Package org.nuiton.topia.migration

Class TopiaMigrationCallbackByClassNG

java.lang.Object

org.nuiton.topia.migration.AbstractTopiaMigrationCallback

org.nuiton.topia.migration.TopiaMigrationCallbackByClassNG

public abstract class TopiaMigrationCallbackByClassNG
extends AbstractTopiaMigrationCallback

Migration callback which use a different class for each version to migrate. You must fill in the constructor the mapping for each version of getAvailableVersions() a matching migrator for version which extends TopiaMigrationCallbackByClassNG.MigrationCallBackForVersion. Use the callback when you have a lot of version to migrate and the TopiaMigrationCallbackByMethod begins to be messy.

Since:

2.9.11

Version:

$Id$

Author:

tchemit <chemit@codelutin.com>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TopiaMigrationCallbackByClassNG.MigrationCallBackForVersion	Call back for a given version.
static interface	TopiaMigrationCallbackByClassNG.MigrationCallBackForVersionResolver	Resolver to obtain the correct migration class for a given version.
static class	TopiaMigrationCallbackByClassNG.MigrationCallBackForVersionResolverByServiceLoader	A simple call back resolver via a service loader.

Field Summary

Fields

Modifier and Type	Field	Description
protected TopiaMigrationCallbackByClassNG.MigrationCallBackForVersionResolver	callBackResolver

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TopiaMigrationCallbackByClassNG(TopiaMigrationCallbackByClassNG.MigrationCallBackForVersionResolver callBackResolver)

Method Summary

Modifier and Type	Method	Description
org.nuiton.version.Version[]	getAvailableVersions()
protected void	migrateForVersion(org.nuiton.version.Version version, TopiaContextImplementor tx, boolean showSql, boolean showProgression)

Methods inherited from class org.nuiton.topia.migration.AbstractTopiaMigrationCallback

askUser, doMigration, executeSQL, executeSQL, getApplicationVersion, setTmsVersionPersister

Methods inherited from class java.lang.Object

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

Field Details

callBackResolver

protected TopiaMigrationCallbackByClassNG.MigrationCallBackForVersionResolver callBackResolver

Constructor Details

TopiaMigrationCallbackByClassNG

protected TopiaMigrationCallbackByClassNG(TopiaMigrationCallbackByClassNG.MigrationCallBackForVersionResolver callBackResolver)

Method Details

getAvailableVersions

public org.nuiton.version.Version[] getAvailableVersions()

Specified by:

getAvailableVersions in class AbstractTopiaMigrationCallback

Returns:

the available versions from the call back

migrateForVersion

protected void migrateForVersion(org.nuiton.version.Version version,
 TopiaContextImplementor tx,
 boolean showSql,
 boolean showProgression)
                          throws Exception

Specified by:

migrateForVersion in class AbstractTopiaMigrationCallback

Throws:

Exception