Auxiliary class to sample from a list of files. More...

#include <JMultipleFileSampler.hh>

Inheritance diagram for JSUPPORT::JMultipleFileSampler< T, JSampler_t >:

Public Types
typedef JSampler_t< T >	sampler_type

typedef JTemplate< JType_t >	template_type

typedef JObjectIterator< T >::pointer_type	pointer_type

Public Member Functions
	JMultipleFileSampler (const sampler_type &sampler=sampler_type())
	Constructor. More...

	operator const JType_t & () const
	Type conversion. More...

	operator JType_t & ()
	Type conversion. More...

const JType_t *	operator-> () const
	Smart pointer operator. More...

JType_t *	operator-> ()
	Smart pointer operator. More...

template<class T , bool use_polymorphism = false>
const T &	get () const
	Get reference to object. More...

template<class T , bool use_polymorphism = false>
T &	get ()
	Get reference to object. More...

template_type &	set (const JType_t &value)
	Set value. More...

template<bool use_polymorphism, class T >
template_type &	set (const T &value)
	Set value. More...

virtual bool	hasNext ()
	Check availability of next element. More...

virtual const pointer_type &	next ()
	Get next element. More...

const JSampler_t< T > &	getSampler () const
	Get sampler. More...

JSampler_t< T > &	getSampler ()
	Get sampler. More...

virtual skip_type	skip (const skip_type ns)
	Skip items. More...

Protected Member Functions
const JType_t &	c_get (JBool< true > option) const
	Get reference to object. More...

JType_t &	c_get (JBool< true > option)
	Get reference to object. More...

template<class T >
template_type &	c_set (const T &value, JBool< true > option)
	Set value. More...

Protected Attributes
JType_t	object
	object More...

JRewindableObjectIterator< T > &	in

JSampler_t< T >	sampler

JPointer< T >	ps

bool	has_next

Detailed Description

template<class T, template< class > class JSampler_t = JSampler>
struct JSUPPORT::JMultipleFileSampler< T, JSampler_t >

Auxiliary class to sample from a list of files.

Definition at line 28 of file JMultipleFileSampler.hh.

Member Typedef Documentation

◆ sampler_type

template<class T, template< class > class JSampler_t = JSampler>

typedef JSampler_t<T> JSUPPORT::JMultipleFileSampler< T, JSampler_t >::sampler_type

Definition at line 33 of file JMultipleFileSampler.hh.

◆ template_type

template<class JType_t>

typedef JTemplate<JType_t> JLANG::JTemplate< JType_t >::template_type

inherited

Definition at line 42 of file JTemplate.hh.

◆ pointer_type

template<class T, template< class > class JSampler_t = JSampler>

typedef JObjectIterator<T>::pointer_type JLANG::JObjectSampler< T, JSampler_t >::pointer_type

inherited

Definition at line 35 of file JObjectSampler.hh.

Constructor & Destructor Documentation

◆ JMultipleFileSampler()

template<class T, template< class > class JSampler_t = JSampler>

JSUPPORT::JMultipleFileSampler< T, JSampler_t >::JMultipleFileSampler ( const sampler_type & sampler = sampler_type() )

inline

Constructor.

Parameters

sampler sampler

Definition at line 41 of file JMultipleFileSampler.hh.

                                                                        :
       JTemplate< JMultipleFileScanner<T> >(),
       JObjectSampler<T, JSampler_t>(this->template get<JRewindableObjectIterator<T>,true>(), sampler)
     {}

Member Function Documentation

◆ operator const JType_t &()

template<class JType_t>

JLANG::JTemplate< JType_t >::operator const JType_t & ( ) const

inlineinherited

Type conversion.

Returns: reference to object

Definition at line 68 of file JTemplate.hh.

     {
       return object;
     }

◆ operator JType_t &()

template<class JType_t>

JLANG::JTemplate< JType_t >::operator JType_t & ( )

inlineinherited

Type conversion.

Returns: reference to object

Definition at line 79 of file JTemplate.hh.

     {
       return object;
     }

◆ operator->() [1/2]

template<class JType_t>

const JType_t* JLANG::JTemplate< JType_t >::operator-> ( ) const

inlineinherited

Smart pointer operator.

Returns: pointer to object

Definition at line 90 of file JTemplate.hh.

     { 
       return &object;
     }

◆ operator->() [2/2]

template<class JType_t>

JType_t* JLANG::JTemplate< JType_t >::operator-> ( )

inlineinherited

Smart pointer operator.

Returns: pointer to object

Definition at line 101 of file JTemplate.hh.

     { 
       return &object;
     }

◆ get() [1/2]

template<class JType_t>

template<class T , bool use_polymorphism = false>

const T& JLANG::JTemplate< JType_t >::get ( ) const

inlineinherited

Get reference to object.

Returns: reference to object

Definition at line 113 of file JTemplate.hh.

     {
       return this->c_get(JBool<use_polymorphism>().template c_switch<JConversion<JType_t, T>::is_derived, JConversion<JType_t, T>::is_same>());
     }

◆ get() [2/2]

template<class JType_t>

template<class T , bool use_polymorphism = false>

T& JLANG::JTemplate< JType_t >::get ( )

inlineinherited

Get reference to object.

Returns: reference to object

Definition at line 125 of file JTemplate.hh.

     {
       return this->c_get(JBool<use_polymorphism>().template c_switch<JConversion<JType_t, T>::is_derived, JConversion<JType_t, T>::is_same>());
     }

◆ set() [1/2]

template<class JType_t>

template_type& JLANG::JTemplate< JType_t >::set ( const JType_t & value )

inlineinherited

Set value.

Parameters

value value

Returns: this object

Definition at line 137 of file JTemplate.hh.

     {
       return c_set(value, JBool<true>());
     }

◆ set() [2/2]

template<class JType_t>

template<bool use_polymorphism, class T >

template_type& JLANG::JTemplate< JType_t >::set ( const T & value )

inlineinherited

Set value.

Parameters

value value

Returns: this object

Definition at line 150 of file JTemplate.hh.

     {
       return this->c_set(value, JBool<use_polymorphism>::template c_switch<JConstructor<JType_t, T>::has_constructor, JConversion<JType_t, T>::is_same>());
     }

◆ c_get() [1/2]

template<class JType_t>

const JType_t& JLANG::JTemplate< JType_t >::c_get ( JBool< true > option ) const

inlineprotectedinherited

Get reference to object.

Parameters

option true

Returns: reference to object

Definition at line 188 of file JTemplate.hh.

     {
       return object;
     }

◆ c_get() [2/2]

template<class JType_t>

JType_t& JLANG::JTemplate< JType_t >::c_get ( JBool< true > option )

inlineprotectedinherited

Get reference to object.

Parameters

option true

Returns: reference to object

Definition at line 200 of file JTemplate.hh.

     {
       return object;
     }

◆ c_set()

template<class JType_t>

template<class T >

template_type& JLANG::JTemplate< JType_t >::c_set	(	const T &	value,
		JBool< true >	option
	)

inlineprotectedinherited

Set value.

Parameters

value	value
option	true

Returns: this object

Definition at line 214 of file JTemplate.hh.

     {
       object = value;
  
       return *this;
     }

◆ hasNext()

template<class T, template< class > class JSampler_t = JSampler>

virtual bool JLANG::JObjectSampler< T, JSampler_t >::hasNext ( )

inlinevirtualinherited

Check availability of next element.

Returns: true if the iteration has more elements; else false

Implements JLANG::JObjectIterator< T >.

Definition at line 68 of file JObjectSampler.hh.

     {
       while (!has_next) {
  
         if (!in.hasNext()) {
           in.rewind();
         }
  
         if (in.hasNext()) {
  
           ps.set(in.next());
           
           skip_type ns = sampler(*ps);
  
           if (ns == 0) {
  
             has_next = true;
  
           } else {
  
             while ((ns -= in.skip(ns)) != 0) {
               in.rewind();
             }
           }
  
         } else {
  
           // nothing to sample
           
           break;
         }
       }
  
       return has_next;
     }

◆ next()

template<class T, template< class > class JSampler_t = JSampler>

virtual const pointer_type& JLANG::JObjectSampler< T, JSampler_t >::next ( )

inlinevirtualinherited

Get next element.

Returns: pointer to element

Implements JLANG::JObjectIterator< T >.

Definition at line 110 of file JObjectSampler.hh.

     {
       if (!has_next) {
         ps.reset(NULL);
       }
  
       has_next = false;
       
       return ps;
     }

◆ getSampler() [1/2]

template<class T, template< class > class JSampler_t = JSampler>

const JSampler_t<T>& JLANG::JObjectSampler< T, JSampler_t >::getSampler ( ) const

inlineinherited

Get sampler.

Returns: sampler

Definition at line 127 of file JObjectSampler.hh.

     {
       return sampler;
     }

◆ getSampler() [2/2]

template<class T, template< class > class JSampler_t = JSampler>

JSampler_t<T>& JLANG::JObjectSampler< T, JSampler_t >::getSampler ( )

inlineinherited

Get sampler.

Returns: sampler

Definition at line 138 of file JObjectSampler.hh.

     {
       return sampler;
     }

◆ skip()

template<class T>

virtual skip_type JLANG::JObjectIterator< T >::skip ( const skip_type ns )

inlinevirtualinherited

Skip items.

Parameters

ns	number of items to skip

Returns: number of items skipped

Reimplemented in JLANG::JPipe< T >, JLANG::JPipe< JTail_t >, JLANG::JPipe< JHead_t >, JLANG::JSTDObjectIterator< T >, JLANG::JAbstractObjectReader< T >, JLANG::JAbstractObjectReader< const T >, JLANG::JAbstractObjectReader< JTail_t >, JLANG::JAbstractObjectReader< JHead_t >, JLANG::JAbstractObjectReader< KM3NETDAQ::JDAQEvent >, JLANG::JAbstractObjectReader< JDAQSummaryslice >, and JLANG::JAbstractObjectReader< JTypeList< JDAQEvent, JTypelist_t > >.

Definition at line 88 of file JObjectIterator.hh.

     {
       skip_type i = 0;
  
       for ( ; i != ns && hasNext(); ++i) {
         next();
       }
  
       return i;
     }

Member Data Documentation

◆ object

template<class JType_t>

JType_t JLANG::JTemplate< JType_t >::object

protectedinherited

object

Definition at line 222 of file JTemplate.hh.

◆ in

template<class T, template< class > class JSampler_t = JSampler>

JRewindableObjectIterator<T>& JLANG::JObjectSampler< T, JSampler_t >::in

protectedinherited

Definition at line 144 of file JObjectSampler.hh.

◆ sampler

template<class T, template< class > class JSampler_t = JSampler>

JSampler_t<T> JLANG::JObjectSampler< T, JSampler_t >::sampler

protectedinherited

Definition at line 145 of file JObjectSampler.hh.

◆ ps

template<class T, template< class > class JSampler_t = JSampler>

JPointer<T> JLANG::JObjectSampler< T, JSampler_t >::ps

protectedinherited

Definition at line 146 of file JObjectSampler.hh.

◆ has_next

template<class T, template< class > class JSampler_t = JSampler>

bool JLANG::JObjectSampler< T, JSampler_t >::has_next

protectedinherited

Definition at line 147 of file JObjectSampler.hh.

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

JMultipleFileSampler.hh

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class T, template< class > class JSampler_t = JSampler> struct JSUPPORT::JMultipleFileSampler< T, JSampler_t >

Member Typedef Documentation

◆ sampler_type

◆ template_type

◆ pointer_type

Constructor & Destructor Documentation

◆ JMultipleFileSampler()

Member Function Documentation

◆ operator const JType_t &()

◆ operator JType_t &()

◆ operator->() [1/2]

◆ operator->() [2/2]

◆ get() [1/2]

◆ get() [2/2]

◆ set() [1/2]

◆ set() [2/2]

◆ c_get() [1/2]

◆ c_get() [2/2]

◆ c_set()

◆ hasNext()

◆ next()

◆ getSampler() [1/2]

◆ getSampler() [2/2]

◆ skip()

Member Data Documentation

◆ object

◆ in

◆ sampler

◆ ps

◆ has_next

template<class T, template< class > class JSampler_t = JSampler>
struct JSUPPORT::JMultipleFileSampler< T, JSampler_t >