com.facebook.hiveio.mapreduce.output

Class SplitReader

java.lang.Object

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

com.facebook.hiveio.mapreduce.output.SplitReader

All Implemented Interfaces:

Closeable, AutoCloseable

public class SplitReader
extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

InputSplit reader

Constructor Summary

Constructors

Constructor and Description
SplitReader(List<org.apache.hadoop.io.MapWritable> rows) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
org.apache.hadoop.io.NullWritable	getCurrentKey()
org.apache.hadoop.io.MapWritable	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

SplitReader

public SplitReader(List<org.apache.hadoop.io.MapWritable> rows)

Constructor

Parameters:

rows - map records

Method Detail

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<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

Throws:

IOException

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<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

Throws:

IOException

InterruptedException

nextKeyValue

public boolean nextKeyValue()
                     throws IOException,
                            InterruptedException

Specified by:

nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

Throws:

IOException

InterruptedException

getCurrentKey

public org.apache.hadoop.io.NullWritable getCurrentKey()
                                                throws IOException,
                                                       InterruptedException

Specified by:

getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

Throws:

IOException

InterruptedException

getCurrentValue

public org.apache.hadoop.io.MapWritable getCurrentValue()
                                                 throws IOException,
                                                        InterruptedException

Specified by:

getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

Throws:

IOException

InterruptedException

getProgress

public float getProgress()
                  throws IOException,
                         InterruptedException

Specified by:

getProgress in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.MapWritable>

Throws:

IOException

InterruptedException