wro4j-core/src/main/java/ro/isdc/wro/util/SchedulerHelper.java
public SchedulerHelper scheduleWithPeriod(final long period, final TimeUnit timeUnit) {
    notNull(timeUnit);
    LOG.debug("period: {} [{}]", period, timeUnit);
    if (this.period != period) {
      this.period = period;
      if (!poolInitializer.get().isShutdown()) {
        startScheduler(period, timeUnit);
      } else {
        LOG.warn("Cannot schedule because destroy was already called!");
      }
    }
    return this;
  }
public SchedulerHelper scheduleWithPeriod(final long period, final TimeUnit timeUnit) {
    notNull(timeUnit);
    LOG.debug("period: {} [{}]", period, timeUnit);
    if (this.period != period) {
      this.period = period;
      if (!poolInitializer.get().isShutdown()) {
        startScheduler(period, timeUnit);
      } else {
        LOG.warn("Cannot schedule because destroy was already called!");
      }
    }
    return this;
  }
public SchedulerHelper scheduleWithPeriod ( final long period , final TimeUnit timeUnit ) { notNull ( timeUnit ) ; LOG . debug ( "period: {} [{}]" , period , timeUnit ) ; if ( this . period != period ) { this . period = period ; if ( ! poolInitializer . get ( ) . isShutdown ( ) ) { startScheduler ( period , timeUnit ) ; } else { LOG . warn ( "Cannot schedule because destroy was already called!" ) ; } } return this ; }
Run the scheduler with the provided period of time. If the scheduler is already started, it will be stopped (not
before the running job is complete).

@param period
new period for scheduling.
@param timeUnit
what kind of time unit is associated with the period.
Run the scheduler with the provided period of time . If the scheduler is already started it will be stopped ( not before the running job is complete ) .