org.locationtech.geowave.analytic.mapreduce.kde

Class KDEReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.LongWritable,GeoWaveOutputKey,org.opengis.coverage.grid.GridCoverage>

org.locationtech.geowave.analytic.mapreduce.kde.KDEReducer

public class KDEReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.LongWritable,GeoWaveOutputKey,org.opengis.coverage.grid.GridCoverage>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer

org.apache.hadoop.mapreduce.Reducer.Context

Field Summary

Fields

Modifier and Type	Field and Description
protected String	crsCode
protected List<String>	indexList
protected static double[]	MAXES_PER_BAND
protected static double[]	MINS_PER_BAND
protected static String[]	NAME_PER_BAND
static int	NUM_BANDS
protected double	prevPct
protected double	prevValue
protected GaussianFilter.ValueRange[]	valueRangePerDimension

Constructor Summary

Constructors

Constructor and Description
KDEReducer()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.DoubleWritable key, Iterable<org.apache.hadoop.io.LongWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Reducer.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Reducer

cleanup, run

Methods inherited from class java.lang.Object

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

Field Detail

NUM_BANDS

public static final int NUM_BANDS

See Also:

Constant Field Values

NAME_PER_BAND

protected static final String[] NAME_PER_BAND

MINS_PER_BAND

protected static final double[] MINS_PER_BAND

MAXES_PER_BAND

protected static final double[] MAXES_PER_BAND

indexList

protected List<String> indexList

valueRangePerDimension

protected GaussianFilter.ValueRange[] valueRangePerDimension

crsCode

protected String crsCode

prevValue

protected double prevValue

prevPct

protected double prevPct

Constructor Detail

KDEReducer

public KDEReducer()

Method Detail

reduce

protected void reduce(org.apache.hadoop.io.DoubleWritable key,
                      Iterable<org.apache.hadoop.io.LongWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.LongWritable,GeoWaveOutputKey,org.opengis.coverage.grid.GridCoverage>

Throws:

IOException

InterruptedException

setup

protected void setup(org.apache.hadoop.mapreduce.Reducer.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.LongWritable,GeoWaveOutputKey,org.opengis.coverage.grid.GridCoverage>

Throws:

IOException

InterruptedException