com.xpn.xwiki.store.migration.hibernate

Class R40000XWIKI6990DataMigration

java.lang.Object

com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration

com.xpn.xwiki.store.migration.hibernate.R40000XWIKI6990DataMigration

All Implemented Interfaces:

DataMigration, HibernateDataMigration

@Component
 @Named(value="R40000XWIKI6990")
 @Singleton
public class R40000XWIKI6990DataMigration
extends AbstractHibernateDataMigration

Migration for XWIKI-6990 Reduce the likelihood of having same (hibernate) document id for different documents. This data migration convert document ID to a new hash algorithm.

Since:

4.0M1

Version:

$Id: 2c8e0df7a41e34c9602b63fda7c8d725aca27a1f $

Field Summary

Fields inherited from class com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration

componentManager, manager

Constructor Summary

Constructors

Constructor and Description
R40000XWIKI6990DataMigration()

Method Summary

Modifier and Type	Method and Description
String	getDescription()
String	getLiquibaseChangeLog()
XWikiDBVersion	getVersion()
void	hibernateMigrate() Execute the migration itself.

Methods inherited from class com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration

getCurrentDBVersion, getName, getPreHibernateLiquibaseChangeLog, getStore, getXWikiContext, migrate, shouldExecute

Methods inherited from class java.lang.Object

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

Constructor Detail

R40000XWIKI6990DataMigration

public R40000XWIKI6990DataMigration()

Method Detail

getDescription

public String getDescription()

Returns:

a description of what the data migration does

getVersion

public XWikiDBVersion getVersion()

Returns:

data version which need migration. before you commit stuff which needs migration, you need write data migration with version = current release number (i.e 32000 for release 3.2).

hibernateMigrate

public void hibernateMigrate()
                      throws DataMigrationException,
                             XWikiException

Description copied from class: AbstractHibernateDataMigration

Execute the migration itself.

Specified by:

hibernateMigrate in class AbstractHibernateDataMigration

Throws:

DataMigrationException - on migration error.

XWikiException - on error from the store.

getLiquibaseChangeLog

public String getLiquibaseChangeLog()
                             throws DataMigrationException

Specified by:

getLiquibaseChangeLog in interface HibernateDataMigration

Overrides:

getLiquibaseChangeLog in class AbstractHibernateDataMigration

Returns:

some liquibase changelogs for refactoring the database after the hibernate schema update has been processed

Throws:

DataMigrationException - on error