gistfile1.txt

/**
 * The model behavior for the bathroom fan
 */
class Fan extends Courtesy {

	//it is ok to leave it off if it's all fresh
	protected $position = false;

	/**
	 * If the can was used, fan should be on
	 */
	private function __initialize() {
		if($this->wasCanUsed()) {
			$this->position = true;
		}
	}

	/**
	 * Was the can used for number 1 or number 2
	 */
	public function wasCanUsed($numberDone = 2) {
		return $numberDone == 2;
	}

}