net.librec.data.model

Class JDBCDataModel

java.lang.Object

net.librec.conf.Configured

net.librec.data.model.AbstractDataModel

net.librec.data.model.JDBCDataModel

All Implemented Interfaces:

Configurable, DataModel

public class JDBCDataModel
extends AbstractDataModel

JDBC Data Model

Field Summary

Fields inherited from class net.librec.data.model.AbstractDataModel

context, dataAppender, dataConvertor, dataSplitter, LOG, testDataSet, trainDataSet, validDataSet

Fields inherited from class net.librec.conf.Configured

conf, CONF_DATA_COLUMN_FORMAT, CONF_DATA_INPUT_PATH, CONF_DFS_DATA_DIR

Constructor Summary

Constructors

Constructor and Description
JDBCDataModel()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	buildConvert() Build Convert.
DataSet	getDatetimeDataSet() Get datetime data set.
com.google.common.collect.BiMap<java.lang.String,java.lang.Integer>	getItemMappingData() Get item mapping data.
com.google.common.collect.BiMap<java.lang.String,java.lang.Integer>	getUserMappingData() Get user mapping data.

Methods inherited from class net.librec.data.model.AbstractDataModel

buildDataModel, buildFeature, buildSplitter, getContext, getDataAppender, getDataSplitter, getTestDataSet, getTrainDataSet, getValidDataSet, loadDataModel, saveDataModel

Methods inherited from class net.librec.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JDBCDataModel

public JDBCDataModel()

Method Detail

buildConvert

protected void buildConvert()
                     throws LibrecException

Description copied from class: AbstractDataModel

Build Convert.

Specified by:

buildConvert in class AbstractDataModel

Throws:

LibrecException - if error occurs when building convert.

getUserMappingData

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

Description copied from interface: DataModel

Get user mapping data.

Returns:

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

getItemMappingData

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

Description copied from interface: DataModel

Get item mapping data.

Returns:

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

getDatetimeDataSet

public DataSet getDatetimeDataSet()

Description copied from interface: DataModel

Get datetime data set.

Returns:

the datetime data set of data model.