contactdetachablemodel.java

来自「Wicket一个开发Java Web应用程序框架。它使得开发web应用程序变得容」· Java 代码 · 共 53 行

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.wicket.spring.common.web;

import org.apache.wicket.model.LoadableDetachableModel;

import org.apache.wicket.spring.common.Contact;
import org.apache.wicket.spring.common.ContactDao;

/**
 * Base class for contact detachable models. This class implements all necessary logic except
 * retrieval of the dao object, this way we can isolate that logic in our example implementations.
 * 
 * @author Igor Vaynberg (ivaynberg)
 * 
 */
public abstract class ContactDetachableModel extends LoadableDetachableModel
{

	private long id;

	/**
	 * @param contact
	 */
	public ContactDetachableModel(Contact contact)
	{
		super(contact);
		this.id = contact.getId();
	}

	protected abstract ContactDao getContactDao();

	@Override
	protected Contact load()
	{
		return getContactDao().get(id);
	}
}