com.facebook.presto.hive.pagefile

Class PageFileWriter

java.lang.Object

com.facebook.presto.hive.pagefile.PageFileWriter

All Implemented Interfaces:

HiveFileWriter

public class PageFileWriter
extends Object
implements HiveFileWriter

Constructor Summary

Constructors

Constructor and Description
PageFileWriter(com.facebook.presto.common.io.DataSink dataSink, com.facebook.presto.spi.page.PagesSerde pagesSerde, HiveCompressionCodec compression, io.airlift.units.DataSize pageFileStripeMaxSize, Callable<Void> rollbackAction)

Method Summary

Modifier and Type	Method and Description
void	appendRows(com.facebook.presto.common.Page dataPage)
Optional<com.facebook.presto.common.Page>	commit()
long	getFileSizeInBytes()
long	getSystemMemoryUsage()
long	getValidationCpuNanos()
long	getWrittenBytes()
void	rollback()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.presto.hive.HiveFileWriter

getVerificationTask

Constructor Detail

PageFileWriter

public PageFileWriter(com.facebook.presto.common.io.DataSink dataSink,
                      com.facebook.presto.spi.page.PagesSerde pagesSerde,
                      HiveCompressionCodec compression,
                      io.airlift.units.DataSize pageFileStripeMaxSize,
                      Callable<Void> rollbackAction)

Method Detail

getWrittenBytes

public long getWrittenBytes()

Specified by:

getWrittenBytes in interface HiveFileWriter

getSystemMemoryUsage

public long getSystemMemoryUsage()

Specified by:

getSystemMemoryUsage in interface HiveFileWriter

appendRows

public void appendRows(com.facebook.presto.common.Page dataPage)

Specified by:

appendRows in interface HiveFileWriter

commit

public Optional<com.facebook.presto.common.Page> commit()

Specified by:

commit in interface HiveFileWriter

rollback

public void rollback()

Specified by:

rollback in interface HiveFileWriter

getValidationCpuNanos

public long getValidationCpuNanos()

Specified by:

getValidationCpuNanos in interface HiveFileWriter

getFileSizeInBytes

public long getFileSizeInBytes()

Specified by:

getFileSizeInBytes in interface HiveFileWriter