code: public boolean executeJob(String jobName, String jobGroupName) {
          try {
              this.scheduler.triggerJob(new JobKey(jobName, jobGroupName));
              return true;
          } catch (SchedulerException e) {
              logger.error("error executing job: " + jobName + " in group: " + jobGroupName, e);
          }
          return false;
      }
docs: Fire the given job in given group.
  
  @param jobName
  the name of the job
  
  @param jobGroupName
  the group name of the job
  
  @return <code>true</code> if job was fired, <code>false</code> otherwise
  
  @see QuartzService#executeJob(String, String)