Kyuuyoprog.as（ドキュメントクラス)

package  {
	import flash.display.Sprite;

	/**
	 * ...
	 * @author 393
	 */
	public class KyuuyoProg extends Sprite {

		public function KyuuyoProg() {
			init();
		}

		private function init():void{
			var shacho:Shacho = new Shacho(10000);
			var shainAdapter:ShainAdapter = new ShainAdapter(shacho);

			var shachokyuuyo:Number = getKyuuyo(shainAdapter);

			var shain1:Shain = new Shain(90, 80);

			var kyuuyo:Number = getKyuuyo(shain1);
			trace( "shachokyuuyo : " + shachokyuuyo );
                       //出力：shachokyuuyo : 10000
			trace( "kyuuyo : " + kyuuyo );
                       //出力：kyuuyo : 5670
		}

		private function getKyuuyo(obj:Shain):Number{
			return obj.getJikan() * obj.getJikyu();
		}

	}

}

Shain.as

package  {

	/**
	 * ...
	 * @author 393
	 */
	public class Shain {
		private var _jikyu:Number;
		private var _jikan:Number;

		public function Shain(jikyu:Number = 0, jikan:Number = 0) {
			this._jikyu= jikyu;
			this._jikan= jikan;
		}
		public function getJikan():Number {
			//搾取
			return _jikan - 10;
		}
		public function getJikyu():Number {
			//搾取
			return _jikyu * 0.9;
		}

	}

}

Shacho.as

package  {

	/**
	 * ...
	 * @author 393
	 */
	public class Shacho {
		private var _koteikyu:Number;

		public function Shacho(koteikyu:Number) {
			_koteikyu = koteikyu
		}

		public function get koteikyu():Number { return _koteikyu; }

	}

}

ShainAdapter.as（アダプタークラス）

package  {

	/**
	 * ...
	 * @author 393
	 */
	public class ShainAdapter extends Shain {
		private var shachoObj:Shacho;

		public function ShainAdapter(obj:Shacho) {
			shachoObj = obj;
		}

		public override function getJikan():Number {
			return 1;
		}
		public override function getJikyu():Number {
			return shachoObj.koteikyu;
		}

	}

}