ObjectList< TYPE > Class Template Reference

ObjectList is one of the basic Gaudi container classes capable of being registered in Data Stores. More...

#include <GaudiKernel/ObjectList.h>

Inheritance diagram for ObjectList< TYPE >:

Collaboration diagram for ObjectList< TYPE >:

Public Types
typedef TYPE	contained_type
typedef std::list< TYPE * >::value_type	value_type
typedef std::list< TYPE * >::reference	reference
typedef std::list< TYPE * >::const_reference	const_reference
typedef std::list< TYPE * >::iterator	iterator
typedef std::list< TYPE * >::const_iterator	const_iterator
typedef std::list< TYPE * >::reverse_iterator	reverse_iterator
typedef std::list< TYPE * >::const_reverse_iterator	const_reverse_iterator
typedef std::vector< TYPE * >::pointer	pointer
typedef std::vector< TYPE * >::const_pointer	const_pointer
Public Types inherited from ObjectContainerBase
typedef size_t	size_type
	size_type, to conform the STL container interface More...

Public Member Functions
	ObjectList ()=default
	Constructors. More...
	ObjectList (const ObjectList< TYPE > &)=delete
ObjectList &	operator= (const ObjectList< TYPE > &)=delete
	~ObjectList () override
	Destructor. More...
const CLID &	clID () const override
	Retrieve pointer to class definition structure. More...
ObjectList< TYPE >::iterator	begin ()
	Return an iterator pointing to the beginning of the container. More...
ObjectList< TYPE >::const_iterator	begin () const
	Return a const_iterator pointing to the beginning of the container. More...
ObjectList< TYPE >::iterator	end ()
	Return an iterator pointing to the end of the container. More...
ObjectList< TYPE >::const_iterator	end () const
	Return a const_iterator pointing to the end of the container. More...
ObjectList< TYPE >::reverse_iterator	rbegin ()
	Return a reverse_iterator pointing to the beginning of the reversed container. More...
ObjectList< TYPE >::const_reverse_iterator	rbegin () const
	Return a const_reverse_iterator pointing to the beginning of the reversed container. More...
ObjectList< TYPE >::reverse_iterator	rend ()
	Return a reverse_iterator pointing to the end of the reversed container. More...
ObjectList< TYPE >::const_reverse_iterator	rend () const
	Return a const_reverse_iterator pointing to the end of the reversed container. More...
ObjectList< TYPE >::size_type	size () const
	Return the size of the container Size means the number of objects stored in the container, independently on the amount of information stored in each object. More...
ObjectList< TYPE >::size_type	numberOfObjects () const override
	The same as size(), return number of objects in the container. More...
ObjectList< TYPE >::size_type	max_size () const
	Return the largest possible size of the container. More...
bool	empty () const
	Return true if the size of the container is 0. More...
ObjectList< TYPE >::reference	front ()
	Return reference to the first element. More...
ObjectList< TYPE >::const_reference	front () const
	Return const_reference to the first element. More...
ObjectList< TYPE >::reference	back ()
	Return reference to the last element. More...
ObjectList< TYPE >::const_reference	back () const
	Return const_reference to the last element. More...
void	push_back (typename ObjectList< TYPE >::const_reference value)
	push_back = append = insert a new element at the end of the container More...
long	add (ContainedObject *pObject) override
	Add an object to the container. More...
void	pop_back ()
	pop_back = remove the last element from the container The removed object will be deleted (see the method release) More...
long	remove (ContainedObject *value) override
	Release object from the container (the pointer will be removed from the container, but the object itself will remain alive) (see the method pop_back) More...
ObjectList< TYPE >::iterator	insert (typename ObjectList< TYPE >::iterator position, typename ObjectList< TYPE >::const_reference value)
	Insert "value" before "position". More...
void	erase (typename ObjectList< TYPE >::iterator position)
	Erase the object at "position" from the container. The removed object will be deleted. More...
void	erase (typename ObjectList< TYPE >::iterator first, typename ObjectList< TYPE >::iterator last)
	Erase the range [first, last) from the container. The removed object will be deleted. More...
void	clear ()
	Clear the entire content of the container and delete all contained objects. More...
long	index (const ContainedObject *obj) const override
	Return distance of a given object from the beginning of its container It corresponds to the "index" ( from 0 to size()-1 ) If "obj" not fount, return -1. More...
ContainedObject *	containedObject (long dist) const override
	Return const pointer to an object of a given distance. More...
std::ostream &	fillStream (std::ostream &s) const override
	Fill the output stream (ASCII) More...
Public Member Functions inherited from DataObject
	DataObject ()
	Standard Constructor. More...
	DataObject (const DataObject &rhs)
	Copy Constructor. More...
DataObject &	operator= (const DataObject &rhs)
	Assignment Operator. More...
	DataObject (DataObject &&rhs)
	Move Constructor. More...
DataObject &	operator= (DataObject &&rhs)
	Move Assignment Operator. More...
virtual	~DataObject ()
	Standard Destructor. More...
virtual unsigned long	addRef ()
	Add reference to object. More...
virtual unsigned long	release ()
	release reference to object More...
const std::string &	name () const
	Retreive DataObject name. It is the name when registered in the store. More...
virtual StatusCode	update ()
	Provide empty placeholder for internal object reconfiguration callback. More...
void	setRegistry (IRegistry *pRegistry)
	Set pointer to Registry. More...
IRegistry *	registry () const
	Get pointer to Registry. More...
LinkManager *	linkMgr () const
	Retrieve Link manager. More...
unsigned char	version () const
	Retrieve version number of this object representation. More...
void	setVersion (unsigned char vsn)
	Set version number of this object representation. More...
unsigned long	refCount () const
	Return the refcount. More...

Static Public Member Functions
static const CLID &	classID ()
Static Public Member Functions inherited from DataObject
static const CLID &	classID ()
	Retrieve reference to class definition structure (static access) More...

Private Attributes
std::list< TYPE * >	m_list
	The STL list. More...

Additional Inherited Members
Protected Member Functions inherited from ObjectContainerBase
	ObjectContainerBase ()=default
	Constructor. More...
	ObjectContainerBase (ObjectContainerBase &&)=default
ObjectContainerBase &	operator= (ObjectContainerBase &&)=default

Detailed Description

template<class TYPE>
class ObjectList< TYPE >

ObjectList is one of the basic Gaudi container classes capable of being registered in Data Stores.

It is based on Standard Library (STL) std::list (see STL Programmer's Guide) ObjectList has all functions of the std::list interface,

Each object is allowed to belong into a single container only. After inserting the object into the container, it takes over all responsibilities for the object. E.g. erasing the object from its container causes removing the object's pointer from the container and deleting the object itself.

Author

Pavel Binko

Pere Mato

Date

19/10/1999, 30/11/2000

Definition at line 14 of file ContainedObject.h.

Member Typedef Documentation

template<class TYPE>

typedef std::list<TYPE*>::const_iterator ObjectList< TYPE >::const_iterator

Definition at line 46 of file ObjectList.h.

template<class TYPE>

typedef std::vector<TYPE*>::const_pointer ObjectList< TYPE >::const_pointer

Definition at line 56 of file ObjectList.h.

template<class TYPE>

typedef std::list<TYPE*>::const_reference ObjectList< TYPE >::const_reference

Definition at line 43 of file ObjectList.h.

template<class TYPE>

typedef std::list<TYPE*>::const_reverse_iterator ObjectList< TYPE >::const_reverse_iterator

Definition at line 49 of file ObjectList.h.

template<class TYPE>

typedef TYPE ObjectList< TYPE >::contained_type

Definition at line 39 of file ObjectList.h.

template<class TYPE>

typedef std::list<TYPE*>::iterator ObjectList< TYPE >::iterator

Definition at line 45 of file ObjectList.h.

template<class TYPE>

typedef std::vector<TYPE*>::pointer ObjectList< TYPE >::pointer

Definition at line 55 of file ObjectList.h.

template<class TYPE>

typedef std::list<TYPE*>::reference ObjectList< TYPE >::reference

Definition at line 42 of file ObjectList.h.

template<class TYPE>

typedef std::list<TYPE*>::reverse_iterator ObjectList< TYPE >::reverse_iterator

Definition at line 48 of file ObjectList.h.

template<class TYPE>

typedef std::list<TYPE*>::value_type ObjectList< TYPE >::value_type

Definition at line 40 of file ObjectList.h.

Constructor & Destructor Documentation

template<class TYPE>

ObjectList< TYPE >::ObjectList ( )

default

Constructors.

template<class TYPE>

ObjectList< TYPE >::ObjectList ( const ObjectList< TYPE > &  )

delete

template<class TYPE>

ObjectList< TYPE >::~ObjectList ( )

inlineoverride

Destructor.

Definition at line 67 of file ObjectList.h.

{ clear(); }

Member Function Documentation

template<class TYPE>

long ObjectList< TYPE >::add ( ContainedObject *  pObject )

inlineoverridevirtual

Add an object to the container.

Implements ObjectContainerBase.

Definition at line 142 of file ObjectList.h.

  {
    try {
      auto ptr = dynamic_cast<typename ObjectList<TYPE>::value_type>( pObject );
      if ( ptr ) {
        push_back( ptr );
        return m_list.size() - 1;
      }
    } catch ( ... ) {
    }
    return -1;
  }

template<class TYPE>

ObjectList<TYPE>::reference ObjectList< TYPE >::back ( )

inline

Return reference to the last element.

Definition at line 126 of file ObjectList.h.

{ return m_list.back(); }

template<class TYPE>

ObjectList<TYPE>::const_reference ObjectList< TYPE >::back ( ) const

inline

Return const_reference to the last element.

Definition at line 129 of file ObjectList.h.

{ return m_list.back(); }

template<class TYPE>

ObjectList<TYPE>::iterator ObjectList< TYPE >::begin ( )

inline

Return an iterator pointing to the beginning of the container.

Definition at line 78 of file ObjectList.h.

{ return m_list.begin(); }

template<class TYPE>

ObjectList<TYPE>::const_iterator ObjectList< TYPE >::begin ( ) const

inline

Return a const_iterator pointing to the beginning of the container.

Definition at line 81 of file ObjectList.h.

{ return m_list.begin(); }

template<class TYPE>

static const CLID& ObjectList< TYPE >::classID ( )

inlinestatic

Definition at line 71 of file ObjectList.h.

  {
    static CLID clid = TYPE::classID() + CLID_ObjectList;
    return clid;
  }

template<class TYPE>

void ObjectList< TYPE >::clear ( )

inline

Clear the entire content of the container and delete all contained objects.

Definition at line 223 of file ObjectList.h.

{ erase( begin(), end() ); }

template<class TYPE>

const CLID& ObjectList< TYPE >::clID ( ) const

inlineoverridevirtual

Retrieve pointer to class definition structure.

Reimplemented from DataObject.

Definition at line 70 of file ObjectList.h.

{ return ObjectList<TYPE>::classID(); }

template<class TYPE>

ContainedObject* ObjectList< TYPE >::containedObject ( long  dist ) const

inlineoverridevirtual

Return const pointer to an object of a given distance.

Implements ObjectContainerBase.

Definition at line 234 of file ObjectList.h.

  {
    return dist < size() ? *std::next( begin(), dist ) : nullptr;
  }

template<class TYPE>

bool ObjectList< TYPE >::empty ( ) const

inline

Return true if the size of the container is 0.

Definition at line 117 of file ObjectList.h.

{ return m_list.empty(); }

template<class TYPE>

ObjectList<TYPE>::iterator ObjectList< TYPE >::end ( )

inline

Return an iterator pointing to the end of the container.

Definition at line 84 of file ObjectList.h.

{ return m_list.end(); }

template<class TYPE>

ObjectList<TYPE>::const_iterator ObjectList< TYPE >::end ( ) const

inline

Return a const_iterator pointing to the end of the container.

Definition at line 87 of file ObjectList.h.

{ return m_list.end(); }

template<class TYPE>

void ObjectList< TYPE >::erase ( typename ObjectList< TYPE >::iterator  position )

inline

Erase the object at "position" from the container. The removed object will be deleted.

Definition at line 197 of file ObjectList.h.

  {
    if ( ( *position )->parent() ) {
      // Set the back pointer to 0 to avoid repetitional searching
      // for the object in the container, and deleting the object
      ( *position )->setParent( nullptr );
      delete *position;
    }
    // Removing from the container itself
    m_list.erase( position );
  }

template<class TYPE>

void ObjectList< TYPE >::erase ( typename ObjectList< TYPE >::iterator  first, typename ObjectList< TYPE >::iterator  last  )

inline

Erase the range [first, last) from the container. The removed object will be deleted.

Definition at line 210 of file ObjectList.h.

  {
    for ( auto iter = first; iter != last; ++iter ) {
      // Set the back pointer to 0 to avoid repetitional searching
      // for the object in the container, and deleting the object
      ( *iter )->setParent( nullptr );
      delete *iter;
    }
    // Removing from the container itself
    m_list.erase( first, last );
  }

template<class TYPE>

std::ostream& ObjectList< TYPE >::fillStream ( std::ostream &  s ) const

inlineoverridevirtual

Fill the output stream (ASCII)

Reimplemented from DataObject.

Definition at line 240 of file ObjectList.h.

  {
    s << "class ObjectList :    size = " << std::setw( 12 ) << size() << "\n";
    // Output the base class
    // ObjectContainerBase::fillStream(s);
    if ( !empty() ) {
      s << "\nContents of the STL list :";
      long count = 0;
      for ( const auto& iter : m_list ) {
        s << "\nIndex " << std::setw( 12 ) << count++ << " of object of type " << *iter;
      }
    }
    return s;
  }

template<class TYPE>

ObjectList<TYPE>::reference ObjectList< TYPE >::front ( )

inline

Return reference to the first element.

Definition at line 120 of file ObjectList.h.

{ return m_list.front(); }

template<class TYPE>

ObjectList<TYPE>::const_reference ObjectList< TYPE >::front ( ) const

inline

Return const_reference to the first element.

Definition at line 123 of file ObjectList.h.

{ return m_list.front(); }

template<class TYPE>

long ObjectList< TYPE >::index ( const ContainedObject *  obj ) const

inlineoverridevirtual

Return distance of a given object from the beginning of its container It corresponds to the "index" ( from 0 to size()-1 ) If "obj" not fount, return -1.

Implements ObjectContainerBase.

Definition at line 227 of file ObjectList.h.

  {
    auto i = std::find_if( begin(), end(), [&]( const ContainedObject* o ) { return o == obj; } );
    return i != end() ? std::distance( begin(), i ) : -1;
  }

template<class TYPE>

ObjectList<TYPE>::iterator ObjectList< TYPE >::insert ( typename ObjectList< TYPE >::iterator  position, typename ObjectList< TYPE >::const_reference  value  )

inline

Insert "value" before "position".

Definition at line 189 of file ObjectList.h.

  {
    value->setParent( this );
    return m_list.insert( position, value );
  }

template<class TYPE>

ObjectList<TYPE>::size_type ObjectList< TYPE >::max_size ( ) const

inline

Return the largest possible size of the container.

Definition at line 114 of file ObjectList.h.

{ return m_list.max_size(); }

template<class TYPE>

ObjectList<TYPE>::size_type ObjectList< TYPE >::numberOfObjects ( ) const

inlineoverridevirtual

The same as size(), return number of objects in the container.

Implements ObjectContainerBase.

Definition at line 111 of file ObjectList.h.

{ return m_list.size(); }

template<class TYPE>

ObjectList& ObjectList< TYPE >::operator= ( const ObjectList< TYPE > &  )

delete

template<class TYPE>

void ObjectList< TYPE >::pop_back ( )

inline

pop_back = remove the last element from the container The removed object will be deleted (see the method release)

Definition at line 157 of file ObjectList.h.

  {
    auto position = m_list.back();
    // Set the back pointer to 0 to avoid repetitional searching
    // for the object in the container, and deleting the object
    position->setParent( nullptr );
    delete position;
    // Removing from the container itself
    m_list.pop_back();
  }

template<class TYPE>

void ObjectList< TYPE >::push_back ( typename ObjectList< TYPE >::const_reference  value )

inline

push_back = append = insert a new element at the end of the container

Definition at line 132 of file ObjectList.h.

  {
    if ( value->parent() ) {
      const_cast<ObjectContainerBase*>( value->parent() )->remove( value );
    }
    value->setParent( this );
    m_list.push_back( value );
  }

template<class TYPE>

ObjectList<TYPE>::reverse_iterator ObjectList< TYPE >::rbegin ( )

inline

Return a reverse_iterator pointing to the beginning of the reversed container.

Definition at line 91 of file ObjectList.h.

{ return m_list.rbegin(); }

template<class TYPE>

ObjectList<TYPE>::const_reverse_iterator ObjectList< TYPE >::rbegin ( ) const

inline

Return a const_reverse_iterator pointing to the beginning of the reversed container.

Definition at line 94 of file ObjectList.h.

{ return m_list.rbegin(); }

template<class TYPE>

long ObjectList< TYPE >::remove ( ContainedObject *  value )

inlineoverridevirtual

Release object from the container (the pointer will be removed from the container, but the object itself will remain alive) (see the method pop_back)

Implements ObjectContainerBase.

Definition at line 170 of file ObjectList.h.

  {
    // Find the object of value value
    long idx  = 0;
    auto iter = std::find_if( begin(), end(), [&]( const ContainedObject* i ) { return i == value; } );
    if ( iter == end() ) {
      // Object cannot be released from the container,
      // as it is not contained in it
      return -1;
    }

    // Set the back pointer to 0 to avoid repetitional searching
    // for the object in the container and deleting the object
    ( *iter )->setParent( nullptr );
    erase( iter );
    return idx;
  }

template<class TYPE>

ObjectList<TYPE>::reverse_iterator ObjectList< TYPE >::rend ( )

inline

Return a reverse_iterator pointing to the end of the reversed container.

Definition at line 97 of file ObjectList.h.

{ return m_list.rend(); }

template<class TYPE>

ObjectList<TYPE>::const_reverse_iterator ObjectList< TYPE >::rend ( ) const

inline

Return a const_reverse_iterator pointing to the end of the reversed container.

Definition at line 100 of file ObjectList.h.

{ return m_list.rend(); }

template<class TYPE>

ObjectList<TYPE>::size_type ObjectList< TYPE >::size ( ) const

inline

Return the size of the container Size means the number of objects stored in the container, independently on the amount of information stored in each object.

Definition at line 105 of file ObjectList.h.

  {
    // C++11: std::list::size is constant (pre C++11 it could be linear!)
    return m_list.size();
  }

Member Data Documentation

template<class TYPE>

std::list<TYPE*> ObjectList< TYPE >::m_list

private

The STL list.

Definition at line 257 of file ObjectList.h.

---

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

• GaudiKernel/GaudiKernel/ContainedObject.h
• GaudiKernel/GaudiKernel/ObjectList.h