Class SeekableInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.apache.commons.io.input.ProxyInputStream

org.aksw.commons.io.hadoop.SeekableInputStream

All Implemented Interfaces:

Closeable, AutoCloseable, SeekableDecorator, HasPosition, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable

public class SeekableInputStream
extends org.apache.commons.io.input.ProxyInputStream
implements SeekableDecorator, HasPosition, org.apache.hadoop.fs.PositionedReadable

Combines Hadoop's Seekable and InputStream into one class.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.hadoop.fs.Seekable	seekable

Fields inherited from class FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
SeekableInputStream(InputStream proxy, org.apache.hadoop.fs.Seekable seekable)	Constructs a new ProxyInputStream.

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.fs.Seekable	getSeekable()
long	position()
void	position(long pos)
int	read(long position, byte[] buffer, int offset, int length)
void	readFully(long position, byte[] buffer)
void	readFully(long position, byte[] buffer, int offset, int length)

Methods inherited from class org.apache.commons.io.input.ProxyInputStream

afterRead, available, beforeRead, close, handleIOException, mark, markSupported, read, read, read, reset, skip, unwrap

Methods inherited from class InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class Object

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

Methods inherited from interface org.apache.hadoop.fs.PositionedReadable

maxReadSizeForVectorReads, minSeekForVectorReads, readVectored

Methods inherited from interface SeekableDecorator

getPos, seek, seekToNewSource

Field Details

seekable

protected org.apache.hadoop.fs.Seekable seekable

Constructor Details

SeekableInputStream

public SeekableInputStream(InputStream proxy,
 org.apache.hadoop.fs.Seekable seekable)

Constructs a new ProxyInputStream.

Parameters:

proxy - the InputStream to delegate to

Method Details

getSeekable

public org.apache.hadoop.fs.Seekable getSeekable()

Specified by:

getSeekable in interface SeekableDecorator

position

public long position()

Specified by:

position in interface HasPosition

position

public void position(long pos)

Specified by:

position in interface HasPosition

read

public int read(long position,
 byte[] buffer,
 int offset,
 int length)
         throws IOException

Specified by:

read in interface org.apache.hadoop.fs.PositionedReadable

Throws:

IOException

readFully

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

Specified by:

readFully in interface org.apache.hadoop.fs.PositionedReadable

Throws:

IOException

readFully

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

Specified by:

readFully in interface org.apache.hadoop.fs.PositionedReadable

Throws:

IOException