Java tutorial
/* * 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 com.glaf.apps.message.service.impl; import java.util.Date; import java.util.List; import org.apache.ibatis.session.RowBounds; import org.mybatis.spring.SqlSessionTemplate; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import com.glaf.apps.message.domain.WxMessage; import com.glaf.apps.message.mapper.WxMessageMapper; import com.glaf.apps.message.query.WxMessageQuery; import com.glaf.apps.message.service.WxMessageService; import com.glaf.core.dao.EntityDAO; import com.glaf.core.id.IdGenerator; @Service("wxMessageService") @Transactional(readOnly = true) public class WxMessageServiceImpl implements WxMessageService { protected final Logger logger = LoggerFactory.getLogger(getClass()); protected EntityDAO entityDAO; protected IdGenerator idGenerator; protected SqlSessionTemplate sqlSessionTemplate; protected WxMessageMapper wxMessageMapper; public WxMessageServiceImpl() { } public int count(WxMessageQuery query) { query.ensureInitialized(); return wxMessageMapper.getWxMessageCount(query); } @Transactional public void deleteById(Long id) { if (id != null) { wxMessageMapper.deleteWxMessageById(id); } } @Transactional public void deleteByIds(List<Long> ids) { if (ids != null && !ids.isEmpty()) { for (Long id : ids) { wxMessageMapper.deleteWxMessageById(id); } } } public WxMessage getWxMessage(Long id) { if (id == null) { return null; } WxMessage wxMessage = wxMessageMapper.getWxMessageById(id); return wxMessage; } public int getWxMessageCountByQueryCriteria(WxMessageQuery query) { return wxMessageMapper.getWxMessageCount(query); } public List<WxMessage> getWxMessagesByQueryCriteria(int start, int pageSize, WxMessageQuery query) { RowBounds rowBounds = new RowBounds(start, pageSize); List<WxMessage> rows = sqlSessionTemplate.selectList("getWxMessages", query, rowBounds); return rows; } public List<WxMessage> list(WxMessageQuery query) { query.ensureInitialized(); List<WxMessage> list = wxMessageMapper.getWxMessages(query); return list; } @Transactional public void save(WxMessage wxMessage) { if (wxMessage.getId() == 0) { wxMessage.setId(idGenerator.nextId()); wxMessage.setCreateDate(new Date()); wxMessageMapper.insertWxMessage(wxMessage); } else { wxMessage.setLastUpdateDate(new Date()); wxMessageMapper.updateWxMessage(wxMessage); } } @javax.annotation.Resource public void setEntityDAO(EntityDAO entityDAO) { this.entityDAO = entityDAO; } @javax.annotation.Resource public void setIdGenerator(IdGenerator idGenerator) { this.idGenerator = idGenerator; } @javax.annotation.Resource public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) { this.sqlSessionTemplate = sqlSessionTemplate; } @javax.annotation.Resource public void setWxMessageMapper(WxMessageMapper wxMessageMapper) { this.wxMessageMapper = wxMessageMapper; } }