Package com.xpn.xwiki.store.migration

Interface DataMigrationManager

All Known Implementing Classes:

AbstractDataMigrationManager, HibernateDataMigrationManager

@Role
public interface DataMigrationManager

Interface for all migration managers.

Since:

3.4M1

Version:

$Id: b631d077d8c9aebdd6474e9ada8d51aa59b76a56 $

Method Summary

Modifier and Type	Method	Description
void	checkDatabase()	Check current database version and proceed to migrations.
DataMigrationStatus	getDataMigrationStatus()
XWikiDBVersion	getDBVersion()
XWikiDBVersion	getLatestVersion()
void	initNewDB()	Setup the schema of a new DB and set it to the latest version (not running migrations).

Method Detail

getDBVersion

XWikiDBVersion getDBVersion()
                     throws DataMigrationException

Returns:

current DB version or null for a new database

Throws:

DataMigrationException - if any error

xwiki.cfg configuration:

xwiki.store.migration.version - override data version

getDataMigrationStatus

DataMigrationStatus getDataMigrationStatus()
                                    throws DataMigrationException

Returns:

current DB migration status or null for a new database

Throws:

DataMigrationException - if any error

Since:

4.4.1

checkDatabase

void checkDatabase()
            throws MigrationRequiredException,
                   DataMigrationException

Check current database version and proceed to migrations. Migration is processed only once, and depends on the following configuration:

Throws:

MigrationRequiredException - when version is incompatible with current version

DataMigrationException - when an error occurs during check.

xwiki.cfg configuration:

xwiki.store.migration - 1 to enable migration, default to 0, xwiki.store.migration.databases - list of database to migrate, default to all, xwiki.store.migration.forced - force run selected migrations, xwiki.store.migration.ignored - ignore selected migrations, xwiki.store.migration.exitAfterEnd - 1 to exit at the end of migrations, default to 0

getLatestVersion

XWikiDBVersion getLatestVersion()

Returns:

latest DB version

Since:

3.4M1

initNewDB

void initNewDB()
        throws DataMigrationException

Setup the schema of a new DB and set it to the latest version (not running migrations). This should be used on a newly created DB only

Throws:

DataMigrationException - if any error

Since:

3.4M1