jubatus::core::driver::nearest_neighbor Class Reference

#include <nearest_neighbor.hpp>

Inheritance diagram for jubatus::core::driver::nearest_neighbor:

Collaboration diagram for jubatus::core::driver::nearest_neighbor:

Public Member Functions
void	clear ()
std::vector< std::string >	get_all_rows ()
jubatus::util::lang::shared_ptr< const storage::column_table >	get_const_table () const
jubatus::util::lang::shared_ptr< storage::column_table >	get_table ()
	nearest_neighbor (jubatus::util::lang::shared_ptr< core::nearest_neighbor::nearest_neighbor_base > nn, jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter > converter)
	nearest_neighbor (jubatus::util::lang::shared_ptr< core::nearest_neighbor::nearest_neighbor_base > nn, jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter > converter, jubatus::util::lang::shared_ptr< unlearner::unlearner_base > unlearner)
std::vector< std::pair< std::string, float > >	neighbor_row_from_datum (const fv_converter::datum &datum, size_t size)
std::vector< std::pair< std::string, float > >	neighbor_row_from_id (const std::string &id, size_t size)
void	pack (framework::packer &pk) const
void	set_row (const std::string &id, const fv_converter::datum &datum)
std::vector< std::pair< std::string, float > >	similar_row (const std::string &id, size_t ret_num)
std::vector< std::pair< std::string, float > >	similar_row (const core::fv_converter::datum &datum, size_t ret_num)
void	unpack (msgpack::object o)
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::nearest_neighbor::nearest_neighbor_base >	nn_
jubatus::util::lang::shared_ptr< unlearner::unlearner_base >	unlearner_
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 45 of file nearest_neighbor.hpp.

Constructor & Destructor Documentation

jubatus::core::driver::nearest_neighbor::nearest_neighbor	(	jubatus::util::lang::shared_ptr< core::nearest_neighbor::nearest_neighbor_base >	nn,
		jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter >	converter
	)

jubatus::core::driver::nearest_neighbor::nearest_neighbor	(	jubatus::util::lang::shared_ptr< core::nearest_neighbor::nearest_neighbor_base >	nn,
		jubatus::util::lang::shared_ptr< fv_converter::datum_to_fv_converter >	converter,
		jubatus::util::lang::shared_ptr< unlearner::unlearner_base >	unlearner
	)

Member Function Documentation

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

virtual

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

Definition at line 125 of file nearest_neighbor.cpp.

References converter_, nn_, and unlearner_.

                             {
  converter_->clear_weights();
  nn_->clear();
  if (unlearner_) {
    unlearner_->clear();
  }
}

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

(

)

Definition at line 119 of file nearest_neighbor.cpp.

References nn_.

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

shared_ptr< const storage::column_table > jubatus::core::driver::nearest_neighbor::get_const_table

(

)

const

Definition at line 68 of file nearest_neighbor.cpp.

References nn_.

                                        {
  return nn_->get_const_table();
}

shared_ptr< storage::column_table > jubatus::core::driver::nearest_neighbor::get_table

(

)

Definition at line 63 of file nearest_neighbor.cpp.

References nn_.

                                                            {
  return nn_->get_table();
}

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

Definition at line 91 of file nearest_neighbor.cpp.

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

                 {
  common::sfv_t v;
  converter_->convert(datum, v);
  std::vector<std::pair<std::string, float> > ret;
  nn_->neighbor_row(v, ret, size);
  return ret;
}

Here is the call graph for this function:

std::vector< std::pair< std::string, float > > jubatus::core::driver::nearest_neighbor::neighbor_row_from_id	(	const std::string &	id,
		size_t	size
	)

Definition at line 84 of file nearest_neighbor.cpp.

References nn_.

                                                                       {
  std::vector<std::pair<std::string, float> > ret;
  nn_->neighbor_row(id, ret, size);
  return ret;
}

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

virtual

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

Definition at line 133 of file nearest_neighbor.cpp.

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

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

Here is the call graph for this function:

void jubatus::core::driver::nearest_neighbor::set_row	(	const std::string &	id,
		const fv_converter::datum &	datum
	)

Definition at line 72 of file nearest_neighbor.cpp.

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

                                    {
  if (unlearner_) {
    unlearner_->touch(id);
  }
  common::sfv_t v;
  converter_->convert_and_update_weight(datum, v);
  nn_->set_row(id, v);
}

Here is the call graph for this function:

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

Definition at line 102 of file nearest_neighbor.cpp.

References nn_.

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

std::vector< std::pair< std::string, float > > jubatus::core::driver::nearest_neighbor::similar_row	(	const core::fv_converter::datum &	datum,
		size_t	ret_num
	)

Definition at line 109 of file nearest_neighbor.cpp.

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

                    {
  common::sfv_t v;
  converter_->convert(datum, v);
  std::vector<std::pair<std::string, float> > ret;
  nn_->similar_row(v, ret, ret_num);
  return ret;
}

Here is the call graph for this function:

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

virtual

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

Definition at line 139 of file nearest_neighbor.cpp.

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

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

  // clear
  nn_->clear();
  converter_->clear_weights();

  // load
  nn_->unpack(o.via.array.ptr[0]);
  wm_.get_model()->unpack(o.via.array.ptr[1]);
}

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::nearest_neighbor::converter_

private

Definition at line 86 of file nearest_neighbor.hpp.

Referenced by clear(), neighbor_row_from_datum(), set_row(), similar_row(), and unpack().

jubatus::util::lang::shared_ptr<core::nearest_neighbor::nearest_neighbor_base> jubatus::core::driver::nearest_neighbor::nn_

private

Definition at line 88 of file nearest_neighbor.hpp.

Referenced by clear(), get_all_rows(), get_const_table(), get_table(), neighbor_row_from_datum(), neighbor_row_from_id(), pack(), set_row(), similar_row(), and unpack().

jubatus::util::lang::shared_ptr<unlearner::unlearner_base> jubatus::core::driver::nearest_neighbor::unlearner_

private

Definition at line 89 of file nearest_neighbor.hpp.

Referenced by clear(), and set_row().

fv_converter::mixable_weight_manager jubatus::core::driver::nearest_neighbor::wm_

private

Definition at line 90 of file nearest_neighbor.hpp.

Referenced by pack(), and unpack().

---

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

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