Package org.mycore.datamodel.ifs2

Class MCRMetadataVersion

java.lang.Object

org.mycore.datamodel.common.MCRAbstractMetadataVersion<MCRVersionedMetadata>

org.mycore.datamodel.ifs2.MCRMetadataVersion

public class MCRMetadataVersion
extends MCRAbstractMetadataVersion<MCRVersionedMetadata>

Provides information about a stored version of metadata and allows to retrieve that version from SVN

Author:

Frank Lützenkirchen

Nested Class Summary

Nested classes/interfaces inherited from class org.mycore.datamodel.common.MCRAbstractMetadataVersion

MCRAbstractMetadataVersion.Type

Field Summary

Fields inherited from class org.mycore.datamodel.common.MCRAbstractMetadataVersion

CREATED, date, DELETED, revision, type, UPDATED, user, vm

Constructor Summary

Constructors

Constructor	Description
MCRMetadataVersion(MCRVersionedMetadata vm, String revision, String user, Date date, char type)

Method Summary

Modifier and Type	Method	Description
void	restore()	Replaces the current version of the metadata object with this version, which means that a new version is created that is identical to this old version.
MCRContent	retrieve()	Retrieves this version of the metadata

Methods inherited from class org.mycore.datamodel.common.MCRAbstractMetadataVersion

getDate, getMetadataObject, getRevision, getType, getUser

Methods inherited from class java.lang.Object

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

Constructor Details

MCRMetadataVersion

public MCRMetadataVersion(MCRVersionedMetadata vm,
 String revision,
 String user,
 Date date,
 char type)

Method Details

retrieve

public MCRContent retrieve()
                    throws IOException

Retrieves this version of the metadata

Specified by:

retrieve in class MCRAbstractMetadataVersion<MCRVersionedMetadata>

Returns:

the metadata document as it was in this version

Throws:

MCRUsageException - if this is a deleted version, which can not be retrieved

IOException

restore

public void restore()
             throws IOException,
JDOMException

Replaces the current version of the metadata object with this version, which means that a new version is created that is identical to this old version. The stored metadata document is updated to this old version of the metadata.

Specified by:

restore in class MCRAbstractMetadataVersion<MCRVersionedMetadata>

Throws:

IOException

JDOMException