org.grouplens.lenskit.data.dao

Class SimpleFileRatingDAO

java.lang.Object

org.grouplens.lenskit.data.dao.SimpleFileRatingDAO

All Implemented Interfaces:

EventDAO, Describable

Deprecated.

Use TextEventDAO instead.

@Deprecated
public class SimpleFileRatingDAO
extends Object
implements EventDAO, Describable

Rating-only data source backed by a simple delimited file.

Compatibility

Public

Constructor Summary

Constructors

Constructor and Description
SimpleFileRatingDAO(File file, String delim) Deprecated. Create a DAO reading from the specified file and delimiter.
SimpleFileRatingDAO(File file, String delim, CompressionMode comp) Deprecated. use create(File, String, CompressionMode) instead.

Method Summary

Modifier and Type	Method and Description
static SimpleFileRatingDAO	create(File file, String delim) Deprecated. Create a DAO reading from the specified file and delimiter.
static SimpleFileRatingDAO	create(File file, String delim, CompressionMode comp) Deprecated. Create a DAO reading from the specified file/URL and delimiter.
void	describeTo(DescriptionWriter descr) Deprecated. Write this class's description to a sink.
File	getSourceFile() Deprecated.
Cursor<Event>	streamEvents() Deprecated. Stream all events.
<E extends Event> Cursor<E>	streamEvents(Class<E> type) Deprecated. Stream all events of a given type.
<E extends Event> Cursor<E>	streamEvents(Class<E> type, SortOrder order) Deprecated. Stream all events of a given type in a specified order.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleFileRatingDAO

@Deprecated
public SimpleFileRatingDAO(File file,
                                       String delim,
                                       CompressionMode comp)

Deprecated. use create(File, String, CompressionMode) instead.

Create a DAO reading from the specified file/URL and delimiter.

Parameters:

file - The file.

delim - The delimiter to look for in the file.

comp - Whether the input is compressed.

SimpleFileRatingDAO

@Inject
public SimpleFileRatingDAO(@RatingFile
                                   File file,
                                   @FieldSeparator
                                   String delim)

Deprecated.

Create a DAO reading from the specified file and delimiter.

Parameters:

file - The file.

delim - The delimiter to look for in the file.

Method Detail

create

public static SimpleFileRatingDAO create(File file,
                                         String delim,
                                         CompressionMode comp)

Deprecated.

Create a DAO reading from the specified file/URL and delimiter. Instead of a constructor, use a static constructor method.

Parameters:

file - The file.

delim - The delimiter to look for in the file.

comp - Whether the input is compressed.

Returns:

A SimpleFileRatingDao Object

create

public static SimpleFileRatingDAO create(File file,
                                         String delim)

Deprecated.

Create a DAO reading from the specified file and delimiter. Instead of a constructor, use a static constructor method.

Parameters:

file - The file.

delim - The delimiter to look for in the file.

Returns:

A SimpleFileRatingDao Object

getSourceFile

public File getSourceFile()

Deprecated.

streamEvents

public Cursor<Event> streamEvents()

Deprecated.

Description copied from interface: EventDAO

Stream all events.

Specified by:

streamEvents in interface EventDAO

Returns:

A cursor over all events.

streamEvents

public <E extends Event> Cursor<E> streamEvents(Class<E> type)

Deprecated.

Description copied from interface: EventDAO

Stream all events of a given type.

Specified by:

streamEvents in interface EventDAO

Parameters:

type - The event type.

Returns:

A cursor over all events.

streamEvents

public <E extends Event> Cursor<E> streamEvents(Class<E> type,
                                                SortOrder order)

Deprecated.

Description copied from interface: EventDAO

Stream all events of a given type in a specified order.

Specified by:

streamEvents in interface EventDAO

Parameters:

type - The event type.

order - The order.

Returns:

A cursor over all events.

describeTo

public void describeTo(DescriptionWriter descr)

Deprecated.

Description copied from interface: Describable

Write this class's description to a sink. Anything relevant to this object's identity should be digested; the idea is that, barring hash collisions, two objects with the same digest are equivalent. Used for things like deterministically generating cache file names.

Specified by:

describeTo in interface Describable

Parameters:

descr - The description writer to use.