org.grouplens.lenskit.transform.clamp

Class IdentityClampingFunction

java.lang.Object

org.grouplens.lenskit.transform.clamp.IdentityClampingFunction

All Implemented Interfaces:

java.io.Serializable, ClampingFunction

@Shareable
public final class IdentityClampingFunction
extends java.lang.Object
implements ClampingFunction, java.io.Serializable

Identity clamping function.

Since:

0.11

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IdentityClampingFunction()

Method Summary

Modifier and Type	Method and Description
double	apply(long user, long item, double value) Clamp a value.

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityClampingFunction

public IdentityClampingFunction()

Method Detail

apply

public double apply(long user,
                    long item,
                    double value)

Description copied from interface: ClampingFunction

Clamp a value.

Specified by:

apply in interface ClampingFunction

Parameters:

user - The user ID.

item - The item ID.

value - The value to clamp.

Returns:

The clamped value.