org.apache.mahout.cf.taste.hadoop

Class EntityPrefWritable

java.lang.Object

org.apache.mahout.math.VarLongWritable

org.apache.mahout.cf.taste.hadoop.EntityPrefWritable

All Implemented Interfaces:

Cloneable, Comparable<VarLongWritable>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<VarLongWritable>

public final class EntityPrefWritable
extends VarLongWritable
implements Cloneable

A Writable encapsulating an item ID and a preference value.

Constructor Summary

Constructors

Constructor and Description
EntityPrefWritable()
EntityPrefWritable(EntityPrefWritable other)
EntityPrefWritable(long itemID, float prefValue)

Method Summary

Modifier and Type	Method and Description
EntityPrefWritable	clone()
boolean	equals(Object o)
long	getID()
float	getPrefValue()
int	hashCode()
void	readFields(DataInput in)
String	toString()
void	write(DataOutput out)

Methods inherited from class org.apache.mahout.math.VarLongWritable

compareTo, get, set

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityPrefWritable

public EntityPrefWritable()

EntityPrefWritable

public EntityPrefWritable(long itemID,
                          float prefValue)

EntityPrefWritable

public EntityPrefWritable(EntityPrefWritable other)

Method Detail

getID

public long getID()

getPrefValue

public float getPrefValue()

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Overrides:

write in class VarLongWritable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Overrides:

readFields in class VarLongWritable

Throws:

IOException

hashCode

public int hashCode()

Overrides:

hashCode in class VarLongWritable

equals

public boolean equals(Object o)

Overrides:

equals in class VarLongWritable

toString

public String toString()

Overrides:

toString in class VarLongWritable

clone

public EntityPrefWritable clone()

Overrides:

clone in class Object