org.lenskit.transform.quantize

Class PreferenceDomainQuantizer

java.lang.Object

org.lenskit.transform.quantize.ValueArrayQuantizer

org.lenskit.transform.quantize.PreferenceDomainQuantizer

All Implemented Interfaces:

java.io.Serializable, Quantizer

@Shareable
public class PreferenceDomainQuantizer
extends ValueArrayQuantizer

Quantizer that uses a range and precision to determine discrete values. Values are rounded to the closest discrete value.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PreferenceDomainQuantizer.AutoProvider

Field Summary

Fields inherited from class org.lenskit.transform.quantize.ValueArrayQuantizer

values

Constructor Summary

Constructors

Constructor and Description
PreferenceDomainQuantizer(double min, double max, double prec) Create a new preference domain quantizer.
PreferenceDomainQuantizer(PreferenceDomain dom) Create a new quantizer from a discrete preference domain.

Method Summary

Modifier and Type	Method and Description
PreferenceDomain	getPreferenceDomain()

Methods inherited from class org.lenskit.transform.quantize.ValueArrayQuantizer

getCount, getIndexValue, getValues, index, quantize

Methods inherited from class java.lang.Object

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

Constructor Detail

PreferenceDomainQuantizer

@Inject
public PreferenceDomainQuantizer(PreferenceDomain dom)

Create a new quantizer from a discrete preference domain.

Parameters:

dom - The preference domain.

Throws:

java.lang.IllegalArgumentException - if the domain is not discrete.

PreferenceDomainQuantizer

public PreferenceDomainQuantizer(double min,
                                 double max,
                                 double prec)

Create a new preference domain quantizer.

See Also:

PreferenceDomain.PreferenceDomain(double, double, double)

Method Detail

getPreferenceDomain

public PreferenceDomain getPreferenceDomain()