org.apache.mahout.text

Class LuceneSegmentInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat

org.apache.mahout.text.LuceneSegmentInputFormat

public class LuceneSegmentInputFormat
extends org.apache.hadoop.mapreduce.InputFormat

InputFormat implementation which splits a Lucene index at the segment level.

Constructor Summary

Constructors

Constructor and Description
LuceneSegmentInputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit inputSplit, org.apache.hadoop.mapreduce.TaskAttemptContext context)
List<LuceneSegmentInputSplit>	getSplits(org.apache.hadoop.mapreduce.JobContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneSegmentInputFormat

public LuceneSegmentInputFormat()

Method Detail

getSplits

public List<LuceneSegmentInputSplit> getSplits(org.apache.hadoop.mapreduce.JobContext context)
                                        throws IOException,
                                               InterruptedException

Specified by:

getSplits in class org.apache.hadoop.mapreduce.InputFormat

Throws:

IOException

InterruptedException

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.Text,org.apache.hadoop.io.NullWritable> createRecordReader(org.apache.hadoop.mapreduce.InputSplit inputSplit,
                                                                                                                       org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                                         throws IOException,
                                                                                                                                InterruptedException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat

Throws:

IOException

InterruptedException