com.facebook.presto.orc

Class AbstractOrcDataSource

java.lang.Object

com.facebook.presto.orc.AbstractOrcDataSource

All Implemented Interfaces:

OrcDataSource, Closeable, AutoCloseable

Direct Known Subclasses:

FileOrcDataSource

public abstract class AbstractOrcDataSource
extends Object
implements OrcDataSource

Constructor Summary

Constructors

Constructor and Description
AbstractOrcDataSource(String name, long size, io.airlift.units.DataSize maxMergeDistance, io.airlift.units.DataSize maxBufferSize, io.airlift.units.DataSize streamBufferSize)

Method Summary

Modifier and Type	Method and Description
long	getReadBytes()
long	getReadTimeNanos()
long	getSize()
void	readFully(long position, byte[] buffer)
void	readFully(long position, byte[] buffer, int bufferOffset, int bufferLength)
<K> Map<K,io.airlift.slice.FixedLengthSliceInput>	readFully(Map<K,DiskRange> diskRanges)
protected abstract void	readInternal(long position, byte[] buffer, int bufferOffset, int bufferLength)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.presto.orc.OrcDataSource

close

Constructor Detail

AbstractOrcDataSource

public AbstractOrcDataSource(String name,
                             long size,
                             io.airlift.units.DataSize maxMergeDistance,
                             io.airlift.units.DataSize maxBufferSize,
                             io.airlift.units.DataSize streamBufferSize)

Method Detail

readInternal

protected abstract void readInternal(long position,
                                     byte[] buffer,
                                     int bufferOffset,
                                     int bufferLength)
                              throws IOException

Throws:

IOException

getReadBytes

public final long getReadBytes()

Specified by:

getReadBytes in interface OrcDataSource

getReadTimeNanos

public final long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface OrcDataSource

getSize

public final long getSize()

Specified by:

getSize in interface OrcDataSource

readFully

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

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

readFully

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

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

readFully

public final <K> Map<K,io.airlift.slice.FixedLengthSliceInput> readFully(Map<K,DiskRange> diskRanges)
                                                                  throws IOException

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

toString

public final String toString()

Overrides:

toString in class Object