JSUPPORT::JTreeSampler< T, JSampler_t > Struct Template Reference

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

#include <JTreeSampler.hh>

Inheritance diagram for JSUPPORT::JTreeSampler< 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
	JTreeSampler (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 () override
	Check availability of next element. More...
virtual const pointer_type &	next () override
	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::JTreeSampler< T, JSampler_t >

Auxiliary class to sample from a list of files.

Definition at line 28 of file JTreeSampler.hh.

Member Typedef Documentation

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

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

Definition at line 33 of file JTreeSampler.hh.

template<class JType_t>

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

inherited

Definition at line 42 of file JTemplate.hh.

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 45 of file JObjectSampler.hh.

Constructor & Destructor Documentation

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

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

inline

Constructor.

Parameters

sampler

sampler

Definition at line 41 of file JTreeSampler.hh.

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

Member Function Documentation

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;
    }

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;
    }

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;
    }

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;
    }

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>());
    }

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>());
    }

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>());
    }

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>());
    }

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;
    }

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;
    }

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;
    }

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

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

inlineoverridevirtualinherited

Check availability of next element.

Returns

true if the iteration has more elements; else false

Implements JLANG::JObjectIterator< T >.

Definition at line 78 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;
    }

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

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

inlineoverridevirtualinherited

Get next element.

Returns

pointer to element

Implements JLANG::JObjectIterator< T >.

Definition at line 120 of file JObjectSampler.hh.

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

      has_next = false;
      
      return ps;
    }

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 137 of file JObjectSampler.hh.

    {
      return sampler;
    }

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 148 of file JObjectSampler.hh.

    {
      return sampler;
    }

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 event_type >, JLANG::JAbstractObjectReader< JNullType >, JLANG::JAbstractObjectReader< const T >, JLANG::JAbstractObjectReader< JTail_t >, JLANG::JAbstractObjectReader< JHead_t >, JLANG::JAbstractObjectReader< KM3NETDAQ::KM3NETDAQ::JDAQEvent >, and JLANG::JAbstractObjectReader< JDAQSummaryslice >.

Definition at line 90 of file JObjectIterator.hh.

    {
      skip_type i = 0;

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

      return i;
    }

Member Data Documentation

template<class JType_t>

JType_t JLANG::JTemplate< JType_t >::object

protectedinherited

object

Definition at line 222 of file JTemplate.hh.

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

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

protectedinherited

Definition at line 154 of file JObjectSampler.hh.

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

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

protectedinherited

Definition at line 155 of file JObjectSampler.hh.

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

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

protectedinherited

Definition at line 156 of file JObjectSampler.hh.

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

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

protectedinherited

Definition at line 157 of file JObjectSampler.hh.

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

• JTreeSampler.hh