Design Patterns Java™ Workbook

Appendix B. Solutions

public void complete()
{
door.setState(door.CLOSED);
}
}

SOLUTION 22.5....................................................................................................................................

Figure B.25 shows a reasonable diagram. The code for this refactoring is in
the com.oozinoz.carousel_sol package.

Figure B.25. This diagram shows the Door and DoorState classes sharing constants that

DoorConstants defines.

The code for DoorConstants is: