org.apache.mahout.cf.taste.hadoop

Class MutableRecommendedItem

java.lang.Object

org.apache.mahout.cf.taste.hadoop.MutableRecommendedItem

All Implemented Interfaces:

RecommendedItem

public class MutableRecommendedItem
extends Object
implements RecommendedItem

Mutable variant of RecommendedItem

Constructor Summary

Constructors

Constructor and Description
MutableRecommendedItem()
MutableRecommendedItem(long itemID, float value)

Method Summary

Modifier and Type	Method and Description
void	capToMaxValue(float maxValue)
boolean	equals(Object o)
long	getItemID()
float	getValue() A value expressing the strength of the preference for the recommended item.
int	hashCode()
void	set(long itemID, float value)
void	setItemID(long itemID)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MutableRecommendedItem

public MutableRecommendedItem()

MutableRecommendedItem

public MutableRecommendedItem(long itemID,
                              float value)

Method Detail

getItemID

public long getItemID()

Specified by:

getItemID in interface RecommendedItem

Returns:

the recommended item ID

getValue

public float getValue()

Description copied from interface: RecommendedItem

A value expressing the strength of the preference for the recommended item. The range of the values depends on the implementation. Implementations must use larger values to express stronger preference.

Specified by:

getValue in interface RecommendedItem

Returns:

strength of the preference

setItemID

public void setItemID(long itemID)

set

public void set(long itemID,
                float value)

capToMaxValue

public void capToMaxValue(float maxValue)

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object