Inheritance diagram for tools::hdf5::ntuple::column_ref< T >:

Collaboration diagram for tools::hdf5::ntuple::column_ref< T >:

[legend]

Public Member Functions
virtual void *	cast (tools::cid a_class) const

virtual tools::cid	id_cls () const

virtual bool	add ()

virtual bool	fetch_entry ()

virtual void	reset ()

virtual const std::string &	name () const

virtual bool	set_basket_size (size_t a_size)

	column_ref (store &a_store, pages &a_pages, bool a_write, const std::string &a_name, size_t a_basket_size, T &a_ref)

virtual	~column_ref ()

Public Member Functions inherited from tools::hdf5::ntuple::icol
virtual	~icol ()

Static Public Member Functions
static tools::cid	id_class ()

Protected Member Functions
	column_ref (const column_ref &a_from)

column_ref &	operator= (const column_ref &a_from)

Protected Attributes
store &	m_store

pages &	m_branch

bool	m_write

std::string	m_name

T &	m_ref

size_t	m_basket_size

size_t	m_basket_pos

size_t	m_basket_end

T *	m_basket

size_t	m_want_new_basket_size

Detailed Description

template<class T>
class tools::hdf5::ntuple::column_ref< T >

Definition at line 46 of file ntuple.

Constructor & Destructor Documentation

◆ column_ref() [1/2]

template<class T >

tools::hdf5::ntuple::column_ref< T >::column_ref	(	store &	a_store,
		pages &	a_pages,
		bool	a_write,
		const std::string &	a_name,
		size_t	a_basket_size,
		T &	a_ref
	)

inline

Definition at line 124 of file ntuple.

     :m_store(a_store)
     ,m_branch(a_pages)
     ,m_write(a_write)
     ,m_name(a_name)
     ,m_ref(a_ref)
     ,m_basket_size(a_basket_size?a_basket_size:32000)
     ,m_basket_pos(0)
     ,m_basket_end(0) //read.
     ,m_basket(0)
     ,m_want_new_basket_size(0)
     {
 #ifdef TOOLS_MEM
       tools::mem::increment(s_class().c_str());
 #endif
       m_basket = new T[m_basket_size];
       if(m_write) {
       } else { //read.
         tools::uint64 _entries = m_branch.entries();
         size_t n = tools::mn<size_t>((size_t)_entries,m_basket_size);
         if(_entries) {
           if(!m_branch.read_page<T>(n,m_basket)) {
             m_store.out() << "tools::hdf5::ntuple::column_ref:column_ref : read_page() failed." << std::endl;
             m_basket_pos = 0;
             m_basket_end = 0;
             return;
           }
         }
     m_basket_pos = 0;
     m_basket_end = n;
       }
     }

◆ ~column_ref()

template<class T >

virtual tools::hdf5::ntuple::column_ref< T >::~column_ref ( )

inlinevirtual

Definition at line 156 of file ntuple.

                          {
       if(m_write && m_basket_pos) {
         if(!m_branch.write_page<T>(m_basket_pos,m_basket)) {
           m_store.out() << "tools::hdf5::ntuple::column_ref::~column_ref : write_page() failed." << std::endl;
         }
       }
       delete [] m_basket;
 #ifdef TOOLS_MEM
       tools::mem::decrement(s_class().c_str());
 #endif
     }

◆ column_ref() [2/2]

template<class T >

tools::hdf5::ntuple::column_ref< T >::column_ref ( const column_ref< T > & a_from )

inlineprotected

Definition at line 168 of file ntuple.

     :icol(a_from)
     ,m_store(a_from.m_store)
     ,m_branch(a_from.m_branch)
     ,m_write(a_from.m_write)
     ,m_name(a_from.m_name)
     ,m_ref(a_from.m_ref)
     ,m_basket_size(a_from.m_basket_size)
     ,m_basket_pos(0)
     ,m_basket_end(0)
     ,m_basket(0)
     ,m_want_new_basket_size(0)
     {}

Member Function Documentation

◆ add()

template<class T >

virtual bool tools::hdf5::ntuple::column_ref< T >::add ( )

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Definition at line 64 of file ntuple.

                        { //write.
       if(!m_write) return false;
       if(m_basket_pos>=m_basket_size) {
         if(!m_branch.write_page<T>(m_basket_size,m_basket)) {
           m_store.out() << "tools::hdf5::ntuple::column_ref::add : write_page() failed." << std::endl;
           m_basket_pos = 0;
           return false;
     }
         m_basket_pos = 0;
     if(m_want_new_basket_size) {
       delete [] m_basket;
       m_basket = new T[m_want_new_basket_size];
       m_basket_pos = 0;
       m_basket_size = m_want_new_basket_size;
       m_want_new_basket_size = 0;
     }
       }
       m_basket[m_basket_pos] = m_ref;
       m_basket_pos++;
       return true;
     }

◆ cast()

template<class T >

virtual void* tools::hdf5::ntuple::column_ref< T >::cast ( tools::cid a_class ) const

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Reimplemented in tools::hdf5::ntuple::column< T >.

Definition at line 58 of file ntuple.

                                                {
       if(void* p = tools::cmp_cast<column_ref>(this,a_class)) {return p;}
       else return 0;
     }

◆ fetch_entry()

template<class T >

virtual bool tools::hdf5::ntuple::column_ref< T >::fetch_entry ( )

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Definition at line 85 of file ntuple.

                                { //read.
       if(m_write) return false;
       if(m_basket_pos>=m_basket_end) { //we need more data.
         if(m_branch.pos()>=m_branch.entries()) {
           m_store.out() << "tools::hdf5::ntuple::column_ref:fetch_entry : no more data." << std::endl;
           m_basket_pos = 0;
           m_basket_end = 0;
           return false;
     }
     if(m_want_new_basket_size) {
       delete [] m_basket;
       m_basket = new T[m_want_new_basket_size];
       m_basket_pos = 0;
       m_basket_size = m_want_new_basket_size;
       m_want_new_basket_size = 0;
     }
         tools::uint64 remain = m_branch.entries()-m_branch.pos();
         size_t n = tools::mn<size_t>((size_t)remain,m_basket_size);
         if(!m_branch.read_page<T>(n,m_basket)) {
           m_store.out() << "tools::hdf5::ntuple::column_ref:fetch_entry : read_page() failed." << std::endl;
           m_basket_pos = 0;
           m_basket_end = 0;
           return false;
         }
         m_basket_pos = 0;
         m_basket_end = n;
       }
       m_ref = m_basket[m_basket_pos];
       m_basket_pos++;
       return true;
     }

◆ id_class()

template<class T >

static tools::cid tools::hdf5::ntuple::column_ref< T >::id_class ( )

inlinestatic

Definition at line 54 of file ntuple.

                                {
       static const T s_v = T(); //do that for T = std::string.
       return tools::_cid(s_v)+10000;
     }

◆ id_cls()

template<class T >

virtual tools::cid tools::hdf5::ntuple::column_ref< T >::id_cls ( ) const

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Reimplemented in tools::hdf5::ntuple::column< T >.

Definition at line 62 of file ntuple.

62 {return id_class();}

◆ name()

template<class T >

virtual const std::string& tools::hdf5::ntuple::column_ref< T >::name ( ) const

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Definition at line 117 of file ntuple.

117 {return m_name;}

◆ operator=()

template<class T >

column_ref& tools::hdf5::ntuple::column_ref< T >::operator= ( const column_ref< T > & a_from )

inlineprotected

Definition at line 181 of file ntuple.

                                                    {
       if(&a_from==this) return *this;
       m_name = a_from.m_name;
       m_basket_size = a_from.m_basket_size;
       m_basket_pos = 0;
       m_basket_end = 0;
       m_want_new_basket_size = 0;
       return *this;
     }

◆ reset()

template<class T >

virtual void tools::hdf5::ntuple::column_ref< T >::reset ( )

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Definition at line 116 of file ntuple.

116 {m_branch.reset_pos();}

◆ set_basket_size()

template<class T >

virtual bool tools::hdf5::ntuple::column_ref< T >::set_basket_size ( size_t a_size )

inlinevirtual

Implements tools::hdf5::ntuple::icol.

Definition at line 118 of file ntuple.

                                                 {
       if(!a_size) return false;
       m_want_new_basket_size = a_size;
       return true;
     }

Definition at line 193 of file ntuple.

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

/Users/barrand/private/dev/softinex/g4tools/g4tools/tools/hdf5/ntuple

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class T> class tools::hdf5::ntuple::column_ref< T >

Constructor & Destructor Documentation

◆ column_ref() [1/2]

◆ ~column_ref()

◆ column_ref() [2/2]

Member Function Documentation

◆ add()

◆ cast()

◆ fetch_entry()

◆ id_class()

◆ id_cls()

◆ name()

◆ operator=()

◆ reset()

◆ set_basket_size()

Member Data Documentation

◆ m_basket

◆ m_basket_end

◆ m_basket_pos

◆ m_basket_size

◆ m_branch

◆ m_name

◆ m_ref

◆ m_store

◆ m_want_new_basket_size

◆ m_write

template<class T>
class tools::hdf5::ntuple::column_ref< T >