code: @Override
  	public boolean setPrevJob(String prevJob) {
  		if (LOGGER.isTraceEnabled()) LOGGER.trace(String.format("set previous job : %s", prevJob));
  		this.prevJob = prevJob;
  		return true;
  	}
docs: /* (non-Javadoc)
  @see de.chandre.admintool.quartz.AdminToolQuartzService#setPrevJob(java.lang.String)