org.apache.hadoop.hive.ql.io
Class HiveKey

java.lang.Object
  org.apache.hadoop.io.BinaryComparable
      org.apache.hadoop.io.BytesWritable
          org.apache.hadoop.hive.ql.io.HiveKey

All Implemented Interfaces:

Comparable<org.apache.hadoop.io.BinaryComparable>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<org.apache.hadoop.io.BinaryComparable>

public class HiveKey
extends org.apache.hadoop.io.BytesWritable

HiveKey is a simple wrapper on Text which allows us to set the hashCode easily. hashCode is used for hadoop partitioner.

Nested Class Summary

static class

HiveKey.Comparator A Comparator optimized for HiveKey.

Field Summary

protected int

myHashCode

Constructor Summary

HiveKey()

Method Summary

int	hashCode()
void	setHashCode(int myHashCode)

Methods inherited from class org.apache.hadoop.io.BytesWritable

equals, get, getBytes, getCapacity, getLength, getSize, readFields, set, set, setCapacity, setSize, toString, write

Methods inherited from class org.apache.hadoop.io.BinaryComparable

compareTo, compareTo

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Comparable

compareTo

Field Detail

myHashCode

protected int myHashCode

Constructor Detail

HiveKey

public HiveKey()

Method Detail

setHashCode

public void setHashCode(int myHashCode)

hashCode

public int hashCode()

Overrides:

hashCode in class org.apache.hadoop.io.BytesWritable