com.facebook.presto.orc

Class CachingOrcDataSource

java.lang.Object

com.facebook.presto.orc.CachingOrcDataSource

All Implemented Interfaces:

OrcDataSource, Closeable, AutoCloseable

public class CachingOrcDataSource
extends Object
implements OrcDataSource

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CachingOrcDataSource.RegionFinder

Constructor Summary

Constructors

Constructor and Description
CachingOrcDataSource(OrcDataSource dataSource, CachingOrcDataSource.RegionFinder regionFinder)

Method Summary

Modifier and Type	Method and Description
void	close()
OrcDataSourceId	getId()
long	getReadBytes()
long	getReadTimeNanos()
long	getSize()
void	readFully(long position, byte[] buffer)
void	readFully(long position, byte[] buffer, int bufferOffset, int length)
<K> Map<K,OrcDataSourceInput>	readFully(Map<K,DiskRange> diskRanges)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingOrcDataSource

public CachingOrcDataSource(OrcDataSource dataSource,
                            CachingOrcDataSource.RegionFinder regionFinder)

Method Detail

getId

public OrcDataSourceId getId()

Specified by:

getId in interface OrcDataSource

getReadBytes

public long getReadBytes()

Specified by:

getReadBytes in interface OrcDataSource

getReadTimeNanos

public long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface OrcDataSource

getSize

public long getSize()

Specified by:

getSize in interface OrcDataSource

readFully

public void readFully(long position,
                      byte[] buffer)
               throws IOException

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

readFully

public void readFully(long position,
                      byte[] buffer,
                      int bufferOffset,
                      int length)
               throws IOException

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

readFully

public <K> Map<K,OrcDataSourceInput> readFully(Map<K,DiskRange> diskRanges)
                                        throws IOException

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface OrcDataSource

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object