es.uam.eps.ir.ranksys.core.model

Class UserModel<U>

java.lang.Object

es.uam.eps.ir.ranksys.core.model.UserModel<U>

Type Parameters:

U - type of the user

Direct Known Subclasses:

AspectModel, BinomialModel, IntentModel, ItemNovelty, RelevanceModel

public abstract class UserModel<U>
extends Object

Generic class for representing (and caching) user models.

Author:

Saúl Vargas (saul.vargas@uam.es)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	UserModel.Model<U> User model

Constructor Summary

Constructors

Constructor and Description
UserModel() Constructor which does not do any caching.
UserModel(boolean caching, Stream<U> users) Constructor in which it can be specified whether to perform caching or not and the target users.
UserModel(Stream<U> users) Constructor which lazily caches the models for the specified users.
UserModel(UserModel<U> model) Constructor which lazily caches the models for the same users the model in the parameter does.

Method Summary

Modifier and Type	Method and Description
protected abstract UserModel.Model<U>	get(U u) Calculates the user model for user u.
UserModel.Model<U>	getModel(U u) Returns the user model for user u.
void	initialize() Start the caching of the users.

Methods inherited from class java.lang.Object

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

Constructor Detail

UserModel

public UserModel(boolean caching,
                 Stream<U> users)

Constructor in which it can be specified whether to perform caching or not and the target users.

Parameters:

caching - specify if user models are to be cached

users - users whose models are cached

UserModel

public UserModel()

Constructor which does not do any caching.

UserModel

public UserModel(Stream<U> users)

Constructor which lazily caches the models for the specified users.

Parameters:

users - set of users for which their results will be cached

UserModel

public UserModel(UserModel<U> model)

Constructor which lazily caches the models for the same users the model in the parameter does.

Parameters:

model - another model from which we see

Method Detail

initialize

public void initialize()

Start the caching of the users.

get

protected abstract UserModel.Model<U> get(U u)

Calculates the user model for user u.

Parameters:

u - the user

Returns:

a user model

getModel

public UserModel.Model<U> getModel(U u)

Returns the user model for user u.

Parameters:

u - the user

Returns:

a user model