| | |
| | | * 更新已有任务 |
| | | */ |
| | | public void rescheduleTimingTask(TimingTask task) throws SchedulerException { |
| | | TriggerKey triggerKey = new TriggerKey("trigger_" + task.getId()); |
| | | TriggerKey triggerKey = new TriggerKey("trigger_" + task.getId(), "TIMING_TASK_TRIGGER_GROUP"); |
| | | |
| | | // 获取现有触发器并转换为 CronTrigger |
| | | Trigger oldTrigger = scheduler.getTrigger(triggerKey); |
| | |
| | | throw new SchedulerException("Existing trigger is not a CronTrigger"); |
| | | } |
| | | |
| | | // 构建新触发器 |
| | | Trigger newTrigger = TriggerBuilder.newTrigger() |
| | | .withIdentity(triggerKey) |
| | | .withDescription(task.getTaskName()) |
| | | .withSchedule(CronScheduleBuilder.cronSchedule(convertToCronExpression(task))) |
| | | .startAt(Date.from(task.getNextExecutionTime().atZone(ZoneId.systemDefault()).toInstant())) |
| | | .forJob(oldTrigger.getJobKey()) |
| | | // 3. 构建CronTrigger,确保持久化配置 |
| | | CronTrigger newTrigger = TriggerBuilder.newTrigger() |
| | | .withIdentity(triggerKey) // 唯一标识,用于持久化存储 |
| | | .withDescription(task.getTaskName() + "_TRIGGER") // 触发器描述 |
| | | .forJob(oldTrigger.getJobKey()) // 关联对应的Job |
| | | .withSchedule(CronScheduleBuilder |
| | | .cronSchedule(convertToCronExpression(task)) // 错过执行时的策略(根据业务调整) |
| | | ) |
| | | // 4. 设置开始时间(若为null则立即生效) |
| | | .startAt(task.getNextExecutionTime() != null |
| | | ? Date.from(task.getNextExecutionTime().atZone(ZoneId.systemDefault()).toInstant()) |
| | | : new Date()) |
| | | .build(); |
| | | |
| | | // 构建新触发器 |
| | | // Trigger newTrigger = TriggerBuilder.newTrigger() |
| | | // .withIdentity(triggerKey) |
| | | // .withDescription(task.getTaskName()) |
| | | // .withSchedule(CronScheduleBuilder.cronSchedule(convertToCronExpression(task))) |
| | | // .startAt(Date.from(task.getNextExecutionTime().atZone(ZoneId.systemDefault()).toInstant())) |
| | | // .forJob(oldTrigger.getJobKey()) |
| | | // .build(); |
| | | |
| | | scheduler.rescheduleJob(triggerKey, newTrigger); |
| | | } |
| | |
| | | } |
| | | |
| | | private JobDetail buildJobDetail(TimingTask task) { |
| | | JobDataMap jobDataMap = new JobDataMap(); |
| | | jobDataMap.put("taskId", task.getId()); |
| | | // 1. 构建唯一JobKey(基于任务ID,确保重启后能识别) |
| | | JobKey jobKey = new JobKey("timingTask_" + task.getId(), "TIMING_TASK_GROUP"); |
| | | |
| | | // 2. 封装任务数据(仅使用基本类型,确保可序列化) |
| | | JobDataMap jobDataMap = new JobDataMap(); |
| | | jobDataMap.put("taskId", task.getId()); // 任务ID(Long,可序列化) |
| | | jobDataMap.put("taskName", task.getTaskName()); // 任务名称(String,可序列化) |
| | | jobDataMap.put("taskType", task.getFrequencyType()); // 任务类型(String) |
| | | // 按需添加其他必要的基本类型参数 |
| | | |
| | | // 3. 构建JobDetail,设置持久化相关属性 |
| | | return JobBuilder.newJob(TimingTaskJob.class) |
| | | .withIdentity("timingTask_" + task.getId()) |
| | | .withDescription(task.getTaskName()) |
| | | .usingJobData(jobDataMap) |
| | | .storeDurably() |
| | | .withIdentity(jobKey) // 唯一标识,用于持久化存储 |
| | | .withDescription(task.getTaskName()) // 任务描述,存入数据库 |
| | | .usingJobData(jobDataMap) // 绑定任务数据 |
| | | .storeDurably() // 即使没有触发器关联也持久化保存 |
| | | .requestRecovery(true) // 当调度器崩溃后恢复时,重新执行未完成的任务 |
| | | .build(); |
| | | } |
| | | |
| | | private Trigger buildJobTrigger(TimingTask task, JobDetail jobDetail) { |
| | | // 1. 构建唯一TriggerKey(基于任务ID) |
| | | TriggerKey triggerKey = new TriggerKey("trigger_" + task.getId(), "TIMING_TASK_TRIGGER_GROUP"); |
| | | |
| | | // 2. 生成Cron表达式(原逻辑不变) |
| | | String cronExpression = convertToCronExpression(task); |
| | | |
| | | TriggerBuilder<CronTrigger> triggerBuilder = TriggerBuilder.newTrigger() |
| | | .withIdentity("trigger_" + task.getId()) |
| | | .withDescription(task.getTaskName()) |
| | | .withSchedule(CronScheduleBuilder.cronSchedule(cronExpression)); |
| | | |
| | | if (jobDetail != null) { |
| | | triggerBuilder.forJob(jobDetail); |
| | | } |
| | | |
| | | if (task.getNextExecutionTime() != null) { |
| | | triggerBuilder.startAt(Date.from(task.getNextExecutionTime().atZone(ZoneId.systemDefault()).toInstant())); |
| | | } |
| | | |
| | | return triggerBuilder.build(); |
| | | // 3. 构建CronTrigger,确保持久化配置 |
| | | CronTrigger trigger = TriggerBuilder.newTrigger() |
| | | .withIdentity(triggerKey) // 唯一标识,用于持久化存储 |
| | | .withDescription(task.getTaskName() + "_TRIGGER") // 触发器描述 |
| | | .forJob(jobDetail) // 关联对应的Job |
| | | .withSchedule(CronScheduleBuilder |
| | | .cronSchedule(cronExpression) |
| | | .withMisfireHandlingInstructionDoNothing() // 错过执行时的策略(根据业务调整) |
| | | ) |
| | | // 4. 设置开始时间(若为null则立即生效) |
| | | .startAt(task.getNextExecutionTime() != null |
| | | ? Date.from(task.getNextExecutionTime().atZone(ZoneId.systemDefault()).toInstant()) |
| | | : new Date()) |
| | | .build(); |
| | | return trigger; |
| | | } |
| | | private String convertToCronExpression(TimingTask task) { |
| | | // 参数校验 |