Package org.dspace.checker

Class CheckerConsumer

java.lang.Object

org.dspace.checker.CheckerConsumer

All Implemented Interfaces:

Consumer

public class CheckerConsumer
extends Object
implements Consumer

Class for removing Checker data for a Bitstreams based on deletion events.

Version:

$Revision$

Field Summary

Fields

Modifier and Type	Field	Description
protected BitstreamService	bitstreamService
protected ChecksumHistoryService	checksumHistoryService

Constructor Summary

Constructors

Constructor	Description
CheckerConsumer()

Method Summary

Modifier and Type	Method	Description
void	consume(Context ctx, Event event)	Consume an event
void	end(Context ctx)	Signal that there are no more events queued in this event stream.
void	finish(Context ctx)	Finish - free any allocated resources.
void	initialize()	Initialize - allocate any resources required to operate.

Methods inherited from class java.lang.Object

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

Field Details

checksumHistoryService

protected ChecksumHistoryService checksumHistoryService

bitstreamService

protected BitstreamService bitstreamService

Constructor Details

CheckerConsumer

public CheckerConsumer()

Method Details

initialize

public void initialize()
                throws Exception

Initialize - allocate any resources required to operate. Called at the start of ANY sequence of event consume() calls.

Specified by:

initialize in interface Consumer

Throws:

Exception - if error

consume

public void consume(Context ctx,
 Event event)
             throws Exception

Consume an event

Specified by:

consume in interface Consumer

Parameters:

ctx - the execution context object

event - the content event

Throws:

Exception - if error

end

public void end(Context ctx)
         throws Exception

Signal that there are no more events queued in this event stream.

Specified by:

end in interface Consumer

Parameters:

ctx - Context

Throws:

Exception - if error

finish

public void finish(Context ctx)
            throws Exception

Finish - free any allocated resources. Called when consumer is being released

Specified by:

finish in interface Consumer

Parameters:

ctx - Context

Throws:

Exception - if error