org.apache.gora.tutorial.log

Class KeyValueWritable<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.WritableComparable>

java.lang.Object

org.apache.gora.tutorial.log.KeyValueWritable<K,V>

Type Parameters:

K - the class of key

V - the class of value

All Implemented Interfaces:

Comparable<KeyValueWritable<K,V>>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<KeyValueWritable<K,V>>

Direct Known Subclasses:

TextLong

public class KeyValueWritable<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.WritableComparable>
extends Object
implements org.apache.hadoop.io.WritableComparable<KeyValueWritable<K,V>>

A WritableComparable containing a key-value WritableComparable pair.

Field Summary

Fields

Modifier and Type	Field and Description
protected K	key
protected V	value

Constructor Summary

Constructors

Constructor and Description
KeyValueWritable()
KeyValueWritable(K key, V value)

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(KeyValueWritable<K,V> o)
boolean	equals(Object obj)
K	getKey()
V	getValue()
int	hashCode()
void	readFields(DataInput in)
void	setKey(K key)
void	setValue(V value)
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

key

protected K extends org.apache.hadoop.io.WritableComparable key

value

protected V extends org.apache.hadoop.io.WritableComparable value

Constructor Detail

KeyValueWritable

public KeyValueWritable()

KeyValueWritable

public KeyValueWritable(K key,
                V value)

Method Detail

getKey

public K getKey()

setKey

public void setKey(K key)

getValue

public V getValue()

setValue

public void setValue(V value)

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

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

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

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

Throws:

IOException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

compareTo

public int compareTo(KeyValueWritable<K,V> o)

Specified by:

compareTo in interface Comparable<KeyValueWritable<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.WritableComparable>>