#include <RandomEngineSentry.h>

Public Member Functions
CLHEP::HepRandomEngine const *	randomEngine () const

CLHEP::HepRandomEngine *&	randomEngine ()

	RandomEngineSentry (T t, CLHEP::HepRandomEngine engine)

	RandomEngineSentry (T *t, StreamID const &streamID)

	RandomEngineSentry (T *t, LuminosityBlockIndex const &lumi)

	~RandomEngineSentry ()

Private Attributes
edm::propagate_const< CLHEP::HepRandomEngine * >	engine_

edm::propagate_const< T * >	t_

Detailed Description

template<class T>
class edm::RandomEngineSentry< T >

Description:

Definition at line 27 of file RandomEngineSentry.h.

Constructor & Destructor Documentation

template<class T>

edm::RandomEngineSentry< T >::RandomEngineSentry	(	T *	t,
		CLHEP::HepRandomEngine *	engine
	)

inlineexplicit

Definition at line 30 of file RandomEngineSentry.h.

                                                                    : t_(t), engine_(engine) {
       if(t) {
         t->setRandomEngine(engine);
       }
     }

template<class T>

edm::RandomEngineSentry< T >::RandomEngineSentry	(	T *	t,
		StreamID const &	streamID
	)

inlineexplicit

Definition at line 36 of file RandomEngineSentry.h.

References Exception, and edm::Service< T >::isAvailable().

                                                                : t_(t), engine_(nullptr) {
       if(t) {
         Service<RandomNumberGenerator> rng;
         if (!rng.isAvailable()) {
           throw cms::Exception("Configuration")
               << "Attempt to get a random engine when the RandomNumberGeneratorService is not configured.\n"
                  "You must configure the service if you want an engine.\n";
         }
         engine_ = &rng->getEngine(streamID);
         t->setRandomEngine(engine_);
       }
     }

template<class T>

edm::RandomEngineSentry< T >::RandomEngineSentry	(	T *	t,
		LuminosityBlockIndex const &	lumi
	)

inlineexplicit

Definition at line 49 of file RandomEngineSentry.h.

References Exception, and edm::Service< T >::isAvailable().

                                                                        : t_(t), engine_(nullptr) {
       if(t) {
         Service<RandomNumberGenerator> rng;
         if (!rng.isAvailable()) {
           throw cms::Exception("Configuration")
               << "Attempt to get a random engine when the RandomNumberGeneratorService is not configured.\n"
                  "You must configure the service if you want an engine.\n";
         }
         engine_ = &rng->getEngine(lumi);
         t->setRandomEngine(engine_);
       }
     }