org.grouplens.lenskit.eval.data

Interface DataSource

All Known Implementing Classes:

AbstractDataSource, CSVDataSource, GenericDataSource, PackedDataSource

@BuiltBy(value=CSVDataSourceBuilder.class)
public interface DataSource

Data source for a single data set.

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.
java.lang.String	getName() Get the data source name.
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()

Method Detail

getName

java.lang.String getName()

Get the data source name.

Returns:

The data sources's name.

getPreferenceDomain

@Nullable
PreferenceDomain getPreferenceDomain()

Get the preference domain of this data source.

Returns:

The data source preference domain.

getEventDAO

EventDAO getEventDAO()

Get an event DAO for this data source.

Returns:

A DAO factory backed by this data source.

getUserEventDAO

UserEventDAO getUserEventDAO()

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

Returns:

A user-event DAO.

getItemEventDAO

ItemEventDAO getItemEventDAO()

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

Returns:

A item-event DAO.

getItemDAO

ItemDAO getItemDAO()

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

Returns:

An item DAO.

getUserDAO

UserDAO getUserDAO()

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

Returns:

An user DAO.

configure

void configure(LenskitConfiguration config)

Configure LensKit to use this data set.

Parameters:

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

lastModified

long lastModified()