From faa95a5b183a42a6c3fcf1d6a41d81caa33da3bc Mon Sep 17 00:00:00 2001
From: guyue <1721849008@qq.com>
Date: 星期三, 30 七月 2025 17:42:00 +0800
Subject: [PATCH] 修改定时器抢占
---
src/main/java/com/linghu/timeTask/ScheduledTasks.java | 30 ++++++++++++++++++++++++------
1 files changed, 24 insertions(+), 6 deletions(-)
diff --git a/src/main/java/com/linghu/timeTask/ScheduledTasks.java b/src/main/java/com/linghu/timeTask/ScheduledTasks.java
index cb6e4a3..9312445 100644
--- a/src/main/java/com/linghu/timeTask/ScheduledTasks.java
+++ b/src/main/java/com/linghu/timeTask/ScheduledTasks.java
@@ -27,6 +27,7 @@
import java.time.Duration;
import java.time.format.DateTimeFormatter;
import java.util.List;
+import java.util.stream.Collectors;
@Component
@@ -163,9 +164,26 @@
List<KeywordTask> tasks = keywordTaskService.list(queryWrapper);
log.info("查询到 {} 个待处理任务", tasks.size());
+ // 先标记成 processing，避免下一轮又被调度发现
+ if (!tasks.isEmpty()) {
+ // 提取查询到的任务id列表
+ List<Integer> taskIds = tasks.stream()
+ .map(KeywordTask::getId) // 假设任务有唯一id字段
+ .collect(Collectors.toList());
+
+ // 批量更新：仅更新“id在查询列表中”且“状态仍为pending”的任务
+ boolean updatedCount = keywordTaskService.update(
+ new LambdaUpdateWrapper<KeywordTask>()
+ .in(KeywordTask::getId, taskIds) // 限定为查询到的任务
+ .eq(KeywordTask::getStatus, "pending") // 确保状态未被其他进程修改
+ .set(KeywordTask::getStatus, "processing")
+ );
+ log.info("成功标记 {} 个任务为processing（查询到{}个）", updatedCount, tasks.size());
+ }
for (KeywordTask task : tasks) {
if (task.getTask_id() != null) {
+
processTaskStatus(task)
.subscribeOn(Schedulers.boundedElastic())
.subscribe(
@@ -224,6 +242,8 @@
return updateKeywordStatusWhenTaskFinished(task)
.then(Mono.just(task));
}else if ( "running".equalsIgnoreCase(statusResponse.getStatus())) {
+ // 改回 pending，进行下一轮查询
+ task.setStatus("pending");
//更新每个提问词的状态
return updateQuestionStatus(task, statusResponse); // 抽取为独立方法
}else if("ERROR".equalsIgnoreCase(statusResponse.getStatus())&&statusResponse.getMessage().contains("Task not found")){
@@ -239,13 +259,11 @@
})
.switchIfEmpty(Mono.just(task)) // 如果状态检查返回empty，保持原有任务
.flatMap(t -> {
- if (!"pending".equalsIgnoreCase(t.getStatus())) {
- // 修改这里：将updateById的结果包装成Mono
- return Mono.fromSupplier(() -> keywordTaskService.updateById(t))
- .thenReturn(t);
- }
- return Mono.just(t);
+ // 修改这里：将updateById的结果包装成Mono
+ return Mono.fromSupplier(() -> keywordTaskService.updateById(t))
+ .thenReturn(t);
+
})
.onErrorResume(e -> {
log.error("处理任务 {} 状态时发生错误: {}", task.getTask_id(), e.getMessage());
--
Gitblit v1.7.1