edu.umd.cloud9.collection.trec

Class TrecDocumentInputFormatOld

java.lang.Object

org.apache.hadoop.mapred.FileInputFormat<K,V>

edu.umd.cloud9.collection.IndexableFileInputFormatOld<org.apache.hadoop.io.LongWritable,TrecDocument>

edu.umd.cloud9.collection.trec.TrecDocumentInputFormatOld

All Implemented Interfaces:

org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.LongWritable,TrecDocument>

public class TrecDocumentInputFormatOld
extends IndexableFileInputFormatOld<org.apache.hadoop.io.LongWritable,TrecDocument>

Hadoop InputFormat for processing the TREC collection.

Author:

Jimmy Lin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TrecDocumentInputFormatOld.TrecDocumentRecordReader Hadoop RecordReader for reading TREC-formatted documents.

Field Summary

Fields inherited from class org.apache.hadoop.mapred.FileInputFormat

LOG

Constructor Summary

Constructors

Constructor and Description
TrecDocumentInputFormatOld()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,TrecDocument>	getRecordReader(org.apache.hadoop.mapred.InputSplit inputSplit, org.apache.hadoop.mapred.JobConf conf, org.apache.hadoop.mapred.Reporter reporter) Returns a RecordReader for this InputFormat.

Methods inherited from class org.apache.hadoop.mapred.FileInputFormat

addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, isSplitable, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize

Methods inherited from class java.lang.Object

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

Constructor Detail

TrecDocumentInputFormatOld

public TrecDocumentInputFormatOld()

Method Detail

getRecordReader

public org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,TrecDocument> getRecordReader(org.apache.hadoop.mapred.InputSplit inputSplit,
                                                                                                    org.apache.hadoop.mapred.JobConf conf,
                                                                                                    org.apache.hadoop.mapred.Reporter reporter)
                                                                                                      throws IOException

Returns a RecordReader for this InputFormat.

Specified by:

getRecordReader in interface org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.LongWritable,TrecDocument>

Specified by:

getRecordReader in class org.apache.hadoop.mapred.FileInputFormat<org.apache.hadoop.io.LongWritable,TrecDocument>

Throws:

IOException