package ch.qos.logback.core.rolling.helper;

import java.util.Date;

/**
 * PeriodicRollingCalendar extends
 * {@link ch.qos.logback.core.rolling.helper.RollingCalendar} to compute the next
 * triggering interval using a periodicity type, period and the current time.
 *
 * {@link ch.qos.logback.core.rolling.helper.RollingCalendar} always considers
 * the periods as 1. With PeriodicRollingCalendar you can have a triggers like 20 minute,
 * 2 hours, 4 days etc.
 */
public class PeriodicRollingCalendar extends RollingCalendar{

    int period;

    public PeriodicRollingCalendar(){
        period = 1;
    }
    public PeriodicRollingCalendar(int period){
        this.period = period;
    }

    @Override
    public Date getNextTriggeringDate(Date now) {
        return getRelativeDate(now, period);
    }
   
    public int getPeriod() {
        return period;
    }

    public void setPeriod(int period) {
        this.period = period;
    }

}