org.apache.hadoop.hive.ql.io
Class CombineHiveRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>

java.lang.Object
  extended by org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader<K,V>
      extended by org.apache.hadoop.hive.ql.io.CombineHiveRecordReader<K,V>
Type Parameters:
K -
V -
All Implemented Interfaces:
org.apache.hadoop.mapred.RecordReader<K,V>

public class CombineHiveRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>
extends HiveContextAwareRecordReader<K,V>

CombineHiveRecordReader.


Field Summary
 
Fields inherited from class org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader
isSorted, jobConf, recordReader
 
Constructor Summary
CombineHiveRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.mapred.Reporter reporter, Integer partition)
           
 
Method Summary
 K createKey()
           
 V createValue()
           
 void doClose()
          Close this InputSplit to future operations.
 boolean doNext(K key, V value)
           
 long getPos()
           
 float getProgress()
           
 
Methods inherited from class org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader
close, foundAllTargets, getIOContext, initIOContext, initIOContext, initIOContext, initIOContextSortedProps, next, setRecordReader, updateIOContext
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CombineHiveRecordReader

public CombineHiveRecordReader(org.apache.hadoop.mapred.InputSplit split,
                               org.apache.hadoop.conf.Configuration conf,
                               org.apache.hadoop.mapred.Reporter reporter,
                               Integer partition)
                        throws IOException
Throws:
IOException
Method Detail

doClose

public void doClose()
             throws IOException
Description copied from class: HiveContextAwareRecordReader
Close this InputSplit to future operations.

Specified by:
doClose in class HiveContextAwareRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>
Throws:
IOException

createKey

public K createKey()

createValue

public V createValue()

getPos

public long getPos()
            throws IOException
Throws:
IOException

getProgress

public float getProgress()
                  throws IOException
Specified by:
getProgress in interface org.apache.hadoop.mapred.RecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>
Overrides:
getProgress in class HiveContextAwareRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>
Throws:
IOException

doNext

public boolean doNext(K key,
                      V value)
               throws IOException
Overrides:
doNext in class HiveContextAwareRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>
Throws:
IOException


Copyright © 2011 The Apache Software Foundation