Package com.alibaba.graphscope.format

Class LongLongRecordReader

java.lang.Object

com.alibaba.graphscope.format.LongLongRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,LongLong>

public class LongLongRecordReader
extends Object
implements org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.LongWritable,LongLong>

Constructor Summary

Constructors

Constructor	Description
LongLongRecordReader(org.apache.hadoop.conf.Configuration job, org.apache.hadoop.mapred.FileSplit split, byte[] recordDelimiter)

Method Summary

Modifier and Type	Method	Description
void	close()
org.apache.hadoop.io.LongWritable	createKey()
LongLong	createValue()
long	getPos()
float	getProgress()
boolean	next(org.apache.hadoop.io.LongWritable longWritable, LongLong longLong)

Methods inherited from class java.lang.Object

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

Constructor Detail

LongLongRecordReader

public LongLongRecordReader(org.apache.hadoop.conf.Configuration job,
                            org.apache.hadoop.mapred.FileSplit split,
                            byte[] recordDelimiter)
                     throws IOException

Throws:

IOException

Method Detail

next

public boolean next(org.apache.hadoop.io.LongWritable longWritable,
                    LongLong longLong)
             throws IOException

Specified by:

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

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,LongLong>

createValue

public LongLong createValue()

Specified by:

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

getPos

public long getPos()
            throws IOException

Specified by:

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

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

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

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException

Specified by:

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

Throws:

IOException