edu.umd.cloud9.collection.wikipedia

Class WikipediaPageInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V>

edu.umd.cloud9.collection.IndexableFileInputFormat<org.apache.hadoop.io.LongWritable,WikipediaPage>

edu.umd.cloud9.collection.wikipedia.WikipediaPageInputFormat

public class WikipediaPageInputFormat
extends IndexableFileInputFormat<org.apache.hadoop.io.LongWritable,WikipediaPage>

Hadoop InputFormat for processing Wikipedia pages from the XML dumps.

Author:

Jimmy Lin, Peter Exner

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WikipediaPageInputFormat.WikipediaPageRecordReader

Constructor Summary

Constructors

Constructor and Description
WikipediaPageInputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,WikipediaPage>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, getSplits, isSplitable, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize

Methods inherited from class java.lang.Object

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

Constructor Detail

WikipediaPageInputFormat

public WikipediaPageInputFormat()

Method Detail

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,WikipediaPage> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                           org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                             throws IOException,
                                                                                                                    InterruptedException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.LongWritable,WikipediaPage>

Throws:

IOException

InterruptedException