edm::FwdPtr< T > Class Template Reference

#include <DataFormats/Common/interface/FwdPtr.h>

Public Types
typedef unsigned long	key_type
typedef T	value_type

Public Member Functions
Ptr< value_type > const &	backPtr () const
template<typename C >
	FwdPtr (const Ptr< C > &f, const Ptr< C > &b)
	FwdPtr ()
T const *	get () const
	Returns C++ pointer to the item. More...
bool	hasProductCache () const
ProductID	id () const
	Accessor for product ID. More...
bool	isAvailable () const
bool	isNonnull () const
	Checks for non-null. More...
bool	isNull () const
	Checks for null. More...
bool	isTransient () const
	Checks if this FwdPtr is transient (i.e. not persistable). More...
key_type	key () const
bool	operator! () const
	Checks for null. More...
T const &	operator* () const
	Dereference operator. More...
T const *	operator-> () const
	Member dereference operator. More...
void const *	product () const
EDProductGetter const *	productGetter () const
	Accessor for product getter. More...
Ptr< value_type > const &	ptr () const
RefCore const &	refCore () const
	~FwdPtr ()
	Destructor. More...

Static Public Member Functions
static short	Class_Version ()

Private Attributes
Ptr< value_type >	backPtr_
Ptr< value_type >	ptr_

Friends
class	FwdPtrVectorBase

Detailed Description

template<typename T>
class edm::FwdPtr< T >

Description: Persistent 'pointer' to an item in a collection where the collection is in the edm::Event

Usage: <usage>

Definition at line 40 of file FwdPtr.h.

Member Typedef Documentation

template<typename T>

typedef unsigned long edm::FwdPtr< T >::key_type

Definition at line 44 of file FwdPtr.h.

template<typename T>

typedef T edm::FwdPtr< T >::value_type

Definition at line 45 of file FwdPtr.h.

Constructor & Destructor Documentation

template<typename T>

template<typename C >

edm::FwdPtr< T >::FwdPtr ( const Ptr< C > &  f, const Ptr< C > &  b  )

inline

Definition at line 49 of file FwdPtr.h.

References edm::Ptr< T >::isNull().

                                            :
    ptr_(f), backPtr_(b)
    { assert(f.isNull() == b.isNull()); }

template<typename T>

edm::FwdPtr< T >::FwdPtr ( )

inline

Definition at line 53 of file FwdPtr.h.

           :
    ptr_(), backPtr_()
      {}

template<typename T>

edm::FwdPtr< T >::~FwdPtr ( )

inline

Destructor.

Definition at line 70 of file FwdPtr.h.

{}

Member Function Documentation

template<typename T>

Ptr<value_type> const& edm::FwdPtr< T >::backPtr ( ) const

inline

Definition at line 121 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_.

Referenced by reco::PFCandidateWithSrcPtrFactory::operator()(), and TopProjectorFwdPtrOverlap< Top, Bottom >::operator()().

{ return backPtr_;}

template<typename T>

static short edm::FwdPtr< T >::Class_Version ( )

inlinestatic

Definition at line 124 of file FwdPtr.h.

:
    Ptr<value_type> ptr_;

template<typename T>

T const* edm::FwdPtr< T >::get ( ) const

inline

Returns C++ pointer to the item.

Definition at line 81 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::get(), edm::Ptr< T >::isAvailable(), and edm::FwdPtr< T >::ptr_.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), util.rrapi.RRApi::columns(), rrapi.RRApi::columns(), util.rrapi.RRApi::count(), rrapi.RRApi::count(), rrapi.RRApi::data(), util.rrapi.RRApi::data(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), betterConfigParser.BetterConfigParser::getResultingSection(), rrapi.RRApi::report(), util.rrapi.RRApi::report(), rrapi.RRApi::reports(), util.rrapi.RRApi::reports(), util.rrapi.RRApi::tables(), rrapi.RRApi::tables(), rrapi.RRApi::tags(), util.rrapi.RRApi::tags(), rrapi.RRApi::templates(), util.rrapi.RRApi::templates(), util.rrapi.RRApi::workspaces(), and rrapi.RRApi::workspaces().

{ return ptr_.isAvailable() ? ptr_.get() : backPtr_.get();}

template<typename T>

bool edm::FwdPtr< T >::hasProductCache ( ) const

inline

Definition at line 113 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::hasProductCache(), and edm::FwdPtr< T >::ptr_.

{ return ptr_.hasProductCache() || backPtr_.hasProductCache();} 

template<typename T>

ProductID edm::FwdPtr< T >::id ( ) const

inline

Accessor for product ID.

Definition at line 101 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::id(), edm::Ptr< T >::isNonnull(), and edm::FwdPtr< T >::ptr_.

{return ptr_.isNonnull() ? ptr_.id() : backPtr_.id();}

template<typename T>

bool edm::FwdPtr< T >::isAvailable ( ) const

inline

Checks if collection is in memory or available in the event. No type checking is done.

Definition at line 95 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::isAvailable(), and edm::FwdPtr< T >::ptr_.

{return ptr_.isAvailable() || backPtr_.isAvailable();}

template<typename T>

bool edm::FwdPtr< T >::isNonnull ( ) const

inline

Checks for non-null.

Definition at line 89 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::isNonnull(), and edm::FwdPtr< T >::ptr_.

Referenced by edm::FwdPtr< T >::isNull().

{return ptr_.isNonnull() || backPtr_.isNonnull(); }

template<typename T>

bool edm::FwdPtr< T >::isNull ( ) const

inline

Checks for null.

Definition at line 85 of file FwdPtr.h.

References edm::FwdPtr< T >::isNonnull().

Referenced by edm::FwdPtr< T >::operator!().

{return !isNonnull(); }

template<typename T>

bool edm::FwdPtr< T >::isTransient ( ) const

inline

Checks if this FwdPtr is transient (i.e. not persistable).

Definition at line 98 of file FwdPtr.h.

References edm::Ptr< T >::isTransient(), and edm::FwdPtr< T >::ptr_.

{return ptr_.isTransient();}

template<typename T>

key_type edm::FwdPtr< T >::key ( ) const

inline

Definition at line 111 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::isNonnull(), edm::Ptr< T >::key(), and edm::FwdPtr< T >::ptr_.

{return ptr_.isNonnull() ? ptr_.key() : backPtr_.key() ;}

template<typename T>

bool edm::FwdPtr< T >::operator! ( ) const

inline

Checks for null.

Definition at line 91 of file FwdPtr.h.

References edm::FwdPtr< T >::isNull().

{return isNull();}

template<typename T>

T const& edm::FwdPtr< T >::operator* ( ) const

inline

Dereference operator.

Definition at line 74 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::isAvailable(), and edm::FwdPtr< T >::ptr_.

{ return ptr_.isAvailable() ? ptr_.operator*() : backPtr_.operator*();}

template<typename T>

T const* edm::FwdPtr< T >::operator-> ( ) const

inline

Member dereference operator.

Definition at line 78 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::isAvailable(), and edm::FwdPtr< T >::ptr_.

{ return ptr_.isAvailable() ? ptr_.operator->() : backPtr_.operator->();}

template<typename T>

void const* edm::FwdPtr< T >::product ( ) const

inline

Definition at line 118 of file FwdPtr.h.

{return nullptr;}

template<typename T>

EDProductGetter const* edm::FwdPtr< T >::productGetter ( ) const

inline

Accessor for product getter.

Definition at line 104 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::productGetter(), and edm::FwdPtr< T >::ptr_.

                                                 {
      //another thread might cause productGetter() to change its value
      EDProductGetter const* getter = ptr_.productGetter();
      if (getter) return getter;
      else return backPtr_.productGetter();
    }

template<typename T>

Ptr<value_type> const& edm::FwdPtr< T >::ptr ( ) const

inline

Definition at line 120 of file FwdPtr.h.

References edm::FwdPtr< T >::ptr_.

Referenced by TopProjectorFwdPtrOverlap< Top, Bottom >::operator()().

{ return ptr_;}

template<typename T>

RefCore const& edm::FwdPtr< T >::refCore ( ) const

inline

Definition at line 115 of file FwdPtr.h.

References edm::FwdPtr< T >::backPtr_, edm::Ptr< T >::isNonnull(), edm::FwdPtr< T >::ptr_, and edm::Ptr< T >::refCore().

{return ptr_.isNonnull() ? ptr_.refCore() : backPtr_.refCore() ;}

Friends And Related Function Documentation

template<typename T>

friend class FwdPtrVectorBase

friend

Definition at line 41 of file FwdPtr.h.

Member Data Documentation

template<typename T>

Ptr<value_type> edm::FwdPtr< T >::backPtr_

private

Definition at line 128 of file FwdPtr.h.

Referenced by edm::FwdPtr< T >::backPtr(), edm::FwdPtr< T >::get(), edm::FwdPtr< T >::hasProductCache(), edm::FwdPtr< T >::id(), edm::FwdPtr< T >::isAvailable(), edm::FwdPtr< T >::isNonnull(), edm::FwdPtr< T >::key(), edm::FwdPtr< T >::operator*(), edm::FwdPtr< T >::operator->(), edm::FwdPtr< T >::productGetter(), and edm::FwdPtr< T >::refCore().

template<typename T>

Ptr<value_type> edm::FwdPtr< T >::ptr_

private

Definition at line 127 of file FwdPtr.h.

Referenced by edm::FwdPtr< T >::get(), edm::FwdPtr< T >::hasProductCache(), edm::FwdPtr< T >::id(), edm::FwdPtr< T >::isAvailable(), edm::FwdPtr< T >::isNonnull(), edm::FwdPtr< T >::isTransient(), edm::FwdPtr< T >::key(), edm::FwdPtr< T >::operator*(), edm::FwdPtr< T >::operator->(), edm::FwdPtr< T >::productGetter(), edm::FwdPtr< T >::ptr(), and edm::FwdPtr< T >::refCore().