org.terrier.compression.integer

Class ByteFileBuffered

java.lang.Object

org.terrier.compression.integer.ByteFileBuffered

All Implemented Interfaces:

Closeable, AutoCloseable, ByteInSeekable

public class ByteFileBuffered
extends Object
implements ByteInSeekable

The bytewise counterpart of BitFileBuffered This class uses a "file pool", so pay attention to close unused resources

Since:

4.0

Author:

Matteo Catena

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ByteFileBuffered.BufferedFileByteIn

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.log4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
ByteFileBuffered(String filename) Constructs an instance of the class for a given filename.
ByteFileBuffered(String filename, int bufSize) Constructs an instance of the class for a given filename

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
ByteIn	readReset(long startByteOffset)
ByteIn	readReset(long startByteOffset, long endByteOffset)
void	reclaim(RandomDataInput file)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.apache.log4j.Logger logger

Constructor Detail

ByteFileBuffered

public ByteFileBuffered(String filename)

Constructs an instance of the class for a given filename. Default buffer size

Parameters:

filename - java.lang.String the name of the underlying file

ByteFileBuffered

public ByteFileBuffered(String filename,
                int bufSize)

Constructs an instance of the class for a given filename

Parameters:

filename - java.lang.String the name of the underlying file

bufSize - how much of the file to buffer

Method Detail

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

readReset

public ByteIn readReset(long startByteOffset,
               long endByteOffset)
                 throws IOException

Specified by:

readReset in interface ByteInSeekable

Throws:

IOException

readReset

public ByteIn readReset(long startByteOffset)
                 throws IOException

Specified by:

readReset in interface ByteInSeekable

Throws:

IOException

reclaim

public void reclaim(RandomDataInput file)