Package org.fcrepo.migration

Interface StreamingFedoraObjectHandler

All Known Implementing Classes:

ConsoleLoggingStreamingFedoraObjectHandler, ObjectAbstractionStreamingFedoraObjectHandler

public interface StreamingFedoraObjectHandler

An interface with methods that are meant to be invoked when processing a fedora 3 object such that every bit of information in that fedora 3 object is exposed to the instance implementing this interface. Instances of this class are expected to be used for a single fedora object, and method calls should not require implementations to maintain state.

Author:

mdurbin

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.

Method Detail

beginObject

void beginObject(ObjectInfo object)

begin object.

Parameters:

object - the object info

processObjectProperties

void processObjectProperties(ObjectProperties properties)

Invoked to allow processing of properties by this StreamingFedoraObjectHandler.

Parameters:

properties - the properties for the object

processDatastreamVersion

void processDatastreamVersion(DatastreamVersion dsVersion)

Invoked to allow processing of a datastream by this 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

void processDisseminator()

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

completeObject

void completeObject(ObjectInfo object)

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.

Parameters:

object - to be completed.

abortObject

void abortObject(ObjectInfo object)

Invoked if processing of the object failed for some reason.

Parameters:

object - to be aborted.