edm::FwdPtr< T > Class Template Reference

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

List of all members.

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

---

Member Typedef Documentation

template<typename T>

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

Definition at line 45 of file FwdPtr.h.

template<typename T>

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

Definition at line 46 of file FwdPtr.h.

---

Constructor & Destructor Documentation

template<typename T>

template<typename C >

edm::FwdPtr< T >::FwdPtr	(	Ptr< C >	f,
		Ptr< C >	b
	)		[inline]

Definition at line 50 of file FwdPtr.h.

                               :
    ptr_(f), backPtr_(b)
    {}

template<typename T>

edm::FwdPtr< T >::FwdPtr

(

)

[inline]

Definition at line 54 of file FwdPtr.h.

          :
    ptr_(), backPtr_()
      {}

template<typename T>

edm::FwdPtr< T >::FwdPtr

(

FwdPtr< T > const &

iOther

)

[inline]

Definition at line 58 of file FwdPtr.h.

                                 :
    ptr_(iOther.ptr_), backPtr_(iOther.backPtr_)
      {}

template<typename T>

edm::FwdPtr< T >::~FwdPtr

(

)

[inline]

Destructor.

Definition at line 75 of file FwdPtr.h.

{}

---

Member Function Documentation

template<typename T>

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

(

)

const [inline]

Definition at line 124 of file FwdPtr.h.

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

Referenced by edm::operator==().

{ return backPtr_;}

template<typename T>

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

(

void

)

const [inline]

Returns C++ pointer to the item.

Definition at line 86 of file FwdPtr.h.

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

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

template<typename T>

bool edm::FwdPtr< T >::hasProductCache

(

)

const [inline]

Definition at line 116 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

(

void

)

const [inline]

Accessor for product ID.

Definition at line 106 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 100 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 94 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 90 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 103 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 114 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 96 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 79 of file FwdPtr.h.

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

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

template<typename T>

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

(

)

const [inline]

Member dereference operator.

Definition at line 83 of file FwdPtr.h.

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

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

template<typename T>

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

(

)

const [inline]

Definition at line 121 of file FwdPtr.h.

{return 0;}

template<typename T>

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

(

)

const [inline]

Accessor for product getter.

Definition at line 109 of file FwdPtr.h.

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

                                                 {
      if ( ptr_.productGetter() ) return ptr_.productGetter();
      else return backPtr_.productGetter();
    }

template<typename T>

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

(

)

const [inline]

Definition at line 123 of file FwdPtr.h.

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

Referenced by edm::operator==().

{ return ptr_;}

template<typename T>

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

(

)

const [inline]

Definition at line 118 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 42 of file FwdPtr.h.

---

Member Data Documentation

template<typename T>

Ptr<value_type> edm::FwdPtr< T >::backPtr_ [private]

Definition at line 127 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 126 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().