Package org.aksw.commons.io.input

Class CharSequenceOverSeekableReadableChannelOfBytes

java.lang.Object

org.aksw.commons.io.input.CharSequenceOverSeekableReadableChannelOfBytes

All Implemented Interfaces:

CharSequence, org.aksw.commons.util.range.PageHelper

public class CharSequenceOverSeekableReadableChannelOfBytes
extends Object
implements CharSequence, org.aksw.commons.util.range.PageHelper

Field Summary

Fields

Modifier and Type	Field	Description
protected com.google.common.cache.LoadingCache<Long,byte[]>	cache
protected int	length
protected int	pageSize
protected byte[]	recentBuffer
protected int	recentOffset
protected SeekableReadableChannel<byte[]>	seekable

Constructor Summary

Constructors

Constructor	Description
CharSequenceOverSeekableReadableChannelOfBytes(SeekableReadableChannel<byte[]> seekable)
CharSequenceOverSeekableReadableChannelOfBytes(SeekableReadableChannel<byte[]> seekable, int length)

Method Summary

Modifier and Type	Method	Description
char	charAt(int index)
protected byte[]	getBufferForPageId(long pageId)
long	getPageSize()
int	length()
protected byte[]	loadPage(long pageId)
CharSequence	subSequence(int start, int end)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.CharSequence

chars, codePoints, isEmpty, toString

Methods inherited from interface org.aksw.commons.util.range.PageHelper

getIndexInPageForOffset, getPageIdForOffset, getPageOffsetForPageId

Field Details

seekable

protected SeekableReadableChannel<byte[]> seekable

length

protected int length

pageSize

protected int pageSize

cache

protected com.google.common.cache.LoadingCache<Long,byte[]> cache

recentOffset

protected int recentOffset

recentBuffer

protected byte[] recentBuffer

Constructor Details

CharSequenceOverSeekableReadableChannelOfBytes

public CharSequenceOverSeekableReadableChannelOfBytes(SeekableReadableChannel<byte[]> seekable)

CharSequenceOverSeekableReadableChannelOfBytes

public CharSequenceOverSeekableReadableChannelOfBytes(SeekableReadableChannel<byte[]> seekable,
 int length)

Method Details

getPageSize

public long getPageSize()

Specified by:

getPageSize in interface org.aksw.commons.util.range.PageHelper

loadPage

protected byte[] loadPage(long pageId)
                   throws IOException

Throws:

IOException

getBufferForPageId

protected byte[] getBufferForPageId(long pageId)

length

public int length()

Specified by:

length in interface CharSequence

charAt

public char charAt(int index)

Specified by:

charAt in interface CharSequence

subSequence

public CharSequence subSequence(int start,
 int end)

Specified by:

subSequence in interface CharSequence