org.apache.hadoop.examples
Class SecondarySort.IntPair

java.lang.Object
  org.apache.hadoop.examples.SecondarySort.IntPair

All Implemented Interfaces:

Comparable<SecondarySort.IntPair>, Writable, WritableComparable<SecondarySort.IntPair>

Enclosing class:

SecondarySort

public static class SecondarySort.IntPair
extends Object
implements WritableComparable<SecondarySort.IntPair>

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

Nested Class Summary

static class

SecondarySort.IntPair.Comparator A Comparator that compares serialized IntPair.

Constructor Summary

SecondarySort.IntPair()

Method Summary

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) Serialize the fields of this object to out.

Methods inherited from class java.lang.Object

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

Constructor Detail

SecondarySort.IntPair

public SecondarySort.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 Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

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>