com.facebook.presto.hive.pagefile

Class PageWriter

java.lang.Object

com.facebook.presto.hive.pagefile.PageWriter

All Implemented Interfaces:

Closeable, AutoCloseable

public class PageWriter
extends Object
implements Closeable

Constructor Summary

Constructors

Constructor and Description
PageWriter(DataSink dataSink, HiveCompressionCodec compressionCodec, io.airlift.units.DataSize pageFileStripeMaxSize)

Method Summary

Modifier and Type	Method and Description
void	close()
void	closeWithoutWrite()
long	getRetainedBytes()
long	getWrittenBytes() Number of bytes already flushed to the data sink.
void	write(SerializedPage page)

Methods inherited from class java.lang.Object

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

Constructor Detail

PageWriter

public PageWriter(DataSink dataSink,
                  HiveCompressionCodec compressionCodec,
                  io.airlift.units.DataSize pageFileStripeMaxSize)

Method Detail

getWrittenBytes

public long getWrittenBytes()

Number of bytes already flushed to the data sink.

write

public void write(SerializedPage page)
           throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

closeWithoutWrite

public void closeWithoutWrite()
                       throws IOException

Throws:

IOException

getRetainedBytes

public long getRetainedBytes()