JROOT::JActionAtFileOpen< T > Class Template Reference

Auxiliary class to handle version management of given class at opening of a ROOT file. More...

#include <JRootSupportkit.hh>

Inheritance diagram for JROOT::JActionAtFileOpen< T >:

Static Public Member Functions
static void	execute (TFile *file)
	Execute action.

Static Public Attributes
static const bool	has_method = JTEST(test<T>(NULL))
	true if class has policy method actionAtFileOpen; else false

Static Private Member Functions
template<class U >
static JTrue	test (JTypecheck< void(*)(int), &U::actionAtFileOpen > *)
static void	execute (TFile *file, std::true_type option)
	Execute action.
static void	execute (TFile *file, std::false_type option)
	Execute action.
static JFalse	test (...)
	default false

Detailed Description

template<class T>
class JROOT::JActionAtFileOpen< T >

Auxiliary class to handle version management of given class at opening of a ROOT file.

Definition at line 32 of file JRootSupportkit.hh.

Member Function Documentation

test() [1/2]

template<class T >

template<class U >

static JTrue JROOT::JActionAtFileOpen< T >::test ( JTypecheck< void(*  )(int), &U::actionAtFileOpen > * )

staticprivate

execute() [1/3]

template<class T >

static void JROOT::JActionAtFileOpen< T >::execute ( TFile * file, std::true_type option )

inlinestaticprivate

Execute action.

This implementation transfers the action to the given class.

Parameters

file	pointer to file
option	true

Definition at line 48 of file JRootSupportkit.hh.

    {
      T::actionAtFileOpen(getStreamerVersion(file, T::Class_Name()));
    }

execute() [2/3]

template<class T >

static void JROOT::JActionAtFileOpen< T >::execute ( TFile * file, std::false_type option )

inlinestaticprivate

Execute action.

This implementation does nothing.

Parameters

file	pointer to file
option	false

Definition at line 62 of file JRootSupportkit.hh.

    {}

execute() [3/3]

template<class T >

static void JROOT::JActionAtFileOpen< T >::execute ( TFile * file )

inlinestatic

Execute action.

Parameters

file	pointer to file

Definition at line 75 of file JRootSupportkit.hh.

    {
      execute(file, std::bool_constant<has_method>());
    }

test() [2/2]

template<class T >

static JFalse JLANG::JTest::test ( ... )

staticprivate

default false

Member Data Documentation

has_method

template<class T >

const bool JROOT::JActionAtFileOpen< T >::has_method = JTEST(test<T>(NULL))

static

true if class has policy method actionAtFileOpen; else false

Definition at line 67 of file JRootSupportkit.hh.

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

• JRootSupportkit.hh