com.facebook.presto.hive.pagefile

Class PageFilePageSource

java.lang.Object

com.facebook.presto.hive.pagefile.PageFilePageSource

All Implemented Interfaces:

com.facebook.presto.spi.ConnectorPageSource, Closeable, AutoCloseable

public class PageFilePageSource
extends Object
implements com.facebook.presto.spi.ConnectorPageSource

Field Summary

Fields inherited from interface com.facebook.presto.spi.ConnectorPageSource

NOT_BLOCKED

Constructor Summary

Constructors

Constructor and Description
PageFilePageSource(org.apache.hadoop.fs.FSDataInputStream inputStream, long start, long splitLength, long fileSize, com.facebook.presto.common.block.BlockEncodingSerde blockEncodingSerde, List<HiveColumnHandle> columns)

Method Summary

Modifier and Type	Method and Description
void	close()
long	getCompletedBytes()
long	getCompletedPositions()
com.facebook.presto.common.Page	getNextPage()
long	getReadTimeNanos()
long	getSystemMemoryUsage()
boolean	isFinished()

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.spi.ConnectorPageSource

getRuntimeStats, isBlocked

Constructor Detail

PageFilePageSource

public PageFilePageSource(org.apache.hadoop.fs.FSDataInputStream inputStream,
                          long start,
                          long splitLength,
                          long fileSize,
                          com.facebook.presto.common.block.BlockEncodingSerde blockEncodingSerde,
                          List<HiveColumnHandle> columns)
                   throws IOException

Throws:

IOException

Method Detail

getCompletedBytes

public long getCompletedBytes()

Specified by:

getCompletedBytes in interface com.facebook.presto.spi.ConnectorPageSource

getCompletedPositions

public long getCompletedPositions()

Specified by:

getCompletedPositions in interface com.facebook.presto.spi.ConnectorPageSource

getReadTimeNanos

public long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface com.facebook.presto.spi.ConnectorPageSource

isFinished

public boolean isFinished()

Specified by:

isFinished in interface com.facebook.presto.spi.ConnectorPageSource

getNextPage

public com.facebook.presto.common.Page getNextPage()

Specified by:

getNextPage in interface com.facebook.presto.spi.ConnectorPageSource

getSystemMemoryUsage

public long getSystemMemoryUsage()

Specified by:

getSystemMemoryUsage in interface com.facebook.presto.spi.ConnectorPageSource

close

public void close()
           throws IOException

Specified by:

close in interface com.facebook.presto.spi.ConnectorPageSource

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException