tools::rroot::ntuple::column_element_ref< RT, T > Class Template Reference

Inheritance diagram for tools::rroot::ntuple::column_element_ref< RT, T >:

Collaboration diagram for tools::rroot::ntuple::column_element_ref< RT, T >:

Public Member Functions
virtual void *	cast (cid a_class) const
virtual cid	id_cls () const
virtual const std::string &	name () const
virtual bool	fetch_entry () const
virtual bool	get_entry (T &a_v) const
	column_element_ref (ifile &a_file, branch_element &a_branch, leaf_element &a_leaf, int64 &a_index, T &a_ref)
virtual	~column_element_ref ()
Public Member Functions inherited from tools::read::icolumn< T >
virtual	~icolumn ()
Public Member Functions inherited from tools::read::icol
virtual	~icol ()
virtual void	stop ()

Static Public Member Functions
static cid	id_class ()
Static Public Member Functions inherited from tools::read::icolumn< T >
static cid	id_class ()

Protected Member Functions
	column_element_ref (const column_element_ref &a_from)
column_element_ref &	operator= (const column_element_ref &a_from)
bool	_fetch_entry () const

Protected Attributes
ifile &	m_file
branch_element &	m_be
leaf_element &	m_leaf
int64 &	m_index
T &	m_ref

Additional Inherited Members
Public Types inherited from tools::read::icolumn< T >
typedef T	entry_t

Detailed Description

template<class RT, class T>
class tools::rroot::ntuple::column_element_ref< RT, T >

Definition at line 392 of file ntuple.

Constructor & Destructor Documentation

column_element_ref() [1/2]

template<class RT , class T >

tools::rroot::ntuple::column_element_ref< RT, T >::column_element_ref ( ifile &  a_file, branch_element &  a_branch, leaf_element &  a_leaf, int64 &  a_index, T &  a_ref  )

inline

Definition at line 412 of file ntuple.

    :m_file(a_file)
    ,m_be(a_branch)
    ,m_leaf(a_leaf)
    ,m_index(a_index) //WARNING : we keep the ref !
    ,m_ref(a_ref)
    {}

~column_element_ref()

template<class RT , class T >

virtual tools::rroot::ntuple::column_element_ref< RT, T >::~column_element_ref ( )

inlinevirtual

Definition at line 419 of file ntuple.

{}

column_element_ref() [2/2]

template<class RT , class T >

tools::rroot::ntuple::column_element_ref< RT, T >::column_element_ref ( const column_element_ref< RT, T > &  a_from )

inlineprotected

Definition at line 421 of file ntuple.

    :read::icol(a_from),parent(a_from)
    ,m_file(a_from.m_file)
    ,m_be(a_from.m_be)
    ,m_leaf(a_from.m_leaf)
    ,m_index(a_from.m_index)
    ,m_ref(a_from.m_ref)
    {}

Member Function Documentation

_fetch_entry()

template<class RT , class T >

bool tools::rroot::ntuple::column_element_ref< RT, T >::_fetch_entry ( ) const

inlineprotected

Definition at line 434 of file ntuple.

                              {
      unsigned int n;
      if(!m_be.find_entry(m_file,uint32(m_index),n)) {m_ref = T();return false;}
      iro* obj = m_be.object(); //Not owner.
      if(!obj)  {m_ref = T();return false;}
      RT* v = id_cast<iro,RT>(*obj);
      if(!v)  {m_ref = T();return false;}
      m_ref = *v; //it assumes a T::operator=(RT)
      return true;
    }

cast()

template<class RT , class T >

virtual void* tools::rroot::ntuple::column_element_ref< RT, T >::cast ( cid  a_class ) const

inlinevirtual

Reimplemented from tools::read::icolumn< T >.

Reimplemented in tools::rroot::ntuple::column_element< RT, T >.

Definition at line 397 of file ntuple.

                                          {
      if(void* p = cmp_cast<column_element_ref>(this,a_class)) return p;
      return parent::cast(a_class);
    }

fetch_entry()

template<class RT , class T >

virtual bool tools::rroot::ntuple::column_element_ref< RT, T >::fetch_entry ( ) const

inlinevirtual

Reimplemented from tools::read::icol.

Definition at line 405 of file ntuple.

{return _fetch_entry();}

get_entry()

template<class RT , class T >

virtual bool tools::rroot::ntuple::column_element_ref< RT, T >::get_entry ( T &  a_v ) const

inlinevirtual

Implements tools::read::icolumn< T >.

Definition at line 406 of file ntuple.

                                         {
      if(!_fetch_entry()) {a_v = T();return false;}
      a_v = m_ref;
      return true;
    }

id_class()

template<class RT , class T >

static cid tools::rroot::ntuple::column_element_ref< RT, T >::id_class ( )

inlinestatic

Definition at line 395 of file ntuple.

{return 300+_cid(T())+10000;}

id_cls()

template<class RT , class T >

virtual cid tools::rroot::ntuple::column_element_ref< RT, T >::id_cls ( ) const

inlinevirtual

Reimplemented from tools::read::icolumn< T >.

Reimplemented in tools::rroot::ntuple::column_element< RT, T >.

Definition at line 401 of file ntuple.

{return id_class();}

name()

template<class RT , class T >

virtual const std::string& tools::rroot::ntuple::column_element_ref< RT, T >::name ( ) const

inlinevirtual

Implements tools::read::icol.

Definition at line 403 of file ntuple.

{return m_leaf.name();}

operator=()

template<class RT , class T >

column_element_ref& tools::rroot::ntuple::column_element_ref< RT, T >::operator= ( const column_element_ref< RT, T > &  a_from )

inlineprotected

Definition at line 429 of file ntuple.

                                                                   {
      if(&a_from==this) return *this;
      return *this;
    }

Member Data Documentation

m_be

template<class RT , class T >

branch_element& tools::rroot::ntuple::column_element_ref< RT, T >::m_be

protected

Definition at line 446 of file ntuple.

m_file

template<class RT , class T >

ifile& tools::rroot::ntuple::column_element_ref< RT, T >::m_file

protected

Definition at line 445 of file ntuple.

m_index

template<class RT , class T >

int64& tools::rroot::ntuple::column_element_ref< RT, T >::m_index

protected

Definition at line 448 of file ntuple.

m_leaf

template<class RT , class T >

leaf_element& tools::rroot::ntuple::column_element_ref< RT, T >::m_leaf

protected

Definition at line 447 of file ntuple.

m_ref

template<class RT , class T >

T& tools::rroot::ntuple::column_element_ref< RT, T >::m_ref

protected

Definition at line 449 of file ntuple.

---

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

• /Users/barrand/private/dev/softinex/g4tools/g4tools/tools/rroot/ntuple