Package org.fcrepo.migration.handlers.ocfl

Class ArchiveGroupHandler

java.lang.Object

org.fcrepo.migration.handlers.ocfl.ArchiveGroupHandler

All Implemented Interfaces:

FedoraObjectVersionHandler

public class ArchiveGroupHandler
extends Object
implements FedoraObjectVersionHandler

Writes a Fedora object as a single ArchiveGroup.

All datastreams and object metadata from a fcrepo3 object are persisted to a single OCFL object (ArchiveGroup in fcrepo6 parlance).

The contents of each datastream are written verbatim. No attempt is made to re-write the RELS-EXT to replace subjects and objects with their LDP counterparts.

Note: fedora-specific OCFL serialization features (such as redirects, container metadata, etc) is not fully defined yet, so are not included here

Author:

apb@jhu.edu

Constructor Summary

Constructors

Constructor	Description
ArchiveGroupHandler(org.fcrepo.storage.ocfl.OcflObjectSessionFactory sessionFactory, MigrationType migrationType, ResourceMigrationType resourceMigrationType, boolean addDatastreamExtensions, boolean deleteInactive, boolean foxmlFile, String user, String idPrefix, boolean headOnly, boolean disableChecksumValidation, boolean disableDc)	Create an ArchiveGroupHandler,

Method Summary

Modifier and Type	Method	Description
void	processObjectVersions(Iterable<ObjectVersionReference> versions, ObjectInfo objectInfo)	Invoked to process a version of a Fedora 3 object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArchiveGroupHandler

public ArchiveGroupHandler(org.fcrepo.storage.ocfl.OcflObjectSessionFactory sessionFactory,
                           MigrationType migrationType,
                           ResourceMigrationType resourceMigrationType,
                           boolean addDatastreamExtensions,
                           boolean deleteInactive,
                           boolean foxmlFile,
                           String user,
                           String idPrefix,
                           boolean headOnly,
                           boolean disableChecksumValidation,
                           boolean disableDc)

Create an ArchiveGroupHandler,

Parameters:

sessionFactory - OCFL session factory

migrationType - the type of migration to do

resourceMigrationType - how resources should be migrated

addDatastreamExtensions - true if datastreams should be written with file extensions

deleteInactive - true if inactive objects and datastreams should be migrated as deleted

foxmlFile - true if foxml file should be migrated as a whole file, instead of creating property files

user - the username to associated with the migrated resources

idPrefix - the prefix to add to the Fedora 3 pid (default "info:fedora/", like Fedora 3)

headOnly - flag to enable head only migrations

disableChecksumValidation - disable Checksum validation

disableDc - true if DC datastreams should not be migrated to RDF object properties

Method Detail

processObjectVersions

public void processObjectVersions(Iterable<ObjectVersionReference> versions,
                                  ObjectInfo objectInfo)

Description copied from interface: FedoraObjectVersionHandler

Invoked to process a version of a Fedora 3 object. All the metadata and content that changed from the previous version to the one represented by the current call is conventiently made available.

Specified by:

processObjectVersions in interface FedoraObjectVersionHandler

Parameters:

versions - an iterable of Objects each encapsulating everything about a single version of a Fedora 3 object.

objectInfo - information about the Fedora 3 object being processed