org.apache.hive.hcatalog.rcfile

Class RCFileMapReduceRecordReader<K extends org.apache.hadoop.io.LongWritable,V extends BytesRefArrayWritable>

java.lang.Object

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

org.apache.hive.hcatalog.rcfile.RCFileMapReduceRecordReader<K,V>

All Implemented Interfaces:

Closeable, AutoCloseable

public class RCFileMapReduceRecordReader<K extends org.apache.hadoop.io.LongWritable,V extends BytesRefArrayWritable>
extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,BytesRefArrayWritable>

Constructor Summary

Constructors

Constructor and Description
RCFileMapReduceRecordReader()

Method Summary

Modifier and Type	Method and Description
void	close()
org.apache.hadoop.io.LongWritable	getCurrentKey()
BytesRefArrayWritable	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

RCFileMapReduceRecordReader

public RCFileMapReduceRecordReader()

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.LongWritable,BytesRefArrayWritable>

Throws:

IOException

getCurrentKey

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

Specified by:

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

Throws:

IOException

InterruptedException

getCurrentValue

public BytesRefArrayWritable getCurrentValue()
                                      throws IOException,
                                             InterruptedException

Specified by:

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

Throws:

IOException

InterruptedException

getProgress

public float getProgress()
                  throws IOException,
                         InterruptedException

Specified by:

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

Throws:

IOException

InterruptedException

nextKeyValue

public boolean nextKeyValue()
                     throws IOException,
                            InterruptedException

Specified by:

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

Throws:

IOException

InterruptedException

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.LongWritable,BytesRefArrayWritable>

Throws:

IOException

InterruptedException