oracle.spatial.hadoop.vector.mapreduce

Class HierarchicalCountReducer

java.lang.Object

<any>

oracle.spatial.hadoop.vector.mapreduce.HierarchicalCountReducer

public class HierarchicalCountReducer
extends <any>

A reducer that takes the output generated by SpatialHierarchicalCountMapper and creates a different output for each hierarchy level. MultipleOutputs must have been configured for each hierarchy level using the layer's name as output name.

Author:

hsaucedo

Constructor Summary

Constructors

Constructor and Description
HierarchicalCountReducer()

Method Summary

Modifier and Type	Method and Description
void	reduce(Text key, java.lang.Iterable<LongWritable> values, Context context)
void	setup(Context context)

Methods inherited from class java.lang.Object

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

Constructor Detail

HierarchicalCountReducer

public HierarchicalCountReducer()

Method Detail

reduce

public void reduce(Text key,
                   java.lang.Iterable<LongWritable> values,
                   Context context)
            throws java.io.IOException,
                   java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

setup

public void setup(Context context)
           throws java.io.IOException,
                  java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException