org.apache.mahout.cf.taste.hadoop
Class ItemItemWritable

java.lang.Object
  extended by org.apache.mahout.cf.taste.hadoop.ItemItemWritable
All Implemented Interfaces:
java.lang.Comparable<ItemItemWritable>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<ItemItemWritable>

public final class ItemItemWritable
extends java.lang.Object
implements org.apache.hadoop.io.WritableComparable<ItemItemWritable>

A WritableComparable encapsulating two items.


Constructor Summary
ItemItemWritable()
           
ItemItemWritable(long itemAID, long itemBID)
           
 
Method Summary
 int compareTo(ItemItemWritable that)
           
 boolean equals(java.lang.Object o)
           
 long getItemAID()
           
 long getItemBID()
           
 int hashCode()
           
static ItemItemWritable read(java.io.DataInput in)
           
 void readFields(java.io.DataInput in)
           
 java.lang.String toString()
           
 void write(java.io.DataOutput out)
           
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ItemItemWritable

public ItemItemWritable()

ItemItemWritable

public ItemItemWritable(long itemAID,
                        long itemBID)
Method Detail

getItemAID

public long getItemAID()

getItemBID

public long getItemBID()

write

public void write(java.io.DataOutput out)
           throws java.io.IOException
Specified by:
write in interface org.apache.hadoop.io.Writable
Throws:
java.io.IOException

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException
Specified by:
readFields in interface org.apache.hadoop.io.Writable
Throws:
java.io.IOException

read

public static ItemItemWritable read(java.io.DataInput in)
                             throws java.io.IOException
Throws:
java.io.IOException

compareTo

public int compareTo(ItemItemWritable that)
Specified by:
compareTo in interface java.lang.Comparable<ItemItemWritable>

hashCode

public int hashCode()
Overrides:
hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)
Overrides:
equals in class java.lang.Object

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object


Copyright © 2008-2010 The Apache Software Foundation. All Rights Reserved.