DROP TABLE IF EXISTS `tb_task`; CREATE TABLE `tb_task` ( `id` bigint(32) NOT NULL AUTO_INCREMENT COMMENT '任務id', `create_time` datetime DEFAULT NULL, `update_time` datetime DEFAULT NULL, `delete_time` datetime DEFAULT NULL, `task_type` varchar(32) DEFAULT NULL COMMENT '任務類型', `mq_exchange` varchar(64) DEFAULT NULL COMMENT '交換機名稱', `mq_routingkey` varchar(64) DEFAULT NULL COMMENT 'routingkey', `request_body` varchar(512) DEFAULT NULL COMMENT '任務請求的內容', `status` varchar(32) DEFAULT NULL COMMENT '任務狀態', `errormsg` varchar(512) DEFAULT NULL COMMENT '任務錯誤信息', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
DROP TABLE IF EXISTS `tb_task_his`; CREATE TABLE `tb_task_his` ( `id` bigint(32) NOT NULL AUTO_INCREMENT COMMENT '任務id', `create_time` datetime DEFAULT NULL, `update_time` datetime DEFAULT NULL, `delete_time` datetime DEFAULT NULL, `task_type` varchar(32) DEFAULT NULL COMMENT '任務類型', `mq_exchange` varchar(64) DEFAULT NULL COMMENT '交換機名稱', `mq_routingkey` varchar(64) DEFAULT NULL COMMENT 'routingkey', `request_body` varchar(512) DEFAULT NULL COMMENT '任務請求的內容', `status` varchar(32) DEFAULT NULL COMMENT '任務狀態', `errormsg` varchar(512) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8;
@Table(name="tb_task") public class Task { @Id private Long id; @Column(name = "create_time") private Date createTime; @Column(name = "update_time") private Date updateTime; @Column(name = "delete_time") private Date deleteTime; @Column(name = "task_type") private String taskType; @Column(name = "mq_exchange") private String mqExchange; @Column(name = "mq_routingkey") private String mqRoutingkey; @Column(name = "request_body") private String requestBody; @Column(name = "status") private String status; @Column(name = "errormsg") private String errormsg; //getter,setter略 }
@Table(name="tb_task_his") public class TaskHis { @Id private Long id; @Column(name = "create_time") private Date createTime; @Column(name = "update_time") private Date updateTime; @Column(name = "delete_time") private Date deleteTime; @Column(name = "task_type") private String taskType; @Column(name = "mq_exchange") private String mqExchange; @Column(name = "mq_routingkey") private String mqRoutingkey; @Column(name = "request_body") private String requestBody; @Column(name = "status") private String status; @Column(name = "errormsg") private String errormsg; //getter,setter略 }
DROP TABLE IF EXISTS `tb_point_log`; CREATE TABLE `tb_point_log` ( `order_id` varchar(200) NOT NULL, `user_id` varchar(200) NOT NULL, `point` int(11) NOT NULL, PRIMARY KEY (`order_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@Table(name="tb_point_log") public class PointLog { private String orderId; private String userId; private Integer point; //getter,setter略 }
@Configuration public class RabbitMQConfig { //添加積分任務交換機 public static final String EX_BUYING_ADDPOINTUSER = "ex_buying_addpointuser"; //添加積分消息隊列 public static final String CG_BUYING_ADDPOINT = "cg_buying_addpoint"; //完成添加積分消息隊列 public static final String CG_BUYING_FINISHADDPOINT = "cg_buying_finishaddpoint"; //添加積分路由key public static final String CG_BUYING_ADDPOINT_KEY = "addpoint"; //完成添加積分路由key public static final String CG_BUYING_FINISHADDPOINT_KEY = "finishaddpoint"; /** * 交換機配置 * @return the exchange */ @Bean(EX_BUYING_ADDPOINTUSER) public Exchange EX_BUYING_ADDPOINTUSER() { return ExchangeBuilder.directExchange(EX_BUYING_ADDPOINTUSER).durable(true).build(); } //聲明隊列 @Bean(CG_BUYING_FINISHADDPOINT) public Queue QUEUE_CG_BUYING_FINISHADDPOINT() { Queue queue = new Queue(CG_BUYING_FINISHADDPOINT); return queue; } //聲明隊列 @Bean(CG_BUYING_ADDPOINT) public Queue QUEUE_CG_BUYING_ADDPOINT() { Queue queue = new Queue(CG_BUYING_ADDPOINT); return queue; } /** * 綁定隊列到交換機 . * @param queue the queue * @param exchange the exchange * @return the binding */ @Bean public Binding BINDING_QUEUE_FINISHADDPOINT(@Qualifier(CG_BUYING_FINISHADDPOINT) Queue queue, @Qualifier(EX_BUYING_ADDPOINTUSER) Exchange exchange) { return BindingBuilder.bind(queue).to(exchange).with(CG_BUYING_FINISHADDPOINT_KEY).noargs(); } @Bean public Binding BINDING_QUEUE_ADDPOINT(@Qualifier(CG_BUYING_ADDPOINT) Queue queue, @Qualifier(EX_BUYING_ADDPOINTUSER) Exchange exchange) { return BindingBuilder.bind(queue).to(exchange).with(CG_BUYING_ADDPOINT_KEY).noargs(); } }
當添加訂單的時候,添加任務表中相關數據, 局部代碼以下redis
//增長任務表記錄 Task task = new Task(); task.setCreateTime(new Date()); task.setUpdateTime(new Date()); task.setMqExchange(RabbitMQConfig.EX_BUYING_ADDPOINTURSE); task.setMqRoutingkey(RabbitMQConfig.CG_BUYING_ADDPOINT_KEY); Map map = new HashMap(); map.put("userName",order.getUsername()); map.put("orderId",order.getId()); map.put("point",order.getPayMoney()); task.setRequestBody(JSON.toJSONString(map)); taskMapper.insertSelective(task);
訂單服務新增定時任務類,獲取小於系統當前時間的全部任務數據api
@EnableScheduling
更新taskMapper新增方法,查詢全部小於系統當前時間的數據併發
public interface TaskMapper extends Mapper<Task> { @Select("SELECT * from tb_task WHERE update_time<#{currentTime}") @Results({@Result(column = "create_time",property = "createTime"), @Result(column = "update_time",property = "updateTime"), @Result(column = "delete_time",property = "deleteTime"), @Result(column = "task_type",property = "taskType"), @Result(column = "mq_exchange",property = "mqExchange"), @Result(column = "mq_routingkey",property = "mqRoutingkey"), @Result(column = "request_body",property = "requestBody"), @Result(column = "status",property = "status"), @Result(column = "errormsg",property = "errormsg")}) List<Task> findTaskLessTanCurrentTime(Date currentTime); }
任務類實現app
@Component public class QueryPointTask { @Autowired private RabbitTemplate rabbitTemplate; @Autowired private TaskMapper taskMapper; @Scheduled(cron = "0 0/2 * * * ?") public void queryTask(){ //1.獲取小於系統當前時間數據 List<Task> taskList = taskMapper.findTaskLessTanCurrentTime(new Date()); if (taskList!=null && taskList.size()>0){ //將任務數據發送到消息隊列 for (Task task : taskList) { rabbitTemplate.convertAndSend(RabbitMQConfig.EX_BUYING_ADDPOINTURSE,RabbitMQConfig.CG_BUYING_ADDPOINT_KEY, JSON.toJSONString(task)); } } } }
@Configuration public class RabbitMQConfig { //添加積分任務交換機 public static final String EX_BUYING_ADDPOINTURSE = "ex_buying_addpointurse"; //添加積分消息隊列 public static final String CG_BUYING_ADDPOINT = "cg_buying_addpoint"; //完成添加積分消息隊列 public static final String CG_BUYING_FINISHADDPOINT = "cg_buying_finishaddpoint"; //添加積分路由key public static final String CG_BUYING_ADDPOINT_KEY = "addpoint"; //完成添加積分路由key public static final String CG_BUYING_FINISHADDPOINT_KEY = "finishaddpoint"; /** * 交換機配置 * @return the exchange */ @Bean(EX_BUYING_ADDPOINTURSE) public Exchange EX_DECLARE() { return ExchangeBuilder.directExchange(EX_BUYING_ADDPOINTURSE).durable(true).build(); } //聲明隊列 @Bean(CG_BUYING_FINISHADDPOINT) public Queue QUEUE_CG_BUYING_FINISHADDPOINT() { Queue queue = new Queue(CG_BUYING_FINISHADDPOINT); return queue; } //聲明隊列 @Bean(CG_BUYING_ADDPOINT) public Queue QUEUE_CG_BUYING_ADDPOINT() { Queue queue = new Queue(CG_BUYING_ADDPOINT); return queue; } /** * 綁定隊列到交換機 . * @param queue the queue * @param exchange the exchange * @return the binding */ @Bean public Binding BINDING_QUEUE_FINISHADDPOINT(@Qualifier(CG_BUYING_FINISHADDPOINT) Queue queue, @Qualifier(EX_BUYING_ADDPOINTURSE) Exchange exchange) { return BindingBuilder.bind(queue).to(exchange).with(CG_BUYING_FINISHADDPOINT_KEY).noargs(); } @Bean public Binding BINDING_QUEUE_ADDPOINT(@Qualifier(CG_BUYING_ADDPOINT) Queue queue, @Qualifier(EX_BUYING_ADDPOINTURSE) Exchange exchange) { return BindingBuilder.bind(queue).to(exchange).with(CG_BUYING_ADDPOINT_KEY).noargs(); } }
@Component public class AddPointListener { @Autowired private UserService userService; @Autowired private RedisTemplate redisTemplate; @Autowired private RabbitTemplate rabbitTemplate; @RabbitListener(queues = RabbitMQConfig.CG_BUYING_ADDPOINT) public void receiveMessage(String message){ Task task = JSON.parseObject(message, Task.class); if (task == null || StringUtils.isEmpty(task.getRequestBody())){ return; } //判斷redis中是否存在內容 Object value = redisTemplate.boundValueOps(task.getId()).get(); if (value != null){ return; } //更新用戶積分 int result = userService.updateUserPoints(task); if (result<=0){ return; } //返回通知 rabbitTemplate.convertAndSend(RabbitMQConfig.EX_BUYING_ADDPOINTURSE,RabbitMQConfig.CG_BUYING_FINISHADDPOINT_KEY,JSON.toJSONString(task)); } }
實現思路:ide
1)判斷當前訂單是否操做過ui
2)將任務存入redisspa
3)修改用戶積分日誌
4)添加積分日誌表記錄code
5)刪除redis中記錄orm
@Autowired private PointLogMapper pointLogMapper; /** * 修改用戶積分 * @param task * @return */ @Override @Transactional public int updateUserPoints(Task task) { Map info = JSON.parseObject(task.getRequestBody(), Map.class); String userName = info.get("userName").toString(); String orderId = info.get("orderId").toString(); int point = (int) info.get("point"); //判斷當前訂單是否操做過 PointLog pointLog = pointLogMapper.findLogInfoByOrderId(orderId); if (pointLog != null){ return 0; } //將任務存入redis redisTemplate.boundValueOps(task.getId()).set("exist",1,TimeUnit.MINUTES); //修改用戶積分 int result = userMapper.updateUserPoint(userName, point); if (result<=0){ return result; } //添加積分日誌表記錄 pointLog = new PointLog(); pointLog.setOrderId(orderId); pointLog.setPoint(point); pointLog.setUserId(userName); result = pointLogMapper.insertSelective(pointLog); if (result<=0){ return result; } //刪除redis中的記錄 redisTemplate.delete(task.getId()); return 1; }
定義PointLogMapper,實現根據訂單id查詢
public interface PointLogMapper extends Mapper<PointLog> { @Select("select * from tb_point_log where order_id=#{orderId}") PointLog findLogInfoByOrderId(@Param("orderId") String orderId); }
在訂單服務中定義監聽類,用於監聽隊列,若是隊列中有消息,則刪除原任務防止消息重複發送,並對任務信息進行記錄
@Component public class DelTaskListener { @Autowired private TaskService taskService; @RabbitListener(queues = RabbitMQConfig.CG_BUYING_FINISHADDPOINT) public void receiveMessage(String message){ Task task = JSON.parseObject(message, Task.class); taskService.delTask(task); } }
public interface TaskService { void delTask(Task task); }
@Service @Transactional public class TaskServiceImpl implements TaskService { @Autowired private TaskMapper taskMapper; @Autowired private TaskHisMapper taskHisMapper; @Override public void delTask(Task task) { //1. 設置刪除時間 task.setDeleteTime(new Date()); Long id = task.getId(); task.setId(null); //bean複製 TaskHis taskHis = new TaskHis(); BeanUtils.copyProperties(task,taskHis); //記錄任務信息 taskHisMapper.insertSelective(taskHis); //刪除原任務 task.setId(id); taskMapper.deleteByPrimaryKey(task); } }