jubatus::core::driver::recommender Class Reference

#include <recommender.hpp>

Inheritance diagram for jubatus::core::driver::recommender:

Collaboration diagram for jubatus::core::driver::recommender:

Public Member Functions
float	calc_l2norm (const fv_converter::datum &q)
float	calc_similality (const fv_converter::datum &l, const fv_converter::datum &r)
void	clear ()
void	clear_row (const std::string &id)
fv_converter::datum	complete_row_from_datum (const fv_converter::datum &dat)
fv_converter::datum	complete_row_from_id (const std::string &id)
fv_converter::datum	decode_row (const std::string &id)
std::vector< std::string >	get_all_rows ()
void	pack (framework::packer &pk) const
	recommender (jubatus::util::lang::shared_ptr< core::recommender::recommender_base > method, jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter > converter)
std::vector< std::pair< std::string, float > >	similar_row_from_datum (const fv_converter::datum &data, size_t size)
std::vector< std::pair< std::string, float > >	similar_row_from_id (const std::string &id, size_t ret_num)
void	unpack (msgpack::object o)
void	update_row (const std::string &id, const fv_converter::datum &dat)
virtual	~recommender ()
Public Member Functions inherited from jubatus::core::driver::driver_base
	driver_base ()
virtual framework::mixable *	get_mixable ()
std::vector< storage::version >	get_versions () const
virtual	~driver_base ()

Private Attributes
jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter >	converter_
jubatus::util::lang::shared_ptr< core::recommender::recommender_base >	recommender_
fv_converter::mixable_weight_manager	wm_

Additional Inherited Members
Protected Member Functions inherited from jubatus::core::driver::driver_base
void	register_mixable (framework::mixable *mixable)
Protected Attributes inherited from jubatus::core::driver::driver_base
mixable_holder	holder_

Detailed Description

Definition at line 42 of file recommender.hpp.

Constructor & Destructor Documentation

jubatus::core::driver::recommender::recommender	(	jubatus::util::lang::shared_ptr< core::recommender::recommender_base >	method,
		jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter >	converter
	)

Definition at line 44 of file recommender.cpp.

References converter_, jubatus::core::framework::linear_mixable_helper< Model, Diff >::get_model(), recommender_, jubatus::core::driver::driver_base::register_mixable(), and wm_.

    : converter_(converter),
      recommender_(recommender_method),
      wm_(mixable_weight_manager::model_ptr(new weight_manager)) {
  register_mixable(recommender_->get_mixable());
  register_mixable(&wm_);

  converter_->set_weight_manager(wm_.get_model());
}

Here is the call graph for this function:

jubatus::core::driver::recommender::~recommender ( )

virtual

Definition at line 56 of file recommender.cpp.

                          {
}

Member Function Documentation

float jubatus::core::driver::recommender::calc_l2norm

(

const fv_converter::datum &

q

)

Definition at line 125 of file recommender.cpp.

References jubatus::core::recommender::recommender_base::calc_l2norm(), and converter_.

                                                         {
  common::sfv_t v0;
  converter_->convert(q, v0);
  return jubatus::core::recommender::recommender_base::calc_l2norm(v0);
}

Here is the call graph for this function:

float jubatus::core::driver::recommender::calc_similality	(	const fv_converter::datum &	l,
		const fv_converter::datum &	r
	)

Definition at line 116 of file recommender.cpp.

References jubatus::core::recommender::recommender_base::calc_similality(), and converter_.

                                {
  common::sfv_t v0, v1;
  converter_->convert(l, v0);
  converter_->convert(r, v1);
  return jubatus::core::recommender::recommender_base::calc_similality(v0, v1);
}

Here is the call graph for this function:

void jubatus::core::driver::recommender::clear ( )

virtual

Implements jubatus::core::driver::driver_base.

Definition at line 71 of file recommender.cpp.

References converter_, and recommender_.

                        {
  recommender_->clear();
  converter_->clear_weights();
}

void jubatus::core::driver::recommender::clear_row

(

const std::string &

id

)

Definition at line 59 of file recommender.cpp.

References recommender_.

                                               {
  recommender_->clear_row(id);
}

fv_converter::datum jubatus::core::driver::recommender::complete_row_from_datum

(

const fv_converter::datum &

dat

)

Definition at line 85 of file recommender.cpp.

References converter_, recommender_, jubatus::core::fv_converter::revert_feature(), and jubatus::core::common::jsonconfig::v().

                                  {
  common::sfv_t u, v;
  converter_->convert(dat, u);
  recommender_->complete_row(u, v);

  fv_converter::datum ret;
  fv_converter::revert_feature(v, ret);
  return ret;
}

Here is the call graph for this function:

fv_converter::datum jubatus::core::driver::recommender::complete_row_from_id

(

const std::string &

id

)

Definition at line 76 of file recommender.cpp.

References recommender_, jubatus::core::fv_converter::revert_feature(), and jubatus::core::common::jsonconfig::v().

                                                                       {
  common::sfv_t v;
  recommender_->complete_row(id, v);

  fv_converter::datum ret;
  fv_converter::revert_feature(v, ret);
  return ret;
}

Here is the call graph for this function:

fv_converter::datum jubatus::core::driver::recommender::decode_row

(

const std::string &

id

)

Definition at line 131 of file recommender.cpp.

References recommender_, jubatus::core::fv_converter::revert_feature(), and jubatus::core::common::jsonconfig::v().

                                                             {
  common::sfv_t v;
  recommender_->decode_row(id, v);

  fv_converter::datum ret;
  fv_converter::revert_feature(v, ret);
  return ret;
}

Here is the call graph for this function:

std::vector< std::string > jubatus::core::driver::recommender::get_all_rows

(

)

Definition at line 140 of file recommender.cpp.

References recommender_.

                                               {
  std::vector<std::string> ret;
  recommender_->get_all_row_ids(ret);
  return ret;
}

void jubatus::core::driver::recommender::pack ( framework::packer &  pk ) const

virtual

Implements jubatus::core::driver::driver_base.

Definition at line 146 of file recommender.cpp.

References jubatus::core::framework::linear_mixable_helper< Model, Diff >::get_model(), recommender_, and wm_.

                                                {
  pk.pack_array(2);
  recommender_->pack(pk);
  wm_.get_model()->pack(pk);
}

Here is the call graph for this function:

std::vector< std::pair< std::string, float > > jubatus::core::driver::recommender::similar_row_from_datum	(	const fv_converter::datum &	data,
		size_t	size
	)

Definition at line 105 of file recommender.cpp.

References converter_, recommender_, and jubatus::core::common::jsonconfig::v().

                 {
  common::sfv_t v;
  converter_->convert(data, v);

  std::vector<std::pair<std::string, float> > ret;
  recommender_->similar_row(v, ret, size);
  return ret;
}

Here is the call graph for this function:

std::vector< std::pair< std::string, float > > jubatus::core::driver::recommender::similar_row_from_id	(	const std::string &	id,
		size_t	ret_num
	)

Definition at line 96 of file recommender.cpp.

References recommender_.

                    {
  std::vector<std::pair<std::string, float> > ret;
  recommender_->similar_row(id, ret, ret_num);
  return ret;
}

void jubatus::core::driver::recommender::unpack ( msgpack::object  o )

virtual

Implements jubatus::core::driver::driver_base.

Definition at line 152 of file recommender.cpp.

References converter_, jubatus::core::framework::linear_mixable_helper< Model, Diff >::get_model(), recommender_, and wm_.

                                        {
  if (o.type != msgpack::type::ARRAY || o.via.array.size != 2) {
    throw msgpack::type_error();
  }

  // clear before load
  recommender_->clear();
  converter_->clear_weights();
  recommender_->unpack(o.via.array.ptr[0]);
  wm_.get_model()->unpack(o.via.array.ptr[1]);
}

Here is the call graph for this function:

void jubatus::core::driver::recommender::update_row	(	const std::string &	id,
		const fv_converter::datum &	dat
	)

Definition at line 63 of file recommender.cpp.

References converter_, recommender_, and jubatus::core::common::jsonconfig::v().

                                  {
  core::recommender::sfv_diff_t v;
  converter_->convert_and_update_weight(dat, v);
  recommender_->update_row(id, v);
}

Here is the call graph for this function:

Member Data Documentation

jubatus::util::lang::shared_ptr<fv_converter::datum_to_fv_converter> jubatus::core::driver::recommender::converter_

private

Definition at line 76 of file recommender.hpp.

Referenced by calc_l2norm(), calc_similality(), clear(), complete_row_from_datum(), recommender(), similar_row_from_datum(), unpack(), and update_row().

jubatus::util::lang::shared_ptr<core::recommender::recommender_base> jubatus::core::driver::recommender::recommender_

private

Definition at line 78 of file recommender.hpp.

Referenced by clear(), clear_row(), complete_row_from_datum(), complete_row_from_id(), decode_row(), get_all_rows(), pack(), recommender(), similar_row_from_datum(), similar_row_from_id(), unpack(), and update_row().

fv_converter::mixable_weight_manager jubatus::core::driver::recommender::wm_

private

Definition at line 79 of file recommender.hpp.

Referenced by pack(), recommender(), and unpack().

---

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

• jubatus/core/driver/recommender.hpp
• jubatus/core/driver/recommender.cpp