如何在spring batch中使用在另一个作业定义文件中声明的JobID

Question

我有三份工作。它们是Job1、Job2和Job3。
Job1必须并行运行Job2和Job3。
这些作业定义文件如下所示。

job1.xml

<batch:job id="Job1" restartable="true" >
        <batch:step id="step1" next="split">
            <batch:tasklet ref="job1.stp01" />
        </batch:step>

        <batch:split id="split">
            <batch:flow>
                <batch:step id="flow1" >
                    <batch:job ref="Job2" job-launcher="simpleJobLauncher" job-parameters-extractor="defaultJobParametersExtractor"/>
                </batch:step>
            </batch:flow>

            <batch:flow>
                <batch:step id="flow2">
                    <batch:job ref="Job3" job-launcher="simpleJobLauncher" job-parameters-extractor="defaultJobParametersExtractor"/>
                </batch:step>
            </batch:flow>
        </batch:split>

    </batch:job>

<batch:job id="Job2" restartable="true">
        <batch:step id="Job2.Step01">
            <batch:tasklet ref="job2.stp01" />
        </batch:step>
    </batch:job>

<batch:job id="Job3" restartable="true">
    <batch:step id="Job3.Step01">
        <batch:tasklet ref="job3.stp01" />
    </batch:step>
</batch:job>

13:33:56,875 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flow1': Cannot resolve reference to bean 'Job2' while setting bean property 'job'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'Job2' is defined

Answer 1

尝试此配置

<import resource="classpath*:META-INF/Job2.xml" />
<import resource="classpath*:META-INF/Job3.xml" />

<batch:job id="Job1" restartable="true" >
    <batch:step id="step1" next="split">
        <batch:tasklet ref="job1.stp01" />
    </batch:step>

    <batch:split id="split">
        <batch:flow>
            <batch:step id="flow1" >
                <batch:job ref="Job2" job-launcher="simpleJobLauncher" job-parameters-extractor="defaultJobParametersExtractor"/>
            </batch:step>
        </batch:flow>

        <batch:flow>
            <batch:step id="flow2">
                <batch:job ref="Job3" job-launcher="simpleJobLauncher" job-parameters-extractor="defaultJobParametersExtractor"/>
            </batch:step>
        </batch:flow>
    </batch:split>

</batch:job>