org.apache.hadoop.examples

Class SecondarySort.IntPair

java.lang.Object

org.apache.hadoop.examples.SecondarySort.IntPair

All Implemented Interfaces:

Comparable<SecondarySort.IntPair>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<SecondarySort.IntPair>

Enclosing class:

SecondarySort

public static class SecondarySort.IntPair
extends Object
implements org.apache.hadoop.io.WritableComparable<SecondarySort.IntPair>

Define a pair of integers that are writable. They are serialized in a byte comparable format.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SecondarySort.IntPair.Comparator A Comparator that compares serialized IntPair.

Constructor Summary

Constructors

Constructor and Description
IntPair()

Method Summary

Modifier and Type	Method and Description
int	compareTo(SecondarySort.IntPair o)
boolean	equals(Object right)
int	getFirst()
int	getSecond()
int	hashCode()
void	readFields(DataInput in) Read the two integers.
void	set(int left, int right) Set the left and right values.
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

IntPair

public IntPair()

Method Detail

set

public void set(int left,
                int right)

Set the left and right values.

getFirst

public int getFirst()

getSecond

public int getSecond()

readFields

public void readFields(DataInput in)
                throws IOException

Read the two integers. Encoded as: MIN_VALUE -> 0, 0 -> -MIN_VALUE, MAX_VALUE-> -1

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 right)

Overrides:

equals in class Object

compareTo

public int compareTo(SecondarySort.IntPair o)

Specified by:

compareTo in interface Comparable<SecondarySort.IntPair>