jubatus::core::nearest_neighbor::nearest_neighbor_base Class Reference

#include <nearest_neighbor_base.hpp>

Inheritance diagram for jubatus::core::nearest_neighbor::nearest_neighbor_base:

Collaboration diagram for jubatus::core::nearest_neighbor::nearest_neighbor_base:

Public Member Functions
virtual float	calc_similarity (float distance) const
virtual void	clear ()
void	get_all_row_ids (std::vector< std::string > &ids) const
jubatus::util::lang::shared_ptr< const storage::column_table >	get_const_table () const
framework::mixable *	get_mixable () const
jubatus::util::lang::shared_ptr< storage::column_table >	get_table ()
	nearest_neighbor_base (jubatus::util::lang::shared_ptr< storage::column_table > table, const std::string &id)
virtual void	neighbor_row (const common::sfv_t &query, std::vector< std::pair< std::string, float > > &ids, uint64_t ret_num) const =0
virtual void	neighbor_row (const std::string &query_id, std::vector< std::pair< std::string, float > > &ids, uint64_t ret_num) const =0
void	pack (framework::packer &packer) const
virtual void	set_row (const std::string &id, const common::sfv_t &sfv)=0
virtual void	similar_row (const common::sfv_t &query, std::vector< std::pair< std::string, float > > &ids, uint64_t ret_num) const
virtual void	similar_row (const std::string &query_id, std::vector< std::pair< std::string, float > > &ids, uint64_t ret_num) const
virtual std::string	type () const =0
void	unpack (msgpack::object o)
virtual	~nearest_neighbor_base ()

Protected Attributes
std::string	my_id_

Private Attributes
jubatus::util::lang::shared_ptr< framework::mixable_versioned_table >	mixable_table_

Detailed Description

Definition at line 37 of file nearest_neighbor_base.hpp.

Constructor & Destructor Documentation

jubatus::core::nearest_neighbor::nearest_neighbor_base::nearest_neighbor_base ( jubatus::util::lang::shared_ptr< storage::column_table >  table, const std::string &  id  )

explicit

Definition at line 34 of file nearest_neighbor_base.cpp.

References mixable_table_.

    : my_id_(id),
      mixable_table_(new framework::mixable_versioned_table) {
  mixable_table_->set_model(table);
}

virtual jubatus::core::nearest_neighbor::nearest_neighbor_base::~nearest_neighbor_base ( )

inlinevirtual

Definition at line 42 of file nearest_neighbor_base.hpp.

{}

Member Function Documentation

virtual float jubatus::core::nearest_neighbor::nearest_neighbor_base::calc_similarity ( float  distance ) const

inlinevirtual

Reimplemented in jubatus::core::nearest_neighbor::euclid_lsh.

Definition at line 67 of file nearest_neighbor_base.hpp.

                                                      {
    return 1 - distance;
  }

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

virtual

Definition at line 52 of file nearest_neighbor_base.cpp.

References mixable_table_.

                                  {
  mixable_table_->get_model()->clear();
}

void jubatus::core::nearest_neighbor::nearest_neighbor_base::get_all_row_ids

(

std::vector< std::string > &

ids

)

const

Definition at line 42 of file nearest_neighbor_base.cpp.

References get_const_table().

                                                                     {
  vector<string> ret;
  shared_ptr<const storage::column_table> table = get_const_table();
  ret.reserve(table->size());
  for (size_t i = 0; i < table->size(); ++i) {
    ret.push_back(table->get_key(i));
  }
  ret.swap(ids);
}

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jubatus::util::lang::shared_ptr<const storage::column_table> jubatus::core::nearest_neighbor::nearest_neighbor_base::get_const_table ( ) const

inline

Definition at line 47 of file nearest_neighbor_base.hpp.

References mixable_table_.

Referenced by get_all_row_ids(), and pack().

                          {
    return mixable_table_->get_model();
  }

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framework::mixable * jubatus::core::nearest_neighbor::nearest_neighbor_base::get_mixable

(

)

const

Definition at line 84 of file nearest_neighbor_base.cpp.

References mixable_table_.

                                                           {
  return mixable_table_.get();
}

jubatus::util::lang::shared_ptr<storage::column_table> jubatus::core::nearest_neighbor::nearest_neighbor_base::get_table ( )

inline

Definition at line 50 of file nearest_neighbor_base.hpp.

References mixable_table_.

Referenced by unpack().

                                                             {
    return mixable_table_->get_model();
  }

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virtual void jubatus::core::nearest_neighbor::nearest_neighbor_base::neighbor_row ( const common::sfv_t &  query, std::vector< std::pair< std::string, float > > &  ids, uint64_t  ret_num  ) const

pure virtual

Implemented in jubatus::core::nearest_neighbor::euclid_lsh, and jubatus::core::nearest_neighbor::bit_vector_nearest_neighbor_base.

virtual void jubatus::core::nearest_neighbor::nearest_neighbor_base::neighbor_row ( const std::string &  query_id, std::vector< std::pair< std::string, float > > &  ids, uint64_t  ret_num  ) const

pure virtual

Implemented in jubatus::core::nearest_neighbor::euclid_lsh, and jubatus::core::nearest_neighbor::bit_vector_nearest_neighbor_base.

void jubatus::core::nearest_neighbor::nearest_neighbor_base::pack

(

framework::packer &

packer

)

const

Definition at line 76 of file nearest_neighbor_base.cpp.

References get_const_table().

                                                              {
  get_const_table()->pack(packer);
}

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virtual void jubatus::core::nearest_neighbor::nearest_neighbor_base::set_row ( const std::string &  id, const common::sfv_t &  sfv  )

pure virtual

Implemented in jubatus::core::nearest_neighbor::euclid_lsh, and jubatus::core::nearest_neighbor::bit_vector_nearest_neighbor_base.

virtual void jubatus::core::nearest_neighbor::nearest_neighbor_base::similar_row ( const common::sfv_t &  query, std::vector< std::pair< std::string, float > > &  ids, uint64_t  ret_num  ) const

virtual

virtual void jubatus::core::nearest_neighbor::nearest_neighbor_base::similar_row ( const std::string &  query_id, std::vector< std::pair< std::string, float > > &  ids, uint64_t  ret_num  ) const

virtual

virtual std::string jubatus::core::nearest_neighbor::nearest_neighbor_base::type ( ) const

pure virtual

Implemented in jubatus::core::nearest_neighbor::minhash, jubatus::core::nearest_neighbor::euclid_lsh, and jubatus::core::nearest_neighbor::lsh.

void jubatus::core::nearest_neighbor::nearest_neighbor_base::unpack

(

msgpack::object

o

)

Definition at line 80 of file nearest_neighbor_base.cpp.

References get_table().

                                                  {
  get_table()->unpack(o);
}

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Member Data Documentation

jubatus::util::lang::shared_ptr<framework::mixable_versioned_table> jubatus::core::nearest_neighbor::nearest_neighbor_base::mixable_table_

private

Definition at line 90 of file nearest_neighbor_base.hpp.

Referenced by clear(), get_const_table(), get_mixable(), get_table(), and nearest_neighbor_base().

std::string jubatus::core::nearest_neighbor::nearest_neighbor_base::my_id_

protected

Definition at line 86 of file nearest_neighbor_base.hpp.

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

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