Worker Class Reference

Mother-class Worker. More...

#include <Worker.h>

Inheritance diagram for Worker:

Public Member Functions
	Worker (Logger logger)
void	init (VariableMap const &variable_map, const std::filesystem::path &path_to_mps, std::string const &solver_name, int log_level, SolverLogManager &solver_log_manager)
	Initialization of a problem.
void	get_value (double &lb) const
	Return the optimal value of a problem.
void	get_splex_num_of_ite_last (int &result) const
	Get the number of iteration needed to solve a problem.
void	free ()
	Free the problem.
void	write_basis (const std::filesystem::path &filename) const
virtual SolverAbstract::Ptr	solver () const
void	solve (int &lp_status, const std::string &outputroot, const std::string &output_master_mps_file_name, Writer writer) const
	Method to solve a problem.
int	RowIndex (const std::string &row_name) const
void	ChangeRhs (int id_row, double val) const
void	GetRhs (double *val, int id_row) const
void	AddRows (std::vector< char > const &qrtype_p, std::vector< double > const &rhs_p, std::vector< double > const &range_p, std::vector< int > const &mstart_p, std::vector< int > const &mclind_p, std::vector< double > const &dmatval_p, const std::vector< std::string > &row_names) const
int	Getnrows () const
	Returns the number of rows (constraints)
int	Getncols () const

Public Attributes
std::filesystem::path	_path_to_mps
VariableMap	_name_to_id
Int2Str	_id_to_name
SolverAbstract::Ptr	_solver
bool	_is_master = false
Logger	logger_

Detailed Description

Mother-class Worker.

This class opens and sets a problem from a mps and a mapping variable map

Member Function Documentation

get_splex_num_of_ite_last()

void Worker::get_splex_num_of_ite_last

(

int &

result

)

const

Get the number of iteration needed to solve a problem.

Parameters

result

: result

get_value()

void Worker::get_value

(

double &

lb

)

const

Return the optimal value of a problem.

Parameters

lb	: double which receives the optimal value

Getnrows()

int Worker::Getnrows

(

)

const

Returns the number of rows (constraints)

Parameters

solver_p

: solver containing the model to consider.

init()

void Worker::init	(	VariableMap const &	variable_map,
		const std::filesystem::path &	path_to_mps,
		std::string const &	solver_name,
		int	log_level,
		SolverLogManager &	solver_log_manager
	)

Initialization of a problem.

Parameters

variable_map	: map linking each problem name to its variables and their ids
problem_name	: name of the problem

solve()

void Worker::solve	(	int &	lp_status,
		const std::string &	outputroot,
		const std::string &	output_master_mps_file_name,
		Writer	writer
	)		const

Method to solve a problem.

Parameters

lp_status

: problem status after optimization

Member Data Documentation

_id_to_name

Int2Str Worker::_id_to_name

Link between the identifier of a variable and its name

_name_to_id

VariableMap Worker::_name_to_id

Link between the variable name and its identifier

_solver

SolverAbstract::Ptr Worker::_solver

Initial value:

=
      nullptr

Problem stocked in the instance Worker

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

• src/cpp/benders/benders_core/include/Worker.h
• src/cpp/benders/benders_core/Worker.cpp