org.aksw.jena_sparql_api.io.binseach.bz2

Class BlockSourceBzip2

java.lang.Object

org.aksw.jena_sparql_api.io.binseach.bz2.BlockSourceBzip2

All Implemented Interfaces:

BlockSource

public class BlockSourceBzip2
extends Object
implements BlockSource

Field Summary

Fields

Modifier and Type	Field and Description
protected com.google.common.cache.Cache<Long,Reference<Block>>	blockCache
static Pattern	bwdMagicPattern
static Pattern	fwdMagicPattern
static String	magicStr
protected SeekableSource	seekableSource

Constructor Summary

Constructors

Constructor and Description
BlockSourceBzip2(SeekableSource seekableSource, MatcherFactory fwdBlockStartMatcherFactory, MatcherFactory bwdBlockStartMatcherFactory)

Method Summary

Modifier and Type	Method and Description
Reference<Block>	cache(long blockStart, Seekable seekable)
Reference<Block>	contentAtOrAfter(long requestPos, boolean inclusive)
Reference<Block>	contentAtOrBefore(long requestPos, boolean inclusive)
static BlockSource	create(SeekableSource seekableSource)
long	getSizeOfBlock(long pos)
boolean	hasBlockAfter(long pos)
boolean	hasBlockBefore(long pos)
protected Reference<Block>	loadBlock(Seekable seekable)
long	size()

Methods inherited from class java.lang.Object

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

Field Detail

magicStr

public static final String magicStr

See Also:

Constant Field Values

fwdMagicPattern

public static final Pattern fwdMagicPattern

bwdMagicPattern

public static final Pattern bwdMagicPattern

seekableSource

protected SeekableSource seekableSource

blockCache

protected com.google.common.cache.Cache<Long,Reference<Block>> blockCache

Constructor Detail

BlockSourceBzip2

public BlockSourceBzip2(SeekableSource seekableSource,
                        MatcherFactory fwdBlockStartMatcherFactory,
                        MatcherFactory bwdBlockStartMatcherFactory)

Method Detail

create

public static BlockSource create(SeekableSource seekableSource)

loadBlock

protected Reference<Block> loadBlock(Seekable seekable)
                              throws IOException

Throws:

IOException

contentAtOrBefore

public Reference<Block> contentAtOrBefore(long requestPos,
                                          boolean inclusive)
                                   throws IOException

Specified by:

contentAtOrBefore in interface BlockSource

Throws:

IOException

cache

public Reference<Block> cache(long blockStart,
                              Seekable seekable)
                       throws IOException

Throws:

IOException

contentAtOrAfter

public Reference<Block> contentAtOrAfter(long requestPos,
                                         boolean inclusive)
                                  throws IOException

Specified by:

contentAtOrAfter in interface BlockSource

Throws:

IOException

getSizeOfBlock

public long getSizeOfBlock(long pos)
                    throws IOException

Specified by:

getSizeOfBlock in interface BlockSource

Throws:

IOException

hasBlockAfter

public boolean hasBlockAfter(long pos)
                      throws IOException

Specified by:

hasBlockAfter in interface BlockSource

Throws:

IOException

hasBlockBefore

public boolean hasBlockBefore(long pos)
                       throws IOException

Specified by:

hasBlockBefore in interface BlockSource

Throws:

IOException

size

public long size()
          throws IOException

Specified by:

size in interface BlockSource

Throws:

IOException