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#ifndef UtilAlgos_EventSetupInitTrait_h
#define UtilAlgos_EventSetupInitTrait_h
#include "CommonTools/UtilAlgos/interface/AndSelector.h"
#include "CommonTools/UtilAlgos/interface/OrSelector.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
namespace edm {
class EventSetup;
class Event;
} // namespace edm
namespace helpers {
struct NullAndOperand;
}
namespace reco {
namespace modules {
/// take no action (default)
template <typename T>
struct NoEventSetupInit {
explicit NoEventSetupInit(edm::ConsumesCollector) {}
NoEventSetupInit() = delete;
void init(T&, const edm::Event&, const edm::EventSetup&) {}
};
/// implement common interface defined in:
/// https://twiki.cern.ch/twiki/bin/view/CMS/SelectorInterface
struct CommonSelectorEventSetupInit {
explicit CommonSelectorEventSetupInit(edm::ConsumesCollector) {}
CommonSelectorEventSetupInit() = delete;
template <typename Selector>
void init(Selector& selector, const edm::Event& evt, const edm::EventSetup& es) {
selector.newEvent(evt, es);
}
};
template <typename T>
struct EventSetupInit {
typedef NoEventSetupInit<T> type;
};
template <typename T1,
typename T2,
typename T3 = helpers::NullAndOperand,
typename T4 = helpers::NullAndOperand,
typename T5 = helpers::NullAndOperand>
struct CombinedEventSetupInit {
explicit CombinedEventSetupInit(edm::ConsumesCollector iC) : t1_(iC), t2_(iC), t3_(iC), t4_(iC), t5_(iC) {}
template <template <typename, typename, typename, typename, typename> class SelectorT>
void init(SelectorT<T1, T2, T3, T4, T5>& selector, const edm::Event& evt, const edm::EventSetup& es) {
t1_.init(selector.s1_, evt, es);
t2_.init(selector.s2_, evt, es);
t3_.init(selector.s3_, evt, es);
t4_.init(selector.s4_, evt, es);
t5_.init(selector.s5_, evt, es);
}
typename EventSetupInit<T1>::type t1_;
typename EventSetupInit<T2>::type t2_;
typename EventSetupInit<T3>::type t3_;
typename EventSetupInit<T4>::type t4_;
typename EventSetupInit<T5>::type t5_;
};
template <typename T1, typename T2, typename T3, typename T4>
struct CombinedEventSetupInit<T1, T2, T3, T4, helpers::NullAndOperand> {
explicit CombinedEventSetupInit(edm::ConsumesCollector iC) : t1_(iC), t2_(iC), t3_(iC), t4_(iC) {}
template <template <typename, typename, typename, typename, typename> class SelectorT>
void init(SelectorT<T1, T2, T3, T4, helpers::NullAndOperand>& selector,
const edm::Event& evt,
const edm::EventSetup& es) {
t1_.init(selector.s1_, evt, es);
t2_.init(selector.s2_, evt, es);
t3_.init(selector.s3_, evt, es);
t4_.init(selector.s4_, evt, es);
}
typename EventSetupInit<T1>::type t1_;
typename EventSetupInit<T2>::type t2_;
typename EventSetupInit<T3>::type t3_;
typename EventSetupInit<T4>::type t4_;
};
template <typename T1, typename T2, typename T3>
struct CombinedEventSetupInit<T1, T2, T3, helpers::NullAndOperand, helpers::NullAndOperand> {
explicit CombinedEventSetupInit(edm::ConsumesCollector iC) : t1_(iC), t2_(iC), t3_(iC) {}
template <template <typename, typename, typename, typename, typename> class SelectorT>
void init(SelectorT<T1, T2, T3, helpers::NullAndOperand, helpers::NullAndOperand>& selector,
const edm::Event& evt,
const edm::EventSetup& es) {
t1_.init(selector.s1_, evt, es);
t2_.init(selector.s2_, evt, es);
t3_.init(selector.s3_, evt, es);
}
typename EventSetupInit<T1>::type t1_;
typename EventSetupInit<T2>::type t2_;
typename EventSetupInit<T3>::type t3_;
};
template <typename T1, typename T2>
struct CombinedEventSetupInit<T1, T2, helpers::NullAndOperand, helpers::NullAndOperand, helpers::NullAndOperand> {
explicit CombinedEventSetupInit(edm::ConsumesCollector iC) : t1_(iC), t2_(iC) {}
template <template <typename, typename, typename, typename, typename> class SelectorT>
void init(SelectorT<T1, T2, helpers::NullAndOperand, helpers::NullAndOperand, helpers::NullAndOperand>& selector,
const edm::Event& evt,
const edm::EventSetup& es) {
t1_.init(selector.s1_, evt, es);
t2_.init(selector.s2_, evt, es);
}
typename EventSetupInit<T1>::type t1_;
typename EventSetupInit<T2>::type t2_;
};
template <typename T1, typename T2, typename T3, typename T4, typename T5>
struct EventSetupInit<AndSelector<T1, T2, T3, T4, T5> > {
typedef CombinedEventSetupInit<T1, T2, T3, T4, T5> type;
};
template <typename T1, typename T2, typename T3, typename T4, typename T5>
struct EventSetupInit<OrSelector<T1, T2, T3, T4, T5> > {
typedef CombinedEventSetupInit<T1, T2, T3, T4, T5> type;
};
} // namespace modules
} // namespace reco
#define EVENTSETUP_STD_INIT(SELECTOR) \
namespace reco { \
namespace modules { \
template <> \
struct EventSetupInit<SELECTOR> { \
typedef CommonSelectorEventSetupInit type; \
}; \
} \
} \
struct __useless_ignoreme
#define EVENTSETUP_STD_INIT_T1(SELECTOR) \
namespace reco { \
namespace modules { \
template <typename T1> \
struct EventSetupInit<SELECTOR<T1> > { \
typedef CommonSelectorEventSetupInit type; \
}; \
} \
} \
struct __useless_ignoreme
#define EVENTSETUP_STD_INIT_T2(SELECTOR) \
namespace reco { \
namespace modules { \
template <typename T1, typename T2> \
struct EventSetupInit<SELECTOR<T1, T2> > { \
typedef CommonSelectorEventSetupInit type; \
}; \
} \
} \
struct __useless_ignoreme
#define EVENTSETUP_STD_INIT_T3(SELECTOR) \
namespace reco { \
namespace modules { \
template <typename T1, typename T2, typename T3> \
struct EventSetupInit<SELECTOR<T1, T2, T3> > { \
typedef CommonSelectorEventSetupInit type; \
}; \
} \
} \
struct __useless_ignoreme
#endif
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