com.asakusafw.directio.hive.parquet

Class ParquetFileOutput<T>

java.lang.Object

com.asakusafw.directio.hive.parquet.ParquetFileOutput<T>

Type Parameters:

T - the data model type

All Implemented Interfaces:

ModelOutput<T>, Closeable, AutoCloseable

public class ParquetFileOutput<T>
extends Object
implements ModelOutput<T>

An implementation of ModelOutput for writing Parquet files.

Since:

0.7.0

Version:

0.7.2

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ParquetFileOutput.Options The parquet file writing options.

Constructor Summary

Constructors

Constructor and Description
ParquetFileOutput(DataModelDescriptor descriptor, org.apache.hadoop.conf.Configuration configuration, org.apache.hadoop.fs.Path path, ParquetFileOutput.Options options, Counter counter) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
void	close()
void	write(T model) Writes the contents of the data model object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParquetFileOutput

public ParquetFileOutput(DataModelDescriptor descriptor,
                         org.apache.hadoop.conf.Configuration configuration,
                         org.apache.hadoop.fs.Path path,
                         ParquetFileOutput.Options options,
                         Counter counter)

Creates a new instance.

Parameters:

descriptor - the target data model descriptor

configuration - the hadoop configuration

path - the path to the target file

options - the parquet file output options

counter - the current counter

Method Detail

write

public void write(T model)
           throws IOException

Description copied from interface: ModelOutput

Writes the contents of the data model object.

Specified by:

write in interface ModelOutput<T>

Parameters:

model - the target data model object

Throws:

IOException - if error occurred while writing the data model object

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException