| /* |
| * 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.openmeetings.data.chat; |
| |
| import java.util.Date; |
| import java.util.List; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.PersistenceContext; |
| |
| import org.apache.openmeetings.persistence.beans.chat.ChatMessage; |
| import org.springframework.transaction.annotation.Transactional; |
| |
| @Transactional |
| public class ChatDao { |
| @PersistenceContext |
| private EntityManager em; |
| |
| public ChatMessage get(long id) { |
| return em.createNamedQuery("getChatMessageById", ChatMessage.class) |
| .setParameter("id", id) |
| .getSingleResult(); |
| } |
| |
| //TODO additional methods should be added to get messages by external email |
| public List<ChatMessage> get(long userId, int start, int count) { |
| return em.createNamedQuery("getChatMessagesByUser", ChatMessage.class) |
| .setParameter("userId", userId) |
| .setFirstResult(start) |
| .setMaxResults(count) |
| .getResultList(); |
| } |
| |
| public List<ChatMessage> get(int start, int count) { |
| return em.createNamedQuery("getGlobalChatMessages", ChatMessage.class) |
| .setFirstResult(start) |
| .setMaxResults(count) |
| .getResultList(); |
| } |
| |
| public ChatMessage update(ChatMessage entity) { |
| entity.setSent(new Date()); |
| if (entity.getId() == 0) { |
| em.persist(entity); |
| } |
| return entity; |
| } |
| |
| public void delete(ChatMessage entity, long userId) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| } |