tools::rroot::ntuple::column_ref< T, LEAF > Class Template Reference

Inheritance diagram for tools::rroot::ntuple::column_ref< T, LEAF >:

Collaboration diagram for tools::rroot::ntuple::column_ref< T, LEAF >:

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_ref (ifile &a_file, branch &a_branch, LEAF &a_leaf, int64 &a_index, T &a_ref)
virtual	~column_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_ref (const column_ref &a_from)
column_ref &	operator= (const column_ref &a_from)
bool	_fetch_entry () const

Protected Attributes
ifile &	m_file
branch &	m_branch
LEAF &	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 T, class LEAF>
class tools::rroot::ntuple::column_ref< T, LEAF >

Definition at line 52 of file ntuple.

Constructor & Destructor Documentation

column_ref() [1/2]

template<class T , class LEAF >

tools::rroot::ntuple::column_ref< T, LEAF >::column_ref ( ifile &  a_file, branch &  a_branch, LEAF &  a_leaf, int64 &  a_index, T &  a_ref  )

inline

Definition at line 72 of file ntuple.

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

~column_ref()

template<class T , class LEAF >

virtual tools::rroot::ntuple::column_ref< T, LEAF >::~column_ref ( )

inlinevirtual

Definition at line 79 of file ntuple.

{}

column_ref() [2/2]

template<class T , class LEAF >

tools::rroot::ntuple::column_ref< T, LEAF >::column_ref ( const column_ref< T, LEAF > &  a_from )

inlineprotected

Definition at line 81 of file ntuple.

    :read::icol(a_from)
    ,parent(a_from)
    ,m_file(a_from.m_file)
    ,m_branch(a_from.m_branch)
    ,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 T , class LEAF >

bool tools::rroot::ntuple::column_ref< T, LEAF >::_fetch_entry ( ) const

inlineprotected

Definition at line 96 of file ntuple.

                              {
      unsigned int n;
      if(!m_branch.find_entry(m_file,uint32(m_index),n)) {m_ref = T();return false;}
      if(!m_leaf.num_elem()) {m_ref = T();return true;} //it is ok. It may be a vector from a row_wise ntuple column.
      typename LEAF::value_t _tmp;
      if(!m_leaf.value(0,_tmp)) return false;
      m_ref = T(_tmp);
      return true;
    }

cast()

template<class T , class LEAF >

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

inlinevirtual

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

Reimplemented in tools::rroot::ntuple::column< T, LEAF >.

Definition at line 57 of file ntuple.

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

fetch_entry()

template<class T , class LEAF >

virtual bool tools::rroot::ntuple::column_ref< T, LEAF >::fetch_entry ( ) const

inlinevirtual

Reimplemented from tools::read::icol.

Definition at line 65 of file ntuple.

{return _fetch_entry();}

get_entry()

template<class T , class LEAF >

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

inlinevirtual

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

Definition at line 66 of file ntuple.

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

id_class()

template<class T , class LEAF >

static cid tools::rroot::ntuple::column_ref< T, LEAF >::id_class ( )

inlinestatic

Definition at line 55 of file ntuple.

{return 200+_cid(T())+10000;}

id_cls()

template<class T , class LEAF >

virtual cid tools::rroot::ntuple::column_ref< T, LEAF >::id_cls ( ) const

inlinevirtual

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

Reimplemented in tools::rroot::ntuple::column< T, LEAF >.

Definition at line 61 of file ntuple.

{return id_class();}

name()

template<class T , class LEAF >

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

inlinevirtual

Implements tools::read::icol.

Definition at line 63 of file ntuple.

{return m_leaf.name();}

operator=()

template<class T , class LEAF >

column_ref& tools::rroot::ntuple::column_ref< T, LEAF >::operator= ( const column_ref< T, LEAF > &  a_from )

inlineprotected

Definition at line 90 of file ntuple.

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

Member Data Documentation

m_branch

template<class T , class LEAF >

branch& tools::rroot::ntuple::column_ref< T, LEAF >::m_branch

protected

Definition at line 107 of file ntuple.

m_file

template<class T , class LEAF >

ifile& tools::rroot::ntuple::column_ref< T, LEAF >::m_file

protected

Definition at line 106 of file ntuple.

m_index

template<class T , class LEAF >

int64& tools::rroot::ntuple::column_ref< T, LEAF >::m_index

protected

Definition at line 109 of file ntuple.

m_leaf

template<class T , class LEAF >

LEAF& tools::rroot::ntuple::column_ref< T, LEAF >::m_leaf

protected

Definition at line 108 of file ntuple.

m_ref

template<class T , class LEAF >

T& tools::rroot::ntuple::column_ref< T, LEAF >::m_ref

protected

Definition at line 110 of file ntuple.

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

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