oracle.spatial.hadoop.vector.partition.mapred

Class HilbertValueReducer

java.lang.Object

org.apache.hadoop.mapred.MapReduceBase

oracle.spatial.hadoop.vector.partition.mapred.HilbertValueReducer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<HilbertValueGroup,RecordInfo,org.apache.hadoop.io.LongWritable,PointWritable>

public class HilbertValueReducer
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Reducer<HilbertValueGroup,RecordInfo,org.apache.hadoop.io.LongWritable,PointWritable>

Generates a sorted list of hilbert-value/point pairs.

Constructor Summary

Constructors

Constructor and Description
HilbertValueReducer()

Method Summary

Modifier and Type	Method and Description
void	configure(org.apache.hadoop.mapred.JobConf jobConf)
void	reduce(HilbertValueGroup key, java.util.Iterator<RecordInfo> values, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.LongWritable,PointWritable> output, org.apache.hadoop.mapred.Reporter reporter)

Methods inherited from class org.apache.hadoop.mapred.MapReduceBase

close

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Constructor Detail

HilbertValueReducer

public HilbertValueReducer()

Method Detail

configure

public void configure(org.apache.hadoop.mapred.JobConf jobConf)

Specified by:

configure in interface org.apache.hadoop.mapred.JobConfigurable

Overrides:

configure in class org.apache.hadoop.mapred.MapReduceBase

reduce

public void reduce(HilbertValueGroup key,
                   java.util.Iterator<RecordInfo> values,
                   org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.LongWritable,PointWritable> output,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws java.io.IOException

Specified by:

reduce in interface org.apache.hadoop.mapred.Reducer<HilbertValueGroup,RecordInfo,org.apache.hadoop.io.LongWritable,PointWritable>

Throws:

java.io.IOException