oracle.spatial.hadoop.vector.partition.mapred

Class HilbertValueMapper

java.lang.Object

MapReduceBase

oracle.spatial.hadoop.vector.partition.mapred.HilbertValueMapper

public class HilbertValueMapper
extends MapReduceBase

Calculates a hilbert value for every point of each input record geometry. The hilbert value is emitted along with the input record as a RecordInfo value. The emitted key contains a fixed group id so can be grouped in one single group.

Author:

hsaucedo

Constructor Summary

Constructors

Constructor and Description
HilbertValueMapper()

Method Summary

Modifier and Type	Method and Description
void	configure(JobConf jobConf)
void	map(NullWritable key, InputSplit value, <any> output, Reporter reporter)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HilbertValueMapper

public HilbertValueMapper()

Method Detail

configure

public void configure(JobConf jobConf)

map

public void map(NullWritable key,
                InputSplit value,
                <any> output,
                Reporter reporter)
         throws java.io.IOException

Throws:

java.io.IOException