org.apache.hadoop.hive.ql.io.avro

Class AvroContainerOutputFormat

java.lang.Object

org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat

All Implemented Interfaces:

HiveOutputFormat<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>, org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>

public class AvroContainerOutputFormat
extends Object
implements HiveOutputFormat<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>

Write to an Avro file from a Hive process.

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
AvroContainerOutputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
void	checkOutputSpecs(org.apache.hadoop.fs.FileSystem ignored, org.apache.hadoop.mapred.JobConf job)
FileSinkOperator.RecordWriter	getHiveRecordWriter(org.apache.hadoop.mapred.JobConf jobConf, org.apache.hadoop.fs.Path path, Class<? extends org.apache.hadoop.io.Writable> valueClass, boolean isCompressed, Properties properties, org.apache.hadoop.util.Progressable progressable) create the final out file and get some specific settings.
org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>	getRecordWriter(org.apache.hadoop.fs.FileSystem ignored, org.apache.hadoop.mapred.JobConf job, String fileName, org.apache.hadoop.util.Progressable progress)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Constructor Detail

AvroContainerOutputFormat

public AvroContainerOutputFormat()

Method Detail

getHiveRecordWriter

public FileSinkOperator.RecordWriter getHiveRecordWriter(org.apache.hadoop.mapred.JobConf jobConf,
                                                org.apache.hadoop.fs.Path path,
                                                Class<? extends org.apache.hadoop.io.Writable> valueClass,
                                                boolean isCompressed,
                                                Properties properties,
                                                org.apache.hadoop.util.Progressable progressable)
                                                  throws IOException

Description copied from interface: HiveOutputFormat

create the final out file and get some specific settings.

Specified by:

getHiveRecordWriter in interface HiveOutputFormat<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>

Parameters:

jobConf - the job configuration file

path - the final output file to be created

valueClass - the value class used for create

isCompressed - whether the content is compressed or not

properties - the table properties of this file's corresponding table

progressable - progress used for status report

Returns:

the RecordWriter for the output file

Throws:

IOException

getRecordWriter

public org.apache.hadoop.mapred.RecordWriter<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable> getRecordWriter(org.apache.hadoop.fs.FileSystem ignored,
                                                                                                                       org.apache.hadoop.mapred.JobConf job,
                                                                                                                       String fileName,
                                                                                                                       org.apache.hadoop.util.Progressable progress)
                                                                                                                         throws IOException

Specified by:

getRecordWriter in interface org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>

Throws:

IOException

checkOutputSpecs

public void checkOutputSpecs(org.apache.hadoop.fs.FileSystem ignored,
                    org.apache.hadoop.mapred.JobConf job)
                      throws IOException

Specified by:

checkOutputSpecs in interface org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.WritableComparable,AvroGenericRecordWritable>

Throws:

IOException