Package org.grouplens.lenskit.data.text

Support for reading data from various forms of text files (mostly CSV its friends).

See: Description

Interface Summary

Interface	Description
EventFormat	Description of how an event is laid out in a line in a text file.
EventTypeDefinition	Definition for an event type that can be used to load it from a file.
Field	Identifiers for fields in a delimited/columnar database.

Class Summary

Class	Description
CSVFileItemNameDAOProvider	Provider for ItemListItemDAO that reads a list of item IDs from a file, one per line.
DelimitedColumnEventFormat	Read events from delimited columns (CSV, TSV, etc.).
Fields
Formats	Utility classes for event formats.
LikeBatchEventType	Event type for Like, reading plus counts without timestamps (by default).
LikeEventType	Event type for Like, reading plus events with optional timestamps.
RatingEventType	Event type for Ratings.
SimpleFileItemDAOProvider	Provider for ItemListItemDAO that reads a list of item IDs from a file, one per line.
SimpleFileUserDAOProvider	Provider for UserListUserDAO that reads a list of user IDs from a file, one per line.
TextEventDAO	DAO that reads events from a text file, one per line.

Exception Summary

Exception	Description
InvalidRowException	Exception thrown when an invalid row is encountered.

Annotation Types Summary

Annotation Type	Description
EventFile	Rating file for TextEventDAO.
ItemFile	Item list file for SimpleFileItemDAOProvider.
UserFile	User list file for SimpleFileUserDAOProvider.

Package org.grouplens.lenskit.data.text Description

Support for reading data from various forms of text files (mostly CSV its friends).