pegasus.mapreduce.common.io

Class UnweightedAdjacencyListInputFormat.AdjacencyListRecordReader

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

pegasus.mapreduce.common.io.UnweightedAdjacencyListInputFormat.AdjacencyListRecordReader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Enclosing class:

UnweightedAdjacencyListInputFormat

public static class UnweightedAdjacencyListInputFormat.AdjacencyListRecordReader
extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Constructor Summary

Constructors

Constructor and Description
AdjacencyListRecordReader(java.lang.String vertexDelimiter, java.lang.String edgeDelimiter)

Method Summary

Modifier and Type	Method and Description
void	close()
org.apache.hadoop.io.LongWritable	getCurrentKey()
LongArrayWritable	getCurrentValue()
float	getProgress()
void	initialize(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
boolean	nextKeyValue()

Methods inherited from class java.lang.Object

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

Constructor Detail

AdjacencyListRecordReader

public AdjacencyListRecordReader(java.lang.String vertexDelimiter,
                                 java.lang.String edgeDelimiter)

Method Detail

initialize

public void initialize(org.apache.hadoop.mapreduce.InputSplit split,
                       org.apache.hadoop.mapreduce.TaskAttemptContext context)
                throws java.io.IOException,
                       java.lang.InterruptedException

Specified by:

initialize in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Throws:

java.io.IOException

java.lang.InterruptedException

nextKeyValue

public boolean nextKeyValue()
                     throws java.io.IOException,
                            java.lang.InterruptedException

Specified by:

nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Throws:

java.io.IOException

java.lang.InterruptedException

getCurrentKey

public org.apache.hadoop.io.LongWritable getCurrentKey()
                                                throws java.io.IOException,
                                                       java.lang.InterruptedException

Specified by:

getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Throws:

java.io.IOException

java.lang.InterruptedException

getCurrentValue

public LongArrayWritable getCurrentValue()
                                  throws java.io.IOException,
                                         java.lang.InterruptedException

Specified by:

getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Throws:

java.io.IOException

java.lang.InterruptedException

getProgress

public float getProgress()
                  throws java.io.IOException,
                         java.lang.InterruptedException

Specified by:

getProgress in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Throws:

java.io.IOException

java.lang.InterruptedException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,LongArrayWritable>

Throws:

java.io.IOException