org.grouplens.lenskit.data.source

Class PackedDataSource

java.lang.Object

org.grouplens.lenskit.data.source.PackedDataSource

All Implemented Interfaces:

DataSource

public class PackedDataSource
extends Object
implements DataSource

Data source backed by a packed rating file.

Since:

2.2

See Also:

PackedDataSourceBuilder

Constructor Summary

Constructors

Constructor and Description
PackedDataSource(String name, File file, PreferenceDomain dom)

Method Summary

Modifier and Type	Method and Description
void	configure(LenskitConfiguration config) Configure LensKit to use this data set.
EventDAO	getEventDAO() Get an event DAO for this data source.
ItemDAO	getItemDAO() Get an item DAO for this data source.
ItemEventDAO	getItemEventDAO() Get a item-event DAO for this data source.
ItemNameDAO	getItemNameDAO() Get an item name DAO for this data source.
String	getName() Get the data source name.
File	getPackedFile()
PreferenceDomain	getPreferenceDomain() Get the preference domain of this data source.
UserDAO	getUserDAO() Get an user DAO for this data source.
UserEventDAO	getUserEventDAO() Get a user-event DAO for this data source.
long	lastModified()

Methods inherited from class java.lang.Object

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

Constructor Detail

PackedDataSource

public PackedDataSource(String name,
                        File file,
                        PreferenceDomain dom)

Method Detail

getName

public String getName()

Description copied from interface: DataSource

Get the data source name.

Specified by:

getName in interface DataSource

Returns:

The data sources's name.

getPackedFile

public File getPackedFile()

getPreferenceDomain

public PreferenceDomain getPreferenceDomain()

Description copied from interface: DataSource

Get the preference domain of this data source.

Specified by:

getPreferenceDomain in interface DataSource

Returns:

The data source preference domain.

getEventDAO

public EventDAO getEventDAO()

Description copied from interface: DataSource

Get an event DAO for this data source.

Specified by:

getEventDAO in interface DataSource

Returns:

A DAO factory backed by this data source.

lastModified

public long lastModified()

Specified by:

lastModified in interface DataSource

getUserEventDAO

public UserEventDAO getUserEventDAO()

Description copied from interface: DataSource

Get a user-event DAO for this data source. This implementation will probably not be used for model training at present.

Specified by:

getUserEventDAO in interface DataSource

Returns:

A user-event DAO.

getItemEventDAO

public ItemEventDAO getItemEventDAO()

Description copied from interface: DataSource

Get a item-event DAO for this data source. This implementation will probably not be used for model training at present.

Specified by:

getItemEventDAO in interface DataSource

Returns:

A item-event DAO.

getItemDAO

public ItemDAO getItemDAO()

Description copied from interface: DataSource

Get an item DAO for this data source. This implementation will probably not be used for model training at present.

Specified by:

getItemDAO in interface DataSource

Returns:

An item DAO.

getUserDAO

public UserDAO getUserDAO()

Description copied from interface: DataSource

Get an user DAO for this data source. This implementation will probably not be used for model training at present.

Specified by:

getUserDAO in interface DataSource

Returns:

An user DAO.

getItemNameDAO

public ItemNameDAO getItemNameDAO()

Description copied from interface: DataSource

Get an item name DAO for this data source.

Specified by:

getItemNameDAO in interface DataSource

configure

public void configure(LenskitConfiguration config)

Description copied from interface: DataSource

Configure LensKit to use this data set.

Specified by:

configure in interface DataSource

Parameters:

config - A LensKit configuration. Bindings for this data source's data will be added to this configuration.