Network Deployment (Distributed operating systems), v8.0 > Administer applications and their environment > Administer the batch environment > Administer the batch environment

xJCL sample for a batch job

The following sample illustrates a batch job, which demonstrates that you can invoke existing session beans from within job steps.

<job name="PostingsSampleEar" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 
<jndi-name>ejb/com/ibm/websphere/samples/PostingsJob
</jndi-name>


<step-scheduling-criteria>
<scheduling-mode>sequential
</scheduling-mode>
</step-scheduling-criteria>


<checkpoint-algorithm name="${checkpoint}">
<classname>com.ibm.wsspi.batch.checkpointalgorithms.${checkpoint}
</classname>
<props>
<prop name="interval" value="${checkpointInterval}" />
</props>
</checkpoint-algorithm>


<results-algorithms>
<results-algorithm name="jobsum">
<classname>com.ibm.wsspi.batch.resultsalgorithms.jobsum
</classname>
</results-algorithm>
</results-algorithms>


<substitution-props>  
<prop name="wsbatch.count" value="5" />  
<prop name="checkpoint" value="timebased" />  
<prop name="checkpointInterval" value="15" />  
<prop name="postingsDataStream" value="${was.install.root}${file.separator}temp${file.separator}postings" />
</substitution-props>

<job-step name="Step1">
 
 
<jndi-name>ejb/DataCreationBean
</jndi-name>
 
<!-- apply checkpoint policy to step1 -->  
<checkpoint-algorithm-ref name="${checkpoint}" />
 
 
<results-ref name="jobsum"/>
 

<batch-data-streams>
<bds>
         
<logical-name>myoutput
</logical-name>
         
         
<impl-class>com.ibm.websphere.samples.PostingOutputStream
</impl-class>
         
<props>
             
<prop name="FILENAME" value="${postingsDataStream}" />              

</props>
</bds>
</batch-data-streams>    
 
 
<props>      
     
<prop name="wsbatch.count" value="${wsbatch.count}" />
</props>
</job-step>


<job-step name="Step2">  
         
 
<step-scheduling condition="OR">
<returncode-expression step="Step1" operator="eq" value="0" />      
<returncode-expression step="Step1" operator="eq" value="4" />
</step-scheduling>    
 
<jndi-name>ejb/PostingAccountData
</jndi-name>
<checkpoint-algorithm-ref name="${checkpoint}" />
<results-ref name="jobsum"/>

<batch-data-streams>
<bds>
         
<logical-name>myinput
</logical-name>
<impl-class>com.ibm.websphere.samples.PostingStream
</impl-class>          
         
         
<props>
<prop name="FILENAME" value="${postingsDataStream}" />
</props>

</bds>
</batch-data-streams>
</job-step>
  
<job-step name="Step3"> 
<step-scheduling>     
<returncode-expression step="Step2" operator="eq" value="4" /> 
</step-scheduling>

<jndi-name>ejb/OverdraftAccountPosting
</jndi-name> 
<checkpoint-algorithm-ref name="${checkpoint}" /> 
<results-ref name="jobsum" />


<batch-data-streams>     
<bds>         
       
<logical-name>dbread
</logical-name>         
<impl-class>com.ibm.websphere.samples.OverdraftInputStream
</impl-class>    
</bds>
</batch-data-streams>
</job-step>

</job>

xJCL elements
XML schema for a batch job

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