Package org.fcrepo.migration.handlers

Class ObjectAbstractionStreamingFedoraObjectHandler

java.lang.Object

org.fcrepo.migration.handlers.ObjectAbstractionStreamingFedoraObjectHandler

All Implemented Interfaces:

StreamingFedoraObjectHandler

public class ObjectAbstractionStreamingFedoraObjectHandler
extends Object
implements StreamingFedoraObjectHandler

A StreamingFedoraObjectHandler implementation that caches all the references to the Fedora 3 object and provides them to a FedoraObjectHandler implementation which in turn can process the object as a whole in a random-access fashion rather than as a stream.

Author:

mdurbin

Constructor Summary

Constructors

Constructor	Description
ObjectAbstractionStreamingFedoraObjectHandler(FedoraObjectHandler objectHandler)	the object abstraction streaming fedora object handler.

Method Summary

Modifier and Type	Method	Description
void	abortObject(ObjectInfo object)	Invoked if processing of the object failed for some reason.
void	beginObject(ObjectInfo object)	begin object.
void	completeObject(ObjectInfo object)	A hook called after the object has been completely processed.
void	processDatastreamVersion(DatastreamVersion dsVersion)	Invoked to allow processing of a datastream by this StreamingFedoraObjectHandler.
void	processDisseminator()	Invoked when a "disseminator" element is found in the object (Fedora 2 objects only).
void	processObjectProperties(ObjectProperties properties)	Invoked to allow processing of properties by this StreamingFedoraObjectHandler.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectAbstractionStreamingFedoraObjectHandler

public ObjectAbstractionStreamingFedoraObjectHandler(FedoraObjectHandler objectHandler)

the object abstraction streaming fedora object handler.

Parameters:

objectHandler - the fedora object handler

Method Detail

beginObject

public void beginObject(ObjectInfo object)

Description copied from interface: StreamingFedoraObjectHandler

begin object.

Specified by:

beginObject in interface StreamingFedoraObjectHandler

Parameters:

object - the object info

processObjectProperties

public void processObjectProperties(ObjectProperties properties)

Description copied from interface: StreamingFedoraObjectHandler

Invoked to allow processing of properties by this StreamingFedoraObjectHandler.

Specified by:

processObjectProperties in interface StreamingFedoraObjectHandler

Parameters:

properties - the properties for the object

processDatastreamVersion

public void processDatastreamVersion(DatastreamVersion dsVersion)

Description copied from interface: StreamingFedoraObjectHandler

Invoked to allow processing of a datastream by this StreamingFedoraObjectHandler.

Specified by:

processDatastreamVersion in interface StreamingFedoraObjectHandler

Parameters:

dsVersion - an encapsulation of the datastream version. References to this object must not be used after completeObject() or abortObject() have completed as the resources exposed may no longer be available.

processDisseminator

public void processDisseminator()

Description copied from interface: StreamingFedoraObjectHandler

Invoked when a "disseminator" element is found in the object (Fedora 2 objects only).

Specified by:

processDisseminator in interface StreamingFedoraObjectHandler

completeObject

public void completeObject(ObjectInfo object)

Description copied from interface: StreamingFedoraObjectHandler

A hook called after the object has been completely processed. This may be useful for any cleanup or finalization routines. Furthermore, once this method invocation is complete, any references provided to prior calls will no longer be in scope.

Specified by:

completeObject in interface StreamingFedoraObjectHandler

Parameters:

object - to be completed.

abortObject

public void abortObject(ObjectInfo object)

Description copied from interface: StreamingFedoraObjectHandler

Invoked if processing of the object failed for some reason.

Specified by:

abortObject in interface StreamingFedoraObjectHandler

Parameters:

object - to be aborted.