com.bigdata.bfs

Class BlobOverflowHandler

java.lang.Object

com.bigdata.bfs.BlobOverflowHandler

All Implemented Interfaces:

IOverflowHandler, Serializable

public class BlobOverflowHandler
extends Object
implements IOverflowHandler

Copies blocks onto the target store during overflow handling. Blocks that are no longer referenced by the file data index will be left behind on the journal and eventually discarded with the journal.

Version:

$Id$

Author:

Bryan Thompson

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BlobOverflowHandler() De-serialization constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Notified when overflow processing is done for a given source and target.
byte[]	handle(ITuple tuple, IRawStore target) Invoked for each index entry.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlobOverflowHandler

public BlobOverflowHandler()

De-serialization constructor.

Method Detail

close

public void close()

Description copied from interface: IOverflowHandler

Notified when overflow processing is done for a given source and target.

Specified by:

close in interface IOverflowHandler

handle

public byte[] handle(ITuple tuple,
            IRawStore target)

Description copied from interface: IOverflowHandler

Invoked for each index entry.

Specified by:

handle in interface IOverflowHandler

Parameters:

tuple - The index entry.

target - The target store on which you can write additional data.

Returns:

The new value to be stored under the key in the generated IndexSegment.