/*
* Copyright 2004-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.webflow.engine.model;
/**
* Model support for persistence context elements.
* <p>
* Allocates a persistence context when this flow starts. The persistence context is closed when the flow ends. If the
* flow ends by reaching a "commit" end-state, changes made to managed persistent entities during the course of flow
* execution are flushed to the database in a transaction.
* <p>
* The persistence context can be referenced from within this flow by the "entityManager" variable.
*
* @author Scott Andrews
*/
public class PersistenceContextModel extends AbstractModel {
/**
* Create a persistence context model
*/
public PersistenceContextModel() {
}
public boolean isMergeableWith(Model model) {
return false;
}
public void merge(Model model) {
}
public Model createCopy() {
return new PersistenceContextModel();
}
}