org.apache.hadoop.hive.ql.io.avro
Class AvroGenericRecordReader
java.lang.Object
org.apache.hadoop.hive.ql.io.avro.AvroGenericRecordReader
- All Implemented Interfaces:
- org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
public class AvroGenericRecordReader
- extends Object
- implements org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>, org.apache.hadoop.mapred.JobConfigurable
RecordReader optimized against Avro GenericRecords that returns to record
as the value of the k-v pair, as Hive requires.
Constructor Summary |
AvroGenericRecordReader(org.apache.hadoop.mapred.JobConf job,
org.apache.hadoop.mapred.FileSplit split,
org.apache.hadoop.mapred.Reporter reporter)
|
AvroGenericRecordReader
public AvroGenericRecordReader(org.apache.hadoop.mapred.JobConf job,
org.apache.hadoop.mapred.FileSplit split,
org.apache.hadoop.mapred.Reporter reporter)
throws IOException
- Throws:
IOException
next
public boolean next(org.apache.hadoop.io.NullWritable nullWritable,
AvroGenericRecordWritable record)
throws IOException
- Specified by:
next
in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
- Throws:
IOException
createKey
public org.apache.hadoop.io.NullWritable createKey()
- Specified by:
createKey
in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
createValue
public AvroGenericRecordWritable createValue()
- Specified by:
createValue
in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
getPos
public long getPos()
throws IOException
- Specified by:
getPos
in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
- Throws:
IOException
close
public void close()
throws IOException
- Specified by:
close
in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
- Throws:
IOException
getProgress
public float getProgress()
throws IOException
- Specified by:
getProgress
in interface org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,AvroGenericRecordWritable>
- Throws:
IOException
configure
public void configure(org.apache.hadoop.mapred.JobConf jobConf)
- Specified by:
configure
in interface org.apache.hadoop.mapred.JobConfigurable
Copyright © 2014 The Apache Software Foundation. All rights reserved.