Java Spring-Step调度
我试图在Spring批处理作业中安排步骤。我试着用它。但当我试图在SpringXd上部署作业时,它失败了。下面是我面临的代码和错误Java Spring-Step调度,java,spring,spring-batch,spring-xd,Java,Spring,Spring Batch,Spring Xd,我试图在Spring批处理作业中安排步骤。我试着用它。但当我试图在SpringXd上部署作业时,它失败了。下面是我面临的代码和错误 <batch:job id="addB" restartable="false"> <batch:step id="AddB" > <tasklet ref="addBTasklet" /> </batch:step> </batch:job> <task:scheduler id=
<batch:job id="addB" restartable="false">
<batch:step id="AddB" >
<tasklet ref="addBTasklet" />
</batch:step>
</batch:job>
<task:scheduler id="taskScheduler" pool-size="1"/>
<task:scheduled-tasks scheduler="taskScheduler">
<task:scheduled ref="AddB" method="execute" cron="*/5 * * * * ?"/>
</task:scheduled-tasks>
您需要添加一个实现启动作业所需逻辑的类,然后让调度器调用该类中的方法。新课程内容:
package mypackage;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.JobParametersBuilder;
import org.springframework.batch.core.launch.JobLauncher;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import java.util.UUID;
@Service
public class TriggerScheduledJob {
@Autowired
private JobLauncher jobLauncher;
@Autowired
@Qualifier("addB")
private Job addBJob;
@Autowired
@Qualifier("addC")
private Job addCJob;
public void triggerAddB() {
JobParameters param = new JobParametersBuilder().addString("id", UUID.randomUUID().toString()).toJobParameters();
try {
JobExecution execution = jobLauncher.run(addBJob, param);
System.out.println("Job executed with exit status = " + execution.getStatus());
} catch (Exception e) {
System.out.println("Failed to execute job. " + e.getMessage());
}
}
public void triggerAddC() {
JobParameters param = new JobParametersBuilder().addString("id", UUID.randomUUID().toString()).toJobParameters();
try {
JobExecution execution = jobLauncher.run(addCJob, param);
System.out.println("Job addC executed with exit status = " + execution.getStatus());
} catch (Exception e) {
System.out.println("Failed to execute job. " + e.getMessage());
}
}
}
然后调整Spring应用程序上下文,使其创建这个新bean,并修改调度器以调用该bean的相关方法来触发您想要启动的实际作业:
<batch:job id="addB" restartable="false">
<batch:step id="AddB" >
<tasklet ref="addBTasklet" />
</batch:step>
</batch:job>
<batch:job id="addC" restartable="false">
<batch:step id="AddC" >
<tasklet ref="addCTasklet" />
</batch:step>
</batch:job>
<bean id="triggerScheduledJob" class="mypackage.TriggerScheduledJob" />
<task:scheduler id="taskScheduler" pool-size="1"/>
<task:scheduled-tasks scheduler="taskScheduler">
<task:scheduled ref="triggerScheduledJob" method="triggerAddB" cron="*/5 * * * * ?"/>
</task:scheduled-tasks>
<task:scheduled-tasks scheduler="taskScheduler">
<task:scheduled ref="triggerScheduledJob" method="triggerAddC" cron="*/5 * * * * ?"/>
</task:scheduled-tasks>
希望它能给您带来帮助。如果我们有两个步骤“addB”和“addC”,并且都必须安排使用不同的cron表达式运行。或者简单地说,我有BeanA、BeanB、BeanC、BeanD,并且每个步骤都必须安排在特定的时间。您好。我扩展了答案,以包括一种情况,即使用两个不同的cron表达式触发两个不同的作业。希望有帮助。非常感谢你,这很有帮助。我有没有办法在两个作业之间建立依赖关系。如果第一个作业完成,第二个作业应该执行,如果失败,我们将退出。此外,如果我的第一个作业计划在8执行,第二个作业在11执行。如果第一个作业在8时成功,则第二个作业应在11时运行。
<batch:job id="addB" restartable="false">
<batch:step id="AddB" >
<tasklet ref="addBTasklet" />
</batch:step>
</batch:job>
<batch:job id="addC" restartable="false">
<batch:step id="AddC" >
<tasklet ref="addCTasklet" />
</batch:step>
</batch:job>
<bean id="triggerScheduledJob" class="mypackage.TriggerScheduledJob" />
<task:scheduler id="taskScheduler" pool-size="1"/>
<task:scheduled-tasks scheduler="taskScheduler">
<task:scheduled ref="triggerScheduledJob" method="triggerAddB" cron="*/5 * * * * ?"/>
</task:scheduled-tasks>
<task:scheduled-tasks scheduler="taskScheduler">
<task:scheduled ref="triggerScheduledJob" method="triggerAddC" cron="*/5 * * * * ?"/>
</task:scheduled-tasks>