com.cloudera.oryx.app.als

Class AbstractRescorerProvider

java.lang.Object

com.cloudera.oryx.app.als.AbstractRescorerProvider

All Implemented Interfaces:

RescorerProvider

Direct Known Subclasses:

MultiRescorerProvider

public abstract class AbstractRescorerProvider
extends Object
implements RescorerProvider

Abstract implementation of RescorerProvider which implements all methods to return null.

Since:

2.0.0

Constructor Summary

Constructors

Constructor and Description
AbstractRescorerProvider()

Method Summary

Modifier and Type	Method and Description
Rescorer	getMostActiveUsersRescorer(List<String> args)
Rescorer	getMostPopularItemsRescorer(List<String> args)
Rescorer	getMostSimilarItemsRescorer(List<String> args)
Rescorer	getRecommendRescorer(List<String> userIDs, List<String> args)
Rescorer	getRecommendToAnonymousRescorer(List<String> itemIDs, List<String> args)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractRescorerProvider

public AbstractRescorerProvider()

Method Detail

getRecommendRescorer

public Rescorer getRecommendRescorer(List<String> userIDs,
                                     List<String> args)

Specified by:

getRecommendRescorer in interface RescorerProvider

Parameters:

userIDs - user(s) for which recommendations are being made, which may be needed in the rescoring logic.

args - arguments, if any, that should be used when making the Rescorer. This is additional information from the request that may be necessary to its logic, like current location. What it means is up to the implementation.

Returns:

null

getRecommendToAnonymousRescorer

public Rescorer getRecommendToAnonymousRescorer(List<String> itemIDs,
                                                List<String> args)

Specified by:

getRecommendToAnonymousRescorer in interface RescorerProvider

Parameters:

itemIDs - items that the anonymous user is associated to

args - arguments, if any, that should be used when making the Rescorer. This is additional information from the request that may be necessary to its logic, like current location. What it means is up to the implementation.

Returns:

null

getMostPopularItemsRescorer

public Rescorer getMostPopularItemsRescorer(List<String> args)

Specified by:

getMostPopularItemsRescorer in interface RescorerProvider

Parameters:

args - arguments, if any, that should be used when making the Rescorer. This is additional information from the request that may be necessary to its logic, like current location. What it means is up to the implementation.

Returns:

null

getMostActiveUsersRescorer

public Rescorer getMostActiveUsersRescorer(List<String> args)

Specified by:

getMostActiveUsersRescorer in interface RescorerProvider

Parameters:

args - arguments, if any, that should be used when making the Rescorer. This is additional information from the request that may be necessary to its logic, like current location. What it means is up to the implementation.

Returns:

null

getMostSimilarItemsRescorer

public Rescorer getMostSimilarItemsRescorer(List<String> args)

Specified by:

getMostSimilarItemsRescorer in interface RescorerProvider

Parameters:

args - arguments, if any, that should be used when making the Rescorer. This is additional information from the request that may be necessary to its logic, like current location. What it means is up to the implementation.

Returns:

null