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package ex06;

import java.util.Calendar;
import oms3.annotations.*;

/**
 * Time control
 * 
 * @author od
 */
public class TimeControl {

    @In public Calendar start;
    @In public Calendar end;
    @In public int calfield;
    @In public int amount;

    @Out public Calendar current;

    // flag for controlling the iteration
    @Out public boolean done;

    @Execute
    public void execute() {
        if (current == null) {
            current = (Calendar) start.clone();
        } else {
            current.add(calfield, amount);
        }
        done = current.before(end);
    }
}

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package ex06;

import java.util.Calendar;
import oms3.annotations.*;

public class TimeConsumerComponent {

    @In public Calendar current;

    @Execute
    public void execute() {
        System.out.println(current.getTime());
    }
}

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import static oms3.SimBuilder.instance as OMS3

OMS3.sim {
    model(while:"c.done") {
       parameter {
          // specified as Calendar object, not really nice looking, but possibe
          'c.start'       new java.util.GregorianCalendar(2001, 9, 1)

          // ISO Data get's converted into the same GregorianCalendar object,
          // same thing as above, but looks nicer.
          'c.end'         '2001-10-10'

          // static Calendar field constants
          'c.calfield'    java.util.Calendar.DAY_OF_YEAR

          // the number of units to increase
          'c.amount'      1
       }

       components {
          'c' 'ex06.TimeControl'
          'c1' 'ex06.TimeConsumerComponent'
       }

       connect {
         // pass current time to 'c1'
         'c.current'  'c1.current'
       }
    }
}