org.lenskit.eval.traintest.recommend

Class ItemSelector.GroovyItemSelector

java.lang.Object

org.lenskit.eval.traintest.recommend.ItemSelector

org.lenskit.eval.traintest.recommend.ItemSelector.GroovyItemSelector

Enclosing class:

ItemSelector

public static class ItemSelector.GroovyItemSelector
extends ItemSelector

Item selector based on a Groovy script.

Nested Class Summary

Nested classes/interfaces inherited from class org.lenskit.eval.traintest.recommend.ItemSelector

ItemSelector.GroovyItemSelector, ItemSelector.ItemSelectScript

Method Summary

Modifier and Type	Method and Description
String	getSource() Get the Groovy source of this item selector.
LongSet	selectItems(LongSet universe, Recommender recommender, TestUser user) Select a set of items for recommendation.
String	toString()

Methods inherited from class org.lenskit.eval.traintest.recommend.ItemSelector

allItems, compileSelector, fixed, fixed, nullSelector, userTestItems, userTrainItems

Methods inherited from class java.lang.Object

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

Method Detail

getSource

public String getSource()

Get the Groovy source of this item selector.

Returns:

The item selector’s source.

selectItems

public LongSet selectItems(LongSet universe,
                           Recommender recommender,
                           TestUser user)

Description copied from class: ItemSelector

Select a set of items for recommendation.

Specified by:

selectItems in class ItemSelector

Parameters:

universe - The universe of all items.

recommender - The recommender, in case additional information is needed form it.

user - The user being tested.

Returns:

A set of items.

toString

public String toString()

Overrides:

toString in class Object