how to dynamically configure variables in transformation in Kettle Job from Java

Question

In kettle I have one job. The Job is having 2 KTRs. The job needs to be invoked from Java call. First KTR is having first step as MongoDBInput . The query expression for step needs to be passed as input from java.

        KettleEnvironment.init();
        JobMeta jobMeta = new JobMeta("E:\\Job.kjb", null);
        Job job = new Job(null, jobMeta);

How do i set the variable from java?

Answer 1

Can be done using:

 Job job = new Job(null, jobMeta);                  
jobMeta.setParameterValue("inputParam", "urParam");