org.apache.hadoop.mapreduce.split

Class TezGroupedSplitsInputFormat.TezGroupedSplitsRecordReader

java.lang.Object

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

org.apache.hadoop.mapreduce.split.TezGroupedSplitsInputFormat.TezGroupedSplitsRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

TezGroupedSplitsInputFormat<K,V>

public class TezGroupedSplitsInputFormat.TezGroupedSplitsRecordReader
extends org.apache.hadoop.mapreduce.RecordReader<K,V>

Constructor Summary

Constructors

Constructor and Description
TezGroupedSplitsInputFormat.TezGroupedSplitsRecordReader(TezGroupedSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
K	getCurrentKey()
V	getCurrentValue()
float	getProgress() return progress based on the amount of data processed so far.
void	initialize(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
protected boolean	initNextRecordReader()
boolean	nextKeyValue()

Methods inherited from class java.lang.Object

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

Constructor Detail

TezGroupedSplitsInputFormat.TezGroupedSplitsRecordReader

public TezGroupedSplitsInputFormat.TezGroupedSplitsRecordReader(TezGroupedSplit split,
                                                        org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                         throws IOException

Throws:

IOException

Method Detail

initialize

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

Specified by:

initialize in class org.apache.hadoop.mapreduce.RecordReader<K,V>

Throws:

IOException

InterruptedException

nextKeyValue

public boolean nextKeyValue()
                     throws IOException,
                            InterruptedException

Specified by:

nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<K,V>

Throws:

IOException

InterruptedException

getCurrentKey

public K getCurrentKey()
                throws IOException,
                       InterruptedException

Specified by:

getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<K,V>

Throws:

IOException

InterruptedException

getCurrentValue

public V getCurrentValue()
                  throws IOException,
                         InterruptedException

Specified by:

getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<K,V>

Throws:

IOException

InterruptedException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class org.apache.hadoop.mapreduce.RecordReader<K,V>

Throws:

IOException

initNextRecordReader

protected boolean initNextRecordReader()
                                throws IOException

Throws:

IOException

getProgress

public float getProgress()
                  throws IOException,
                         InterruptedException

return progress based on the amount of data processed so far.

Specified by:

getProgress in class org.apache.hadoop.mapreduce.RecordReader<K,V>

Throws:

IOException

InterruptedException