Package org.ametys.plugins.repository.migration.jcr

Class VersionsRootHelper

java.lang.Object

org.ametys.plugins.repository.migration.jcr.VersionsRootHelper

All Implemented Interfaces:

Component, Serviceable

public class VersionsRootHelper
extends Object
implements Component, Serviceable

A helper for the root versions object.

Field Summary

Fields

Modifier and Type	Field	Description
protected AmetysObjectResolver	_resolver	The Ametys object resolver
static final String	ROLE	Avalon Role

Constructor Summary

Constructors

Constructor	Description
VersionsRootHelper()

Method Summary

Modifier and Type	Method	Description
VersionsAmetysObject	getRootObject()	Get or create the root object to store versions.
boolean	hasKnownPlugins()	true if the repository has registered plugins.
boolean	hasRootObject()	true if the root object to store versions is present.
boolean	isAKnownPlugin(String plugin)	true if the repository has already been launched with this plugin before.
void	service(ServiceManager manager)
void	updateKnownPlugins()	Update the plugin names in the root versions object.

Methods inherited from class java.lang.Object

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

Field Details

ROLE

public static final String ROLE

Avalon Role

_resolver

protected AmetysObjectResolver _resolver

The Ametys object resolver

Constructor Details

VersionsRootHelper

public VersionsRootHelper()

Method Details

service

public void service(ServiceManager manager)
             throws ServiceException

Specified by:

service in interface Serviceable

Throws:

ServiceException

hasRootObject

public boolean hasRootObject()
                      throws AmetysRepositoryException

true if the root object to store versions is present. It's the node /ametys:versions.

Returns:

true if the root object to store versions is present, otherwise false.

Throws:

AmetysRepositoryException - if an error occurs

getRootObject

public VersionsAmetysObject getRootObject()
                                   throws AmetysRepositoryException

Get or create the root object to store versions. It's the node /ametys:versions.

Returns:

the root object to store versions

Throws:

AmetysRepositoryException - if an error occurs

hasKnownPlugins

public boolean hasKnownPlugins()

true if the repository has registered plugins. Read the attribute /ametys:versions/@ametys:knownPlugins.

Returns:

true if there is at least one registered plugin

isAKnownPlugin

public boolean isAKnownPlugin(String plugin)

true if the repository has already been launched with this plugin before. Read the attribute /ametys:versions/@ametys:knownPlugins.

Parameters:

plugin - the name of the plugin

Returns:

true if the plugin is already known

updateKnownPlugins

public void updateKnownPlugins()

Update the plugin names in the root versions object. Write the attribute /ametys:versions/@ametys:knownPlugins. Make sure not to "forget" plugins that are not here anymore, for example if we are in safe mode, there can be less plugins and that might cause problem if some extensions have failOnOldData.