OptimalValueDatabase Class Reference

OptimalValueDatabase provides values of optimal policies for problems, so to be used for verification purposes. More...

#include <OptimalValueDatabase.h>

Public Member Functions
std::string	GetEntryName () const
	Get the name of the current entry. More...
double	GetOptimalValue () const
	Get the optimal value (if known, otherwise expection is thrown). More...
bool	IsInDatabase () const
	Check if the particular (problem, discount, horizon) tuple is stored. More...
bool	IsOptimal (double value) const
	Check if the value is optimal. More...
	OptimalValueDatabase (const PlanningUnitDecPOMDPDiscrete *pu)
	(default) Constructor More...
	OptimalValueDatabase (const std::string &problemName, double discount, size_t horizon)
void	SetOptimalValue (double value)
	Add an entry to the database. Saves it to disk. More...
std::string	SoftPrint () const
	A string representation of the database. More...

Private Types
typedef std::pair < nameDiscountT, size_t >	nameDiscountHorizonT
typedef std::pair< std::string, double >	nameDiscountT

Private Member Functions
void	AddEntry (const std::string &problemName, double discount, size_t horizon, double value)
	Add an entry to the database. More...
double	GetEntry (const std::string &problemName, double discount, size_t horizon) const
	Get an entry from the database. More...
bool	IsInDatabase (const std::string &problemName, double discount, size_t horizon) const
	Check if the problem is in the database already. More...
bool	IsOptimal (const std::string &problemName, double discount, size_t horizon, double value) const
	Check if the value corresponds with a known optimal value. More...
void	Load ()
	Load the database from disk. More...
void	Save () const
	Store the database to disk. More...

Private Attributes
std::string	_filename
double	_m_discount
size_t	_m_horizon
std::map< nameDiscountHorizonT, double >	_m_optimalValues
	The database. More...
std::string	_m_problemName

Detailed Description

OptimalValueDatabase provides values of optimal policies for problems, so to be used for verification purposes.

Member Typedef Documentation

typedef std::pair<nameDiscountT, size_t> OptimalValueDatabase::nameDiscountHorizonT

private

typedef std::pair<std::string,double> OptimalValueDatabase::nameDiscountT

private

Constructor & Destructor Documentation

OptimalValueDatabase::OptimalValueDatabase

(

const PlanningUnitDecPOMDPDiscrete *

pu

)

(default) Constructor

References Load().

OptimalValueDatabase::OptimalValueDatabase	(	const std::string &	problemName,
		double	discount,
		size_t	horizon
	)

References Load().

Member Function Documentation

void OptimalValueDatabase::AddEntry ( const std::string &  problemName, double  discount, size_t  horizon, double  value  )

private

Add an entry to the database.

References _m_optimalValues.

Referenced by Load(), and SetOptimalValue().

double OptimalValueDatabase::GetEntry ( const std::string &  problemName, double  discount, size_t  horizon  ) const

private

Get an entry from the database.

References _m_optimalValues.

Referenced by GetOptimalValue(), and IsOptimal().

string OptimalValueDatabase::GetEntryName

(

)

const

Get the name of the current entry.

References _m_discount, _m_horizon, and _m_problemName.

double OptimalValueDatabase::GetOptimalValue

(

)

const

Get the optimal value (if known, otherwise expection is thrown).

References _m_discount, _m_horizon, _m_problemName, and GetEntry().

bool OptimalValueDatabase::IsInDatabase ( const std::string &  problemName, double  discount, size_t  horizon  ) const

private

Check if the problem is in the database already.

References _m_optimalValues.

bool OptimalValueDatabase::IsInDatabase

(

)

const

Check if the particular (problem, discount, horizon) tuple is stored.

References _m_discount, _m_horizon, and _m_problemName.

bool OptimalValueDatabase::IsOptimal ( const std::string &  problemName, double  discount, size_t  horizon, double  value  ) const

private

Check if the value corresponds with a known optimal value.

References Globals::EqualReward(), and GetEntry().

Referenced by IsOptimal().

bool OptimalValueDatabase::IsOptimal

(

double

value

)

const

Check if the value is optimal.

References _m_discount, _m_horizon, _m_problemName, and IsOptimal().

void OptimalValueDatabase::Load ( )

private

Load the database from disk.

References _filename, _m_optimalValues, AddEntry(), and directories::MADPGetResultsDir().

Referenced by OptimalValueDatabase().

void OptimalValueDatabase::Save ( ) const

private

Store the database to disk.

References _filename, and SoftPrint().

Referenced by SetOptimalValue().

void OptimalValueDatabase::SetOptimalValue

(

double

value

)

Add an entry to the database. Saves it to disk.

References _m_discount, _m_horizon, _m_problemName, AddEntry(), and Save().

string OptimalValueDatabase::SoftPrint

(

void

)

const

A string representation of the database.

References _m_optimalValues.

Referenced by Save().

Member Data Documentation

std::string OptimalValueDatabase::_filename

private

Referenced by Load(), and Save().

double OptimalValueDatabase::_m_discount

private

Referenced by GetEntryName(), GetOptimalValue(), IsInDatabase(), IsOptimal(), and SetOptimalValue().

size_t OptimalValueDatabase::_m_horizon

private

Referenced by GetEntryName(), GetOptimalValue(), IsInDatabase(), IsOptimal(), and SetOptimalValue().

std::map<nameDiscountHorizonT, double> OptimalValueDatabase::_m_optimalValues

private

The database.

Referenced by AddEntry(), GetEntry(), IsInDatabase(), Load(), and SoftPrint().

std::string OptimalValueDatabase::_m_problemName

private

Referenced by GetEntryName(), GetOptimalValue(), IsInDatabase(), IsOptimal(), and SetOptimalValue().