/*==========================================================================*\
| $Id: MigratingEditingContext.java,v 1.1 2011/12/25 02:24:54 stedwar2 Exp $
|*-------------------------------------------------------------------------*|
| Copyright (C) 2006-2011 Virginia Tech
|
| This file is part of Web-CAT.
|
| Web-CAT is free software; you can redistribute it and/or modify
| it under the terms of the GNU Affero General Public License as published
| by the Free Software Foundation; either version 3 of the License, or
| (at your option) any later version.
|
| Web-CAT is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU Affero General Public License
| along with Web-CAT; if not, see <http://www.gnu.org/licenses/>.
\*==========================================================================*/
package org.webcat.woextensions;
import com.webobjects.eocontrol.EOEditingContext;
import com.webobjects.eocontrol.EOObjectStore;
//-------------------------------------------------------------------------
/**
* An editing context that is used to handle migration of attribute values in
* EOs at the beginning of their life cycle. This class does not actually
* contain any new functionality of its own; it acts merely as an "instanceof"
* check to prevent an infinite loop in the EO's awake* methods when the object
* has to be loaded into a child context for migration.
*
* @author Tony Allevato
* @author Last changed by $Author: stedwar2 $
* @version $Revision: 1.1 $, $Date: 2011/12/25 02:24:54 $
*/
public class MigratingEditingContext
extends WCEC
{
//~ Constructor ...........................................................
// ----------------------------------------------------------
public MigratingEditingContext(EOObjectStore store)
{
super(store);
}
// ----------------------------------------------------------
/**
* Creates a new peer editing context, typically used to make
* changes outside of a session's editing context.
* @return the new editing context
*/
public static MigratingEditingContext newEditingContext()
{
return (MigratingEditingContext)factory()._newEditingContext();
}
// ----------------------------------------------------------
public static class MigratingFactory
extends WCECFactory
{
protected EOEditingContext _createEditingContext(EOObjectStore parent)
{
return new MigratingEditingContext(parent == null
? EOEditingContext.defaultParentObjectStore()
: parent);
}
public EOEditingContext _newEditingContext(
EOObjectStore objectStore, boolean validationEnabled)
{
EOEditingContext result =
super._newEditingContext(objectStore, validationEnabled);
result.setSharedEditingContext(null);
return result;
}
}
// ----------------------------------------------------------
public static Factory factory() {
if (factory == null) {
factory = new MigratingFactory();
}
return factory;
}
//~ Static/instance variables .............................................
private static Factory factory;
}