定期巡检工单：基础支持
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@ -33,6 +33,9 @@ public class SafeOrderExpirationListener {
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// Redis键常量
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private static final String ORDER_KEY_PREFIX = "bike:dispatch:lock:";
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// Redis键常量
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private static final String BIKE_KEY_PREFIX = "bike:inspection:lock:";
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// 获取锁等待时间（秒）
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private static final long LOCK_WAIT_TIME = 5L;
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@ -42,7 +45,7 @@ public class SafeOrderExpirationListener {
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* 处理Redis键过期事件
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*/
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public void handleOrderExpiration(String expiredKey) {
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// 验证是否为工单键
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// 验证是否为调度工单键
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if (expiredKey.startsWith(RedisUtil.BIKE_DISPATCH_ORDER_PREFIX)) {
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// 提取订单ID
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String orderId = extractOrderIdFromKey(expiredKey);
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@ -59,6 +62,24 @@ public class SafeOrderExpirationListener {
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return null;
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});
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}
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// 验证是否为巡检工单键
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if (expiredKey.startsWith(RedisUtil.BIKE_INSPECTION_ORDER_PREFIX)) {
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// 提取车辆编号
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String bikeCode = extractBikeCodeFromKey(expiredKey);
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if (bikeCode == null) {
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return;
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}
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log.info("实例 {} 接收到巡检生成事件: bikeCode={}",
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instanceManager.getInstanceId(), bikeCode);
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// 异步处理，避免阻塞监听线程
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CompletableFuture.runAsync(() -> createOrderSafely(bikeCode)).exceptionally(e -> {
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log.error("车辆生成巡检工单失败: bikeCode={}", bikeCode, e);
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return null;
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});
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}
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// 判断是否为车辆多长时间无单生成调度工单，过期则创建调度工单
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if (expiredKey.startsWith(RedisUtil.BIKE_NO_DOCUMENT_PREFIX)) {
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// 提取车辆编号
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@ -110,6 +131,38 @@ public class SafeOrderExpirationListener {
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}
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}
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/**
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* 安全的生成工单（使用RedisUtil分布式锁）
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*/
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private void createOrderSafely(String bikeCode) {
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String instanceId = instanceManager.getInstanceId();
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String lockKey = BIKE_KEY_PREFIX + bikeCode;
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// 使用RedisUtil的分布式锁功能
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boolean locked = redisUtil.tryInspectionLock(lockKey, instanceId, LOCK_WAIT_TIME, TimeUnit.SECONDS);
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if (!locked) {
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log.debug("实例 {} 获取锁失败，其他实例正在处理巡检工单生成时间: bikeCode={}", instanceId, bikeCode);
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return;
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}
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log.info("实例 {} 开始处理工单生成: bikeCode={}", instanceId, bikeCode);
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try {
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// 执行实际的过期处理逻辑
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processCreateInspectionOrderBusiness(bikeCode);
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log.info("实例 {} 完成工单过期处理: bikeCode={}", instanceId, bikeCode);
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} catch (Exception e) {
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log.error("处理过期工单业务逻辑异常: bikeCode={}", bikeCode, e);
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} finally {
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// 安全释放锁：先检查锁是否还是自己的
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releaseLockSafely(lockKey, instanceId);
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}
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}
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private void processExpiredNoDocumentSafely(String bikeCode) {
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String instanceId = instanceManager.getInstanceId();
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String lockKey = NO_DOCUMENT_LOCK_PREFIX + bikeCode;
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@ -153,7 +206,7 @@ public class SafeOrderExpirationListener {
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}
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/**
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* 实际的业务处理逻辑
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* 实际的有效调度业务处理逻辑
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*/
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private void processExpiredOrderBusiness(String orderId) {
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try {
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@ -177,7 +230,21 @@ public class SafeOrderExpirationListener {
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}
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/**
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* 实际的业务处理逻辑
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* 实际的调度业务处理逻辑
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*/
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private void processCreateInspectionOrderBusiness(String bikeCode) {
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try {
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//TODO: 生成巡检工单
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// orderService.createInspectionSwapOrder(bikeCode);
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System.out.println("生成巡检工单");
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} catch (Exception e) {
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log.error("生成巡检工单业务异常: orderId={}", bikeCode, e);
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throw e;
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}
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}
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/**
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* 实际的调度业务处理逻辑
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*/
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private void processCreateDispatchOrderBusiness(String bikeCode) {
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try {
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@ -207,6 +274,9 @@ public class SafeOrderExpirationListener {
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if (redisKey.startsWith(RedisUtil.BIKE_NO_DOCUMENT_PREFIX)) {
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return redisKey.substring(RedisUtil.BIKE_NO_DOCUMENT_PREFIX.length());
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}
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if (redisKey.startsWith(RedisUtil.BIKE_INSPECTION_ORDER_PREFIX)) {
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return redisKey.substring(RedisUtil.BIKE_INSPECTION_ORDER_PREFIX.length());
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}
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return null;
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}
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}
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@ -38,6 +38,9 @@ public class RedisUtil {
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// 调度工单相关
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public static final String BIKE_DISPATCH_ORDER_PREFIX = "bike:dispatch:order:";
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//巡检工单
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public static final String BIKE_INSPECTION_ORDER_PREFIX = "bike:inspection:order:";
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// 车辆信息相关
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public static final String BIKE_ECU_PREFIX = "bike:ecu:";
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@ -56,14 +59,11 @@ public class RedisUtil {
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* 获取指定数据库的RedisTemplate
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*/
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private RedisTemplate<String, Object> getRedisTemplate(int database) {
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switch (database) {
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case Database.DB1:
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return redisTemplate;
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case Database.DB2:
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return redisTemplateDb2;
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default:
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throw new IllegalArgumentException(ErrorMessages.UNSUPPORTED_DATABASE + database);
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}
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return switch (database) {
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case Database.DB1 -> redisTemplate;
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case Database.DB2 -> redisTemplateDb2;
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default -> throw new IllegalArgumentException(ErrorMessages.UNSUPPORTED_DATABASE + database);
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};
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}
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/* ==================== 原有功能保持不变 ==================== */
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@ -459,12 +459,40 @@ public class RedisUtil {
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}
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/**
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* 数据库2专用：存储调度工单并设置过期时间
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* 数据库2专用：移除调度工单并设置过期时间
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*/
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public void deleteDispatchOrder(Long orderId) {
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delete(Database.DB2, BIKE_DISPATCH_ORDER_PREFIX + orderId);
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}
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/**
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* 数据库2专用：存储需要定期巡检车辆并设置过期时间
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*/
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public void saveInspectionOrder(String bikeCode, Object bikeInfo, long timeout, TimeUnit unit) {
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set(Database.DB2, BIKE_INSPECTION_ORDER_PREFIX + bikeCode, bikeInfo, timeout, unit);
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}
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/**
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* 数据库2专用：移除调度工单并设置过期时间
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*/
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public void deleteInspectionOrder(String bikeCode) {
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delete(Database.DB2, BIKE_INSPECTION_ORDER_PREFIX + bikeCode);
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}
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/**
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* 数据库2专用：分布式锁（针对巡检任务）
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*/
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public Boolean tryInspectionLock(String lockKey, Object value, long timeout, TimeUnit unit) {
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return getRedisTemplate(Database.DB2).opsForValue().setIfAbsent(lockKey, value, timeout, unit);
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}
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/**
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* 数据库2专用：释放调度锁
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*/
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public Boolean releaseInspectionLock(String lockKey) {
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return delete(Database.DB2, lockKey);
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}
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/**
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* 数据库2专用：分布式锁（针对调度任务）
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*/
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