org.grouplens.lenskit.data.dao

Interface ItemDAO

All Known Implementing Classes:

BinaryRatingDAO, ItemListItemDAO, JDBCRatingDAO, MapItemNameDAO, PrefetchingItemDAO, RatingSnapshotDAO

@DefaultImplementation(value=PrefetchingItemDAO.class)
public interface ItemDAO

DAO for items. The base interface only exposes the set of item IDs.

Since:

1.3

Method Summary

Modifier and Type	Method and Description
LongSet	getItemIds() Get all known item IDs.

Method Detail

getItemIds

LongSet getItemIds()

Get all known item IDs.

Returns:

The set of known item IDs.