oracle.spatial.hadoop.vector.cluster.kmeans.mapreduce

Class PointKeyInputFormat<K,V>

java.lang.Object

<any>

oracle.spatial.hadoop.vector.mapreduce.input.WrapperInputFormat<PointWritable,NullWritable,K,V>

oracle.spatial.hadoop.vector.cluster.kmeans.mapreduce.PointKeyInputFormat<K,V>

Type Parameters:

K -

V -

public class PointKeyInputFormat<K,V>
extends WrapperInputFormat<PointWritable,NullWritable,K,V>

InputFormat implementation that returns each input record with spatial information as single point. If the record's geometry is different than point, a centroid is calculated. This class is used along with KMeansSampler.

Author:

hsaucedo

Constructor Summary

Constructors

Constructor and Description
PointKeyInputFormat()

Method Summary

Modifier and Type	Method and Description
<any>	createRecordReader(InputSplit split, TaskAttemptContext context)

Methods inherited from class oracle.spatial.hadoop.vector.mapreduce.input.WrapperInputFormat

createInternalInputFormat, getFittingInputSplit, getInternalInputFormat, getInternalInputFormatClass, getRecordInfoProvider, getRecordInfoProviderClass, getSplits, setInternalInputFormatClass, setRecordInfoProviderClass

Methods inherited from class java.lang.Object

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

Constructor Detail

PointKeyInputFormat

public PointKeyInputFormat()

Method Detail

createRecordReader

public <any> createRecordReader(InputSplit split,
                                TaskAttemptContext context)
                         throws java.io.IOException,
                                java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException