Spring批处理并行执行多个步骤? [英] Spring batch Partitioning with multiple steps in parallel?
问题描述
我已经为一个步骤实现了弹簧批处理分区,其中主步骤将其工作委托给多个并行执行的从属线程。如下图所示。(参考 Spring docs )
现在如果我有多个要执行的步骤怎么办?平行?如何在批量配置中配置它们?我当前的配置是
I have implemented spring batch partitioning for a single steps where a master step delegates its work to several slave threads which than gets executed in parallel. As shown in following image.(Reference Spring docs) Now what if I have multiple steps which are to be executed in parallel? How to configure them in batch configuration? My current configuration is
<batch:job id="myJob" restartable="true" job-repository="jobRepository" >
<batch:listeners>
<batch:listener ref="myJoblistener"></batch:listener>
</batch:listeners>
<batch:step id="my-master-step">
<batch:partition step="my-step" partitioner="my-step-partitioner" handler="my-partitioner-handler">
</batch:partition>
</batch:step>
</batch:job>
<batch:step id="my-step" >
<batch:tasklet ref="myTasklet" transaction-manager="transactionManager" >
</batch:tasklet>
<batch:listeners>
<batch:listener ref="myStepListener"></batch:listener>
</batch:listeners>
</batch:step>
我的架构图应如下图所示:
My architecture diagrams should be like following image:
即使可以使用弹簧批次,我也不确定。任何想法或者我都想实现它。谢谢。
I am not sure even if it is possible using spring batch.Any ideas or I am way over my head to implement it.Thank you.
推荐答案
您可以尝试以下方法。
<batch:job id="myJob" restartable="true" job-repository="jobRepository" >
<batch:listeners>
<batch:listener ref="myJoblistener"></batch:listener>
</batch:listeners>
<batch:step id="my-master-step">
<batch:partition step="my-step" partitioner="my-step-partitioner" handler="my-partitioner-handler">
</batch:partition>
</batch:step>
</batch:job>
<batch:step id="my-step" >
<batch:job ref="MyChildJob" job-launcher="jobLauncher"
job-parameters-extractor="jobParametersExtractor" />
<batch:listeners>
<batch:listener ref="myStepListener"></batch:listener>
</batch:listeners>
</batch:step>
<batch:job id="MyChildJob" restartable="false"
xmlns="http://www.springframework.org/schema/batch">
<batch:step id="MyChildStep1" next="MyChildStep2">
<batch:tasklet ref="MyChildStep1Tasklet" transaction-manager="transactionManager" >
</batch:tasklet>
</batch:step>
<batch:step id="MyChildStep2" next="MyChildStep3">
<batch:tasklet ref="MyChildStep2Tasklet" transaction-manager="transactionManager" >
</batch:tasklet>
</batch:step>
<batch:step id="MyChildStep3">
<batch:tasklet ref="MyChildStep3Tasklet" transaction-manager="transactionManager" >
</batch:tasklet>
</batch:step>
</batch:job>
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