public Job withJobArn(String jobArn) {
        setJobArn(jobArn);
        return this;
    }
<p>
An ARN identifying the job with format "arn:aws:iot:region:account:job/jobId".
</p>

@param jobArn
       An ARN identifying the job with format "arn:aws:iot:region:account:job/jobId".
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/Job.java