FWItemRangeAccessor< C, R, V > Class Template Reference

#include <FWItemRandomAccessor.h>

Inheritance diagram for FWItemRangeAccessor< C, R, V >:

Public Types
typedef C	container_type
typedef R	range_type
typedef V	value_type

Public Member Functions
	FWItemRangeAccessor (const TClass *iClass)
const void *	modelData (int iIndex) const override
const std::string &	purpose () const
unsigned int	size () const override
const std::string &	typeName () const
Public Member Functions inherited from FWItemRandomAccessorBase
const void *	data () const override
bool	isCollection () const override
const TClass *	modelType () const override
void	reset () override
void	setData (const edm::ObjectWithDict &) override
	override if id of an object should be different than the index More...
const TClass *	type () const override
	~FWItemRandomAccessorBase () override
Public Member Functions inherited from FWItemAccessorBase
	FWItemAccessorBase ()
virtual	~FWItemAccessorBase ()

Static Public Member Functions
static const std::string &	classPurpose ()
static const std::string &	classRegisterTypeName ()
static const std::string &	classTypeName ()

Additional Inherited Members
Protected Member Functions inherited from FWItemRandomAccessorBase
	FWItemRandomAccessorBase (const TClass *type, const std::type_info &modelTypeName)
void *	getDataPtr () const
Protected Attributes inherited from FWItemRandomAccessorBase
void *	m_data
const TClass *	m_modelType
const TClass *	m_type

Detailed Description

template<class C, class R = typename C::Range, class V = typename R::value_type>
class FWItemRangeAccessor< C, R, V >

Definition at line 173 of file FWItemRandomAccessor.h.

Member Typedef Documentation

template<class C , class R = typename C::Range, class V = typename R::value_type>

typedef C FWItemRangeAccessor< C, R, V >::container_type

Definition at line 175 of file FWItemRandomAccessor.h.

template<class C , class R = typename C::Range, class V = typename R::value_type>

typedef R FWItemRangeAccessor< C, R, V >::range_type

Definition at line 176 of file FWItemRandomAccessor.h.

template<class C , class R = typename C::Range, class V = typename R::value_type>

typedef V FWItemRangeAccessor< C, R, V >::value_type

Definition at line 177 of file FWItemRandomAccessor.h.

Constructor & Destructor Documentation

template<class C , class R = typename C::Range, class V = typename R::value_type>

FWItemRangeAccessor< C, R, V >::FWItemRangeAccessor ( const TClass *  iClass )

inline

Definition at line 179 of file FWItemRandomAccessor.h.

: FWItemRandomAccessorBase(iClass, typeid(value_type)) {}

Member Function Documentation

template<class C , class R = typename C::Range, class V = typename R::value_type>

static const std::string& FWItemRangeAccessor< C, R, V >::classPurpose ( )

static

template<class C , class R = typename C::Range, class V = typename R::value_type>

static const std::string& FWItemRangeAccessor< C, R, V >::classRegisterTypeName ( )

static

template<class C , class R = typename C::Range, class V = typename R::value_type>

static const std::string& FWItemRangeAccessor< C, R, V >::classTypeName ( )

static

template<class C , class R = typename C::Range, class V = typename R::value_type>

const void* FWItemRangeAccessor< C, R, V >::modelData ( int  iIndex ) const

inlineoverridevirtual

Implements FWItemAccessorBase.

Definition at line 183 of file FWItemRandomAccessor.h.

References HltBtagPostValidation_cff::c, HLT_2018_cff::distance, FWItemRandomAccessorBase::getDataPtr(), and mps_fire::i.

                                                   {
    if (!getDataPtr())
      return nullptr;
    const container_type *c = reinterpret_cast<const container_type *>(getDataPtr());
    size_t collectionOffset = 0;
    for (typename container_type::const_iterator ci = c->begin(), ce = c->end(); ci != ce; ++ci) {
      size_t i = iIndex - collectionOffset;
      if (i < std::distance(ci->first, ci->second))
        return &(*(ci + i));
      collectionOffset += ci->size();
    }

    return nullptr;
  }

template<class C , class R = typename C::Range, class V = typename R::value_type>

const std::string& FWItemRangeAccessor< C, R, V >::purpose ( ) const

inline

Definition at line 181 of file FWItemRandomAccessor.h.

{

template<class C , class R = typename C::Range, class V = typename R::value_type>

unsigned int FWItemRangeAccessor< C, R, V >::size ( void  ) const

inlineoverridevirtual

Implements FWItemAccessorBase.

Definition at line 198 of file FWItemRandomAccessor.h.

References HltBtagPostValidation_cff::c, HLT_2018_cff::distance, and FWItemRandomAccessorBase::getDataPtr().

Referenced by ntupleDataFormat._Collection::__iter__(), and ntupleDataFormat._Collection::__len__().

                                     {
    if (!getDataPtr())
      return 0;
    const container_type *c = reinterpret_cast<const container_type *>(getDataPtr());
    size_t finalSize = 0;

    for (typename range_type::const_iterator ci = c->begin(), ce = c->end(); ci != ce; ++ci)
      finalSize += std::distance(ci->first, ci->second);

    return finalSize;
  }

template<class C , class R = typename C::Range, class V = typename R::value_type>

const std::string& FWItemRangeAccessor< C, R, V >::typeName ( ) const

inline

Definition at line 181 of file FWItemRandomAccessor.h.

{