package com.itlong.bjxizhan.support.web.job.base;

import com.itlong.bjxizhan.common.DbContext;
import com.itlong.bjxizhan.domain.pojo.Task;
import com.itlong.bjxizhan.support.web.service.StandardTaskService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import java.util.List; /**
* Created by shenhongxi on 2016/7/12.
*/
public class JobRunnable implements Runnable { private static final Logger log = LoggerFactory.getLogger(JobRunnable.class); private StandardTaskService standardTaskService; private List<Task> tasks; private String dbKey; private String tableIndex; @Override
public void run() {
if (tasks != null) {
try {
DbContext.setDbKey(dbKey);
DbContext.setTableIndex(tableIndex);
for (Task task : tasks) {
task.setTableIndex(tableIndex); // 1. 一个job的多个实例,谁先成功锁定任务,谁先处理任务,若处理失败则解锁任务
// 2. 对于1中解锁失败的,要利用另外的job来专门进行解锁
// 3. 将任务分成几批,并行处理
// 4. 这些任务的子任务分批串行处理,同样有锁定-处理-失败解锁
// 5. 对于4中解锁失败的,同样要利用另外的job来专门进行解锁
boolean locked = standardTaskService.lock(task);
if (!locked) continue; boolean result = standardTaskService.process(task); standardTaskService.finished(result, task);
}
} catch (Exception e) {
log.error("Do task error", e);
throw new RuntimeException("Do task error");
}
}
} public List<Task> getTasks() {
return tasks;
} public void setTasks(List<Task> tasks) {
this.tasks = tasks;
} public StandardTaskService getStandardTaskService() {
return standardTaskService;
} public void setStandardTaskService(StandardTaskService standardTaskService) {
this.standardTaskService = standardTaskService;
} public String getTableIndex() {
return tableIndex;
} public void setTableIndex(String tableIndex) {
this.tableIndex = tableIndex;
} public String getDbKey() {
return dbKey;
} public void setDbKey(String dbKey) {
this.dbKey = dbKey;
}
}

***:org.quartz.Scheduler提供了start, bystand等方法可以对Scheduler进行管控

05-04 07:39