org.apache.jena.dboe.base.block

Class BlockMgrBase

java.lang.Object

org.apache.jena.dboe.base.block.BlockMgrBase

All Implemented Interfaces:

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

Direct Known Subclasses:

BlockMgrFileAccess

public abstract class BlockMgrBase
extends Object
implements BlockMgr

Method Summary

Modifier and Type	Method and Description
Block	allocate(int blkSize) Allocate an uninitialized block - writable - call only inside a update sequence.
void	beginRead() Start of read
void	beginUpdate() Start of update
void	endRead() Completion of read
void	endUpdate() Completion of update
String	getLabel()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.dboe.base.block.BlockMgr

allocLimit, close, free, getRead, getWrite, isClosed, isEmpty, overwrite, promote, release, resetAlloc, sync, syncForce, valid, write

Method Detail

allocate

public final Block allocate(int blkSize)

Description copied from interface: BlockMgr

Allocate an uninitialized block - writable - call only inside a update sequence. If blockSize is -1, means "default/fixed size" for this BlockMgr

Specified by:

allocate in interface BlockMgr

getLabel

public final String getLabel()

Specified by:

getLabel in interface BlockMgr

endUpdate

public void endUpdate()

Description copied from interface: BlockMgr

Completion of update

Specified by:

endUpdate in interface BlockMgr

beginUpdate

public void beginUpdate()

Description copied from interface: BlockMgr

Start of update

Specified by:

beginUpdate in interface BlockMgr

beginRead

public void beginRead()

Description copied from interface: BlockMgr

Start of read

Specified by:

beginRead in interface BlockMgr

endRead

public void endRead()

Description copied from interface: BlockMgr

Completion of read

Specified by:

endRead in interface BlockMgr