net.librec.data.convertor.appender

Class SocialDataAppender

java.lang.Object

net.librec.conf.Configured

net.librec.data.convertor.appender.SocialDataAppender

All Implemented Interfaces:

Configurable, DataAppender

public class SocialDataAppender
extends Configured
implements DataAppender

A SocialDataAppender is a class to process and store social appender data.

Author:

SunYatong

Field Summary

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
SocialDataAppender() Initializes a newly created SocialDataAppender object with null.
SocialDataAppender(Configuration conf) Initializes a newly created SocialDataAppender object with a Configuration object

Method Summary

Methods

Modifier and Type	Method and Description
SparseMatrix	getItemAppender() Get item appender.
SparseMatrix	getUserAppender() Get user appender.
void	processData() Process appender data.
void	setItemMappingData(com.google.common.collect.BiMap<java.lang.String,java.lang.Integer> itemMappingData) Set item mapping data.
void	setUserMappingData(com.google.common.collect.BiMap<java.lang.String,java.lang.Integer> userMappingData) Set user mapping data.

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

SocialDataAppender

public SocialDataAppender()

Initializes a newly created SocialDataAppender object with null.

SocialDataAppender

public SocialDataAppender(Configuration conf)

Initializes a newly created SocialDataAppender object with a Configuration object

Parameters:

conf - Configuration object for construction

Method Detail

processData

public void processData()
                 throws java.io.IOException

Process appender data.

Specified by:

processData in interface DataAppender

Throws:

java.io.IOException - if I/O error occurs during processing

getUserAppender

public SparseMatrix getUserAppender()

Get user appender.

Returns:

the SparseMatrix object built by the social data.

getItemAppender

public SparseMatrix getItemAppender()

Get item appender.

Returns:

null

setUserMappingData

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

Set user mapping data.

Specified by:

setUserMappingData in interface DataAppender

Parameters:

userMappingData - user {raw id, inner id} map

setItemMappingData

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

Set item mapping data.

Specified by:

setItemMappingData in interface DataAppender

Parameters:

itemMappingData - item {raw id, inner id} map