java程序中给Kettle传参数

最新推荐文章于 2024-11-26 18:12:41 发布

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最新推荐文章于 2024-11-26 18:12:41 发布

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本文介绍了一个使用Pentaho Data Integration (PDI)进行ETL作业的Java示例程序。该程序通过设置必要的环境变量及作业参数，加载并执行了指定路径下的ETL作业文件。演示了如何在PDI中设置和使用变量，如XML文件路径和特征标识符。

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import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.logging.LogWriter;
import org.pentaho.di.core.util.EnvUtil;
import org.pentaho.di.job.Job;
import org.pentaho.di.job.JobEntryLoader;
import org.pentaho.di.job.JobMeta;
import org.pentaho.di.trans.StepLoader;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;

public class EtlParams {

public static void main(String[] args) {
// TODO Auto-generated method stub
runJob("D:\\etl\\params1.kjb");
}
public static void runJob(String filename) {
try {
StepLoader.init();
EnvUtil.environmentInit();
JobEntryLoader.init();
JobMeta jobMeta = new JobMeta(LogWriter.getInstance(),filename,null);
Job job = new Job(LogWriter.getInstance(),StepLoader.getInstance() ,null,jobMeta);
job.getJobMeta().setInternalKettleVariables(job);
job.setVariable("XMLPATH", "D:\\etl\\gz_zb_zb");
job.setVariable("ZB_FJD", "23d267b7aad54f5b961f66fac791b356");
job.execute(); // You can pass arguments instead of null.
job.waitUntilFinished();
if ( job.getErrors() > 0 )
{
throw new RuntimeException( "There were errors during transformation execution." );
}
}
catch ( KettleException e ) {
System.out.println(e);
}
}