net.librec.data

Interface DataModel

All Known Implementing Classes:

AbstractDataModel, ArffDataModel, JDBCDataModel, TextDataModel

public interface DataModel

A DataModel represents a data access interface to the input file.

Author:

WangYuFeng

Method Summary

Methods

Modifier and Type	Method and Description
void	buildDataModel() Build data model.
DataContext	getContext() Get data Context.
DataAppender	getDataAppender() Get data appender.
DataSplitter	getDataSplitter() Get data splitter.
DataSet	getDatetimeDataSet() Get datetime data set.
com.google.common.collect.BiMap<java.lang.String,java.lang.Integer>	getItemMappingData() Get item mapping data.
DataSet	getTestDataSet() Get test data set.
DataSet	getTrainDataSet() Get train data set.
com.google.common.collect.BiMap<java.lang.String,java.lang.Integer>	getUserMappingData() Get user mapping data.
DataSet	getValidDataSet() Get valid data set.
void	loadDataModel() Load data model.
void	saveDataModel() Save data model.

Method Detail

buildDataModel

void buildDataModel()
                    throws LibrecException

Build data model.

Throws:

LibrecException - if error occurs during building

loadDataModel

void loadDataModel()
                   throws LibrecException

Load data model.

Throws:

LibrecException - if error occurs during loading

saveDataModel

void saveDataModel()
                   throws LibrecException

Save data model.

Throws:

LibrecException - if error occurs during saving

getDataSplitter

DataSplitter getDataSplitter()

Get data splitter.

Returns:

the splitter of data model.

getTrainDataSet

DataSet getTrainDataSet()

Get train data set.

Returns:

the train data set of data model.

getTestDataSet

DataSet getTestDataSet()

Get test data set.

Returns:

the test data set of data model.

getValidDataSet

DataSet getValidDataSet()

Get valid data set.

Returns:

the valid data set of data model.

getDatetimeDataSet

DataSet getDatetimeDataSet()

Get datetime data set.

Returns:

the datetime data set of data model.

getUserMappingData

com.google.common.collect.BiMap<java.lang.String,java.lang.Integer> getUserMappingData()

Get user mapping data.

Returns:

the user {raw id, inner id} map of data model.

getItemMappingData

com.google.common.collect.BiMap<java.lang.String,java.lang.Integer> getItemMappingData()

Get item mapping data.

Returns:

the item {raw id, inner id} map of data model.

getDataAppender

DataAppender getDataAppender()

Get data appender.

Returns:

the appender of data model.

getContext

DataContext getContext()

Get data Context.

Returns:

the appender of data model.