sgpp::datadriven::DBMatDatabase Class Reference

A database class to store and retrieve online matrix decompositions for the sparse grid density estimation. More...

#include <DBMatDatabase.hpp>

Public Member Functions
	DBMatDatabase (const std::string &filepath)
	Initializes the database from a json filepath. More...
std::string &	getDataMatrix (sgpp::base::GeneralGridConfiguration &gridConfig, sgpp::base::AdaptivityConfiguration &adaptivityConfig, sgpp::datadriven::RegularizationConfiguration &regularizationConfig, sgpp::datadriven::DensityEstimationConfiguration &densityEstimationConfig)
	Scans the entire database and finds the first entry that matches the configurations. More...
bool	hasDataMatrix (sgpp::base::GeneralGridConfiguration &gridConfig, sgpp::base::AdaptivityConfiguration &adaptivityConfig, sgpp::datadriven::RegularizationConfiguration &regularizationConfig, sgpp::datadriven::DensityEstimationConfiguration &densityEstimationConfig)
	Scans the entire database and checks weather any entry matches the configuration. More...
void	putDataMatrix (sgpp::base::GeneralGridConfiguration &gridConfig, sgpp::base::AdaptivityConfiguration &adaptivityConfig, sgpp::datadriven::RegularizationConfiguration &regularizationConfig, sgpp::datadriven::DensityEstimationConfiguration &densityEstimationConfig, std::string filepath, bool overwriteEntry=false)
	Puts a filepath for a given configuration in the database. More...
virtual	~DBMatDatabase ()=default

Detailed Description

A database class to store and retrieve online matrix decompositions for the sparse grid density estimation.

The class works on a json file.

Constructor & Destructor Documentation

DBMatDatabase()

sgpp::datadriven::DBMatDatabase::DBMatDatabase ( const std::string &  filepath )

explicit

Initializes the database from a json filepath.

Parameters

filepath

the path to the json database

~DBMatDatabase()

virtual sgpp::datadriven::DBMatDatabase::~DBMatDatabase ( )

virtualdefault

Member Function Documentation

getDataMatrix()

std::string & sgpp::datadriven::DBMatDatabase::getDataMatrix	(	sgpp::base::GeneralGridConfiguration &	gridConfig,
		sgpp::base::AdaptivityConfiguration &	adaptivityConfig,
		sgpp::datadriven::RegularizationConfiguration &	regularizationConfig,
		sgpp::datadriven::DensityEstimationConfiguration &	densityEstimationConfig
	)

Scans the entire database and finds the first entry that matches the configurations.

Parameters

gridConfig	the grid configuration the matrix must match
adaptivityConfig	the adaptivity configuration the matrix must match
regularizationConfig	the regularization configuration the matrix must match
densityEstimationConfig	the density estimation configuration the matrix must match

Returns

Returns the string of the datamatrix if any match was obtained and throws an exception otherwise

References json::Node::get(), and sgpp::datadriven::keyFilepath.

Referenced by sgpp::datadriven::ModelFittingDensityEstimationOnOff::fit(), and main().

hasDataMatrix()

bool sgpp::datadriven::DBMatDatabase::hasDataMatrix	(	sgpp::base::GeneralGridConfiguration &	gridConfig,
		sgpp::base::AdaptivityConfiguration &	adaptivityConfig,
		sgpp::datadriven::RegularizationConfiguration &	regularizationConfig,
		sgpp::datadriven::DensityEstimationConfiguration &	densityEstimationConfig
	)

Scans the entire database and checks weather any entry matches the configuration.

Parameters

gridConfig	the grid configuration the matrix must match
adaptivityConfig	the adaptivity configuration the matrix must match
regularizationConfig	the regularization configuration the matrix must match
densityEstimationConfig	the density estimation configuration the matrix must match

Returns

weather the configuration is held in the database

Referenced by sgpp::datadriven::ModelFittingDensityEstimationOnOff::fit().

putDataMatrix()

void sgpp::datadriven::DBMatDatabase::putDataMatrix	(	sgpp::base::GeneralGridConfiguration &	gridConfig,
		sgpp::base::AdaptivityConfiguration &	adaptivityConfig,
		sgpp::datadriven::RegularizationConfiguration &	regularizationConfig,
		sgpp::datadriven::DensityEstimationConfiguration &	densityEstimationConfig,
		std::string	filepath,
		bool	overwriteEntry = false
	)

Puts a filepath for a given configuration in the database.

The filepath refers to the matrix file. If for this configuration a filepath is already present in the database the filepath is updated if and only if the overwriteEntry parameter is set (default = false).

Parameters

gridConfig	the grid configuration the matrix matches
adaptivityConfig	the adaptivity configuration the matrix matches
regularizationConfig	the regularization configuration the matrix matches
densityEstimationConfig	the density estimation configuration the matrix matches
filepath	the path where the matrix decomposition is located at
overwriteEntry	replaces existing entries with the same configuration if and only if this parameter is set

References json::DictNode::addDictAttr(), json::ListNode::addDictValue(), json::DictNode::addIDAttr(), json::DictNode::addTextAttr(), sgpp::base::ComponentGrid, json::DictNode::contains(), sgpp::datadriven::DensityEstimationConfiguration::decomposition_, sgpp::base::GeneralGridConfiguration::dim_, sgpp::base::GeneralGridConfiguration::generalType_, json::Node::getInt(), python.statsfileInfo::i, sgpp::datadriven::keyDecompositionType, sgpp::datadriven::keyDensityEstimationConfiguration, sgpp::datadriven::keyGridConfiguration, sgpp::datadriven::keyGridDimension, sgpp::datadriven::keyGridLevel, sgpp::datadriven::keyGridType, sgpp::datadriven::keyRegularizationConfiguration, sgpp::datadriven::keyRegularizationStrength, lambda, sgpp::datadriven::RegularizationConfiguration::lambda_, sgpp::base::GeneralGridConfiguration::level_, sgpp::base::CombiGridConfiguration::levels, sgpp::datadriven::GeneralGridTypeParser::parse(), sgpp::datadriven::MatrixDecompositionTypeParser::parse(), json::DictNode::replaceTextAttr(), json::ListNode::size(), sgpp::datadriven::GeneralGridTypeParser::toString(), and sgpp::datadriven::MatrixDecompositionTypeParser::toString().

Referenced by main().

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

• datadriven/src/sgpp/datadriven/algorithm/DBMatDatabase.hpp
• datadriven/src/sgpp/datadriven/algorithm/DBMatDatabase.cpp