es.ucm.fdi.gaia.recolibry.implementations.mahout.models

Class MahoutFileDataModel

java.lang.Object

org.apache.mahout.cf.taste.impl.model.AbstractDataModel

org.apache.mahout.cf.taste.impl.model.file.FileDataModel

es.ucm.fdi.gaia.recolibry.implementations.mahout.models.MahoutFileDataModel

All Implemented Interfaces:

Serializable, org.apache.mahout.cf.taste.common.Refreshable, org.apache.mahout.cf.taste.model.DataModel

public class MahoutFileDataModel
extends org.apache.mahout.cf.taste.impl.model.file.FileDataModel

Class to implement a DataModel based on a CSV file.

Version:

1.0

Author:

Jose L. Jorro-Aragoneses

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.mahout.cf.taste.impl.model.file.FileDataModel

DEFAULT_MIN_RELOAD_INTERVAL_MS

Constructor Summary

Constructors

Constructor and Description
MahoutFileDataModel(File dataFile, String delimiterRegex) Method to build a new MahoutFileDataModel instance.

Method Summary

Methods inherited from class org.apache.mahout.cf.taste.impl.model.file.FileDataModel

buildModel, determineDelimiter, getDataFile, getItemIDs, getItemIDsFromUser, getMaxPreference, getMinPreference, getNumItems, getNumUsers, getNumUsersWithPreferenceFor, getNumUsersWithPreferenceFor, getPreferencesForItem, getPreferencesFromUser, getPreferenceTime, getPreferenceValue, getUserIDs, hasPreferenceValues, processFile, processFileWithoutID, processLine, processLineWithoutID, readItemIDFromString, readTimestampFromString, readUserIDFromString, refresh, reload, removePreference, setPreference, toString

Methods inherited from class org.apache.mahout.cf.taste.impl.model.AbstractDataModel

setMaxPreference, setMinPreference

Methods inherited from class java.lang.Object

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

Constructor Detail

MahoutFileDataModel

public MahoutFileDataModel(File dataFile,
                           String delimiterRegex)
                    throws IOException

Method to build a new MahoutFileDataModel instance.

Parameters:

dataFile - file that contains all data.

delimiterRegex - delimiter that separates each value in the file.

Throws:

IOException