/*
 * Copyright 2003-2005 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 sample.service;

import sample.model.Message;

import com.jdon.controller.events.EventModel;
import com.jdon.controller.model.PageIterator;

/**
 * @author <a href="mailto:banqiao@jdon.com">banq</a>
 *
 */
public interface MessageService {
    
    /**
     * jdonframework.xml 
     * <createMethod name="createMessage" />
     */
    public void createMessage(EventModel em);

    /**
     * jdonframework.xml 
     * <updateMethod name="updateMessage" />
     */
    public void updateMessage(EventModel em);

    /**
     * jdonframework.xml 
     * <deleteMethod name="deleteMessage" />
     */
    public void deleteMessage(EventModel em);

    /**
     * jdonframework.xml 
     * <getMethod name="getMessage" />
     * 
     * and for batch inquiry 
     */
    public Message getMessage(String messageId);

    /**
     * for batch inquiry 
     * @return
     */
    public PageIterator getAllMessages(int start, int count);
    
    /**
     * for the command pattern of service invoke
     *  
     */
    public void xxxxx(EventModel em);
    

}