com.asakusafw.runtime.io.sequencefile

Class SequenceFileModelOutput<T>

java.lang.Object

com.asakusafw.runtime.io.sequencefile.SequenceFileModelOutput<T>

Type Parameters:

T - the data model type

All Implemented Interfaces:

ModelOutput<T>, Closeable, AutoCloseable

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

An implementation of ModelOutput using SequenceFile.

Constructor Summary

Constructors

Constructor and Description
SequenceFileModelOutput(org.apache.hadoop.io.SequenceFile.Writer writer) Creates a new instance.
SequenceFileModelOutput(org.apache.hadoop.io.SequenceFile.Writer writer, Closeable closeable) 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

SequenceFileModelOutput

public SequenceFileModelOutput(org.apache.hadoop.io.SequenceFile.Writer writer)

Creates a new instance.

Parameters:

writer - the target writer

Throws:

IllegalArgumentException - if the parameter is null

SequenceFileModelOutput

public SequenceFileModelOutput(org.apache.hadoop.io.SequenceFile.Writer writer,
                               Closeable closeable)

Creates a new instance.

Parameters:

writer - target writer

closeable - close target when close() is invoked

Throws:

IllegalArgumentException - if some parameters were null

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