LegacyDataMigration (XWiki Platform - Old Core 14.10.19 API)

java.lang.Object
- com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration
- - com.xpn.xwiki.store.migration.hibernate.LegacyDataMigration

All Implemented Interfaces:

DataMigration, HibernateDataMigration
```
@Component
@Named("Legacy")
@Singleton
public class LegacyDataMigration
extends AbstractHibernateDataMigration
```
Migration for XWIKI4396: Duplicate document ID. This dataMigration change document ID to use the new improved hash algorithm.

Since:

3.4M1

Version:

$Id: e13789f72b1ed8f3e7fd1133f158cf65fa798592 $

Field Summary
- Fields inherited from class com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration
  componentManager, manager

Constructor Summary

Constructors
Constructor Description

LegacyDataMigration()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getDescription()`
`XWikiDBVersion`	`getVersion()`
`void`	`hibernateMigrate()`	Execute the migration itself.

Methods inherited from class com.xpn.xwiki.store.migration.hibernate.AbstractHibernateDataMigration
getCurrentDBVersion, getLiquibaseChangeLog, 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
  - LegacyDataMigration
```
public LegacyDataMigration()
```
- 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.