edu.umd.cloud9.collection

Class XMLInputFormatOld.XMLRecordReader

java.lang.Object

edu.umd.cloud9.collection.XMLInputFormatOld.XMLRecordReader

All Implemented Interfaces:

org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Enclosing class:

XMLInputFormatOld

public static class XMLInputFormatOld.XMLRecordReader
extends Object
implements org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Simple RecordReader for XML documents (org.apache.hadoop.mapred API). Recognizes begin-of-document and end-of-document tags only: everything between those delimiting tags is returned in a Text object.

Author:

Jimmy Lin

Constructor Summary

Constructors

Constructor and Description
XMLInputFormatOld.XMLRecordReader(org.apache.hadoop.mapred.FileSplit split, org.apache.hadoop.mapred.JobConf jobConf)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
org.apache.hadoop.io.LongWritable	createKey()
org.apache.hadoop.io.Text	createValue()
long	getEnd()
long	getPos()
float	getProgress()
long	getStart()
boolean	next(org.apache.hadoop.io.LongWritable key, org.apache.hadoop.io.Text value)

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLInputFormatOld.XMLRecordReader

public XMLInputFormatOld.XMLRecordReader(org.apache.hadoop.mapred.FileSplit split,
                                 org.apache.hadoop.mapred.JobConf jobConf)
                                  throws IOException

Throws:

IOException

Method Detail

next

public boolean next(org.apache.hadoop.io.LongWritable key,
           org.apache.hadoop.io.Text value)
             throws IOException

Specified by:

next in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

createKey

public org.apache.hadoop.io.LongWritable createKey()

Specified by:

createKey in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

createValue

public org.apache.hadoop.io.Text createValue()

Specified by:

createValue in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

getPos

public long getPos()
            throws IOException

Specified by:

getPos in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException

Specified by:

getProgress in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>

Throws:

IOException

getStart

public long getStart()

getEnd

public long getEnd()