org.springframework.data.hadoop.store.output

Class OutputStreamWriter

java.lang.Object

org.springframework.data.hadoop.store.support.LifecycleObjectSupport

org.springframework.data.hadoop.store.support.StoreObjectSupport

org.springframework.data.hadoop.store.support.OutputStoreObjectSupport

org.springframework.data.hadoop.store.output.AbstractDataStreamWriter

org.springframework.data.hadoop.store.output.OutputStreamWriter

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable, org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.InitializingBean, org.springframework.context.Lifecycle, org.springframework.context.Phased, org.springframework.context.SmartLifecycle, DataStoreWriter<byte[]>, DataWriter<byte[]>

public class OutputStreamWriter
extends AbstractDataStreamWriter
implements DataStoreWriter<byte[]>

A OutputStreamWriter is a DataStoreWriter implementation able to write byte[]s into raw hdfs files.

Author:

Janne Valkealahti

Field Summary

Fields inherited from class org.springframework.data.hadoop.store.output.AbstractDataStreamWriter

DEFAULT_MAX_OPEN_ATTEMPTS

Constructor Summary

Constructors

Constructor and Description
OutputStreamWriter(org.apache.hadoop.conf.Configuration configuration, org.apache.hadoop.fs.Path basePath, CodecInfo codec) Instantiates a new output stream writer.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	flush()
protected void	handleIdleTimeout() Handle idle timeout.
void	hflush()
void	write(byte[] entity) Write an entity.

Methods inherited from class org.springframework.data.hadoop.store.output.AbstractDataStreamWriter

getOutput, getPosition, setMaxOpenAttempts

Methods inherited from class org.springframework.data.hadoop.store.support.OutputStoreObjectSupport

findInitFiles, getOutputContext, getResolvedPath, initOutputContext, isAppendable, isFileWriteable, isOverwrite, isSyncable, onInit, renameFile, setAppendable, setFileNamingStrategy, setInWritingPrefix, setInWritingSuffix, setOverwrite, setRolloverStrategy, setSyncable, setWritePosition

Methods inherited from class org.springframework.data.hadoop.store.support.StoreObjectSupport

doStart, doStop, getCodec, getConfiguration, getPath, isCompressed, resetIdleTimeout, setCloseTimeout, setIdleTimeout

Methods inherited from class org.springframework.data.hadoop.store.support.LifecycleObjectSupport

afterPropertiesSet, getBeanFactory, getPhase, getStoreEventPublisher, getTaskExecutor, getTaskScheduler, isAutoStartup, isRunning, setAutoStartup, setBeanFactory, setPhase, setStoreEventPublisher, setTaskExecutor, setTaskScheduler, start, stop, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

OutputStreamWriter

public OutputStreamWriter(org.apache.hadoop.conf.Configuration configuration,
                  org.apache.hadoop.fs.Path basePath,
                  CodecInfo codec)

Instantiates a new output stream writer.

Parameters:

configuration - the configuration

basePath - the base path

codec - the codec

Method Detail

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in interface java.io.Flushable

Throws:

java.io.IOException

hflush

public void hflush()
            throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException

write

public void write(byte[] entity)
           throws java.io.IOException

Description copied from interface: DataWriter

Write an entity.

Specified by:

write in interface DataWriter<byte[]>

Parameters:

entity - the entity to write

Throws:

java.io.IOException - if an I/O error occurs

handleIdleTimeout

protected void handleIdleTimeout()

Description copied from class: StoreObjectSupport

Handle idle timeout. This method should be overriden to be notified of idle timeouts. Default implementation doesn't do anything.

Overrides:

handleIdleTimeout in class StoreObjectSupport