Module org.apache.jena.tdb

Package org.apache.jena.tdb1.base.file

Class BlockAccessBase

java.lang.Object

org.apache.jena.tdb1.base.file.BlockAccessBase

All Implemented Interfaces:

org.apache.jena.atlas.lib.Closeable, org.apache.jena.atlas.lib.Sync, BlockAccess

Direct Known Subclasses:

BlockAccessDirect, BlockAccessMapped

public abstract class BlockAccessBase
extends Object
implements BlockAccess

Support for a disk file backed FileAccess

Constructor Summary

Constructors

Constructor	Description
BlockAccessBase(String filename, int blockSize)

Method Summary

Modifier and Type	Method	Description
final void	close()
String	getLabel()
final boolean	isClosed()
final boolean	isEmpty()
final boolean	valid(long id)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.tdb1.base.file.BlockAccess

allocate, overwrite, read, write

Methods inherited from interface org.apache.jena.atlas.lib.Sync

sync

Constructor Details

BlockAccessBase

public BlockAccessBase(String filename,
 int blockSize)

Method Details

isEmpty

public final boolean isEmpty()

Specified by:

isEmpty in interface BlockAccess

valid

public final boolean valid(long id)

Specified by:

valid in interface BlockAccess

isClosed

public final boolean isClosed()

close

public final void close()

Specified by:

close in interface org.apache.jena.atlas.lib.Closeable

getLabel

public String getLabel()

Specified by:

getLabel in interface BlockAccess