewToken)
void	unsetContext (ServiceToken const &iOldToken)
template<typename T , typename = std::enable_if_t<detail::ServiceHelper<T>::scope_val != ServiceScope::PER_SCHEDULE>>
T &	get () const
template<typename T , typename = std::enable_if_t<detail::ServiceHelper<T>::scope_val == ServiceScope::PER_SCHEDULE>>
T &	get (ScheduleID sID) const
	ServiceRegistry ()=default

Static Private Member Functions
static ServiceRegistry &	instance ()

Private Attributes
cet::LibraryManager	lm_ {Suffixes::service()}
std::shared_ptr< ServicesManager >	manager_ {nullptr}

Friends
class	Operate
template<typename T , art::ServiceScope >
class	ServiceHandle

Detailed Description

Definition at line 26 of file ServiceRegistry.h.

Member Typedef Documentation

using art::ServiceRegistry::ParameterSets = std::vector<fhicl::ParameterSet>

Definition at line 65 of file ServiceRegistry.h.

Constructor & Destructor Documentation

art::ServiceRegistry::ServiceRegistry ( ServiceRegistry const &  )

privatedelete

art::ServiceRegistry::ServiceRegistry ( )

privatedefault

Referenced by get().

Member Function Documentation

ServiceToken ServiceRegistry::createSet ( ParameterSets const &  iPS, ActivityRegistry &  reg  )

static

Definition at line 35 of file ServiceRegistry.cc.

References instance(), and lm_.

Referenced by art::ServiceDirector::ServiceDirector().

{
  auto result = std::make_shared<ServicesManager>(
    iPS, ServiceRegistry::instance().lm_, reg);
  return ServiceToken{result};
}

template<typename T , typename = std::enable_if_t<detail::ServiceHelper<T>::scope_val != ServiceScope::PER_SCHEDULE>>

T& art::ServiceRegistry::get ( ) const

inlineprivate

Definition at line 83 of file ServiceRegistry.h.

References manager_, art::PER_SCHEDULE, and art::errors::ServiceNotFound.

Referenced by art::ServiceHandle< art::FileTransfer >::ServiceHandle(), and art::ServiceHandle< T, art::ServiceScope::PER_SCHEDULE >::ServiceHandle().

    {
      if (!manager_) {
        throw art::Exception(art::errors::ServiceNotFound, "Service")
          << " no ServiceRegistry has been set for this thread";
      }
      return manager_->get<T>();
    }

template<typename T , typename = std::enable_if_t<detail::ServiceHelper<T>::scope_val == ServiceScope::PER_SCHEDULE>>

T& art::ServiceRegistry::get ( ScheduleID  sID ) const

inlineprivate

Definition at line 96 of file ServiceRegistry.h.

References manager_, art::errors::ServiceNotFound, and ServiceRegistry().

    {
      if (!manager_) {
        throw art::Exception(art::errors::ServiceNotFound, "Service")
          << " no ServiceRegistry has been set for this thread";
      }
      return manager_->get<T>(sID);
    }

ServiceRegistry & ServiceRegistry::instance ( )

staticprivate

Definition at line 43 of file ServiceRegistry.cc.

Referenced by createSet(), isAvailable(), art::ServiceRegistry::Operate::Operate(), art::ServiceHandle< art::FileTransfer >::ServiceHandle(), art::ServiceHandle< T, art::ServiceScope::PER_SCHEDULE >::ServiceHandle(), and art::ServiceRegistry::Operate::~Operate().

{
  static ServiceRegistry me;
  return me;
}

template<typename T >

static bool art::ServiceRegistry::isAvailable ( )

inlinestatic

Definition at line 55 of file ServiceRegistry.h.

References instance(), manager_, and art::errors::ServiceNotFound.

    {
      if (auto& mgr = instance().manager_) {
        return mgr->isAvailable<T>();
      }

      throw art::Exception(art::errors::ServiceNotFound, "Service")
        << " no ServiceRegistry has been set for this thread";
    }

ServiceRegistry& art::ServiceRegistry::operator= ( ServiceRegistry const &  )

privatedelete

ServiceToken ServiceRegistry::presentToken ( ) const

private

Definition at line 29 of file ServiceRegistry.cc.

References manager_.

{
  return ServiceToken{manager_};
}

ServiceToken ServiceRegistry::setContext ( ServiceToken const &  iNewToken )

private

Definition at line 15 of file ServiceRegistry.cc.

References art::ServiceToken::manager_, and manager_.

Referenced by art::ServiceRegistry::Operate::Operate().

{
  ServiceToken result{manager_};
  manager_ = iNewToken.manager_;
  return result;
}

void ServiceRegistry::unsetContext ( ServiceToken const &  iOldToken )

private

Definition at line 23 of file ServiceRegistry.cc.

References art::ServiceToken::manager_, and manager_.

Referenced by art::ServiceRegistry::Operate::~Operate().

{
  manager_ = iOldToken.manager_;
}

Friends And Related Function Documentation

friend class Operate

friend

Definition at line 49 of file ServiceRegistry.h.

template<typename T , art::ServiceScope >

friend class ServiceHandle

friend

Definition at line 51 of file ServiceRegistry.h.

Member Data Documentation

cet::LibraryManager art::ServiceRegistry::lm_ {Suffixes::service()}

private

Definition at line 108 of file ServiceRegistry.h.

Referenced by createSet().

std::shared_ptr<ServicesManager> art::ServiceRegistry::manager_ {nullptr}

private

Definition at line 109 of file ServiceRegistry.h.

Referenced by get(), isAvailable(), presentToken(), setContext(), and unsetContext().

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The documentation for this class was generated from the following files:

• art/Framework/Services/Registry/ServiceRegistry.h
• art/Framework/Services/Registry/ServiceRegistry.cc