Package io.trino.orc

Class AbstractOrcDataSource

java.lang.Object

io.trino.orc.AbstractOrcDataSource

All Implemented Interfaces:

OrcDataSource, Closeable, AutoCloseable

Direct Known Subclasses:

FileOrcDataSource

public abstract class AbstractOrcDataSource
extends Object
implements OrcDataSource

Constructor Summary

Constructors

Constructor	Description
AbstractOrcDataSource(OrcDataSourceId id, long estimatedSize, OrcReaderOptions options)

Method Summary

Modifier and Type	Method	Description
long	getEstimatedSize()
OrcDataSourceId	getId()
long	getReadBytes()
long	getReadTimeNanos()
long	getRetainedSize()	Gets the memory size of this data source.
io.airlift.slice.Slice	readFully(long position, int length)
<K> Map<K,OrcDataReader>	readFully(Map<K,DiskRange> diskRanges)
protected abstract void	readInternal(long position, byte[] buffer, int bufferOffset, int bufferLength)
io.airlift.slice.Slice	readTail(int length)
protected io.airlift.slice.Slice	readTailInternal(int length)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.orc.OrcDataSource

close

Constructor Detail

AbstractOrcDataSource

public AbstractOrcDataSource(OrcDataSourceId id,
                             long estimatedSize,
                             OrcReaderOptions options)

Method Detail

readTailInternal

protected io.airlift.slice.Slice readTailInternal(int length)
                                           throws IOException

Throws:

IOException

readInternal

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

Throws:

IOException

getId

public OrcDataSourceId getId()

Specified by:

getId in interface OrcDataSource

getReadBytes

public final long getReadBytes()

Specified by:

getReadBytes in interface OrcDataSource

getReadTimeNanos

public final long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface OrcDataSource

getEstimatedSize

public final long getEstimatedSize()

Specified by:

getEstimatedSize in interface OrcDataSource

readTail

public io.airlift.slice.Slice readTail(int length)
                                throws IOException

Specified by:

readTail in interface OrcDataSource

Throws:

IOException

getRetainedSize

public long getRetainedSize()

Description copied from interface: OrcDataSource

Gets the memory size of this data source. This only includes memory used for the data source and not memory assigned to a specific OrcDataReader.

Specified by:

getRetainedSize in interface OrcDataSource

readFully

public final io.airlift.slice.Slice readFully(long position,
                                              int length)
                                       throws IOException

Specified by:

readFully in interface OrcDataSource

Throws:

IOException

readFully

public final <K> Map<K,OrcDataReader> 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