/*
 * Copyright 2005-2010 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.wamblee.wicket.behavior;

import javax.persistence.EntityManager;

import org.apache.wicket.markup.html.WebPage;

/**
 * Behavior to flush the entity manager after rendering of the page. 
 * 
 * @author Erik Brakkee
 *
 */
public class FlushEntityManagerBehavior extends AbstractPageBehavior {

    private EntityManager entityManager; 
    
    /**
     * Constructs the behavior. 
     * @param aEntityManager Contextual reference to an entitymanager.
     */
    public FlushEntityManagerBehavior(EntityManager aEntityManager) {
        entityManager = aEntityManager; 
    }
    
    @Override
    public void onAfterRender(WebPage aPage) {
        entityManager.flush();
    }

}