class1.cs

《深入浅出设计模式》的完整源代码

using System;
using System.Collections;

namespace CreateHouse
{
	public interface IHouse
	{
		bool GetBackyard();
		long NoOfRooms();
		string  Description();
	}
	
	public class CApt:IHouse 
	{ 
		private bool mblnBackyard ; 
		private Hashtable Rooms ; 

		public CApt () 
		{ 
			CRoom room ; 
			Rooms = new Hashtable (); 
			room = new CRoom (); 
			room . RoomName = "Master Bedroom" ; 
			Rooms . Add ( "room1" , room ); 

			room = new CRoom (); 
			room . RoomName = "Second Bedroom" ; 
			Rooms . Add ( "room2" , room ); 

			room = new CRoom (); 
			room . RoomName = "Living Room" ; 
			Rooms . Add ( "room3" , room ); 

			mblnBackyard = false ; 
		} 

		public bool GetBackyard () 
		{ 
			return mblnBackyard ; 
		} 

		public long NoOfRooms () 
		{ 
			return Rooms . Count ; 
		} 

		public string Description () 
		{ 
			IDictionaryEnumerator myEnumerator = Rooms . GetEnumerator (); 
			string strDescription ; 
			strDescription = "This is an Apartment with " + Rooms . Count + 
				" Rooms \n" ; 
			strDescription = strDescription + "This Apartment doesn't have " + 
				"a backyard \n" ; 
			while ( myEnumerator . MoveNext ()) 
			{ 
				strDescription = strDescription + "\n" + myEnumerator . Key + "\t" 
					+ (( CRoom ) myEnumerator . Value ). RoomName ; 
			} 
			return strDescription ; 
		} 
	} 

	public class CSFH:IHouse 
	{ 
		private bool mblnBackyard ; 
		private Hashtable Rooms ; 

		public CSFH () 
		{ 
			CRoom room ; 
			Rooms = new Hashtable (); 

			room = new CRoom (); 
			room . RoomName = "Master Bedroom" ; 
			Rooms . Add ( "room1" , room ); 

			room = new CRoom (); 
			room . RoomName = "Second Bedroom" ; 
			Rooms . Add ( "room2" , room ); 

			room = new CRoom (); 
			room . RoomName = "Third Room" ; 
			Rooms . Add ( "room3" , room ); 

			room = new CRoom (); 
			room . RoomName = "Living Room" ; 
			Rooms . Add ( "room4" , room ); 

			room = new CRoom (); 
			room . RoomName = "Guest Room" ; 
			Rooms . Add ( "room5" , room ); 

			mblnBackyard = true ; 

		} 

		public bool GetBackyard () 
		{ 
			return mblnBackyard ; 
		} 

		public long NoOfRooms () 
		{ 
			return Rooms . Count ; 
		} 

		public string Description () 
		{ 
			IDictionaryEnumerator myEnumerator = Rooms . GetEnumerator (); 
			string strDescription ; 
			strDescription = "This is an Single Family Home with " + Rooms . Count 
				+ " Rooms \n" ; 
			strDescription = strDescription + "This house has a backyard \n" ; 
			while ( myEnumerator . MoveNext ()) 
			{ 
				strDescription = strDescription + "\n" + myEnumerator . Key + "\t" 
					+ (( CRoom ) myEnumerator . Value ). RoomName ; 
			} 
			return strDescription ; 
		} 
	} 

	public interface IRoom 
	{ 
		string RoomName{get;set;} 
	} 

	public class CRoom:IRoom 
	{ 
		private string mstrRoomName ; 
		public string RoomName 
		{ 
			get 
			{ 
				return mstrRoomName ; 
			} 
			set 
			{ 
				mstrRoomName = value ; 
			} 
		} 
	} 

	public class CDirector 
	{ 
		public IHouse BuildHouse ( bool blnBackyard ) 
		{ 
			if ( blnBackyard ) 
			{ 
				return new CSFH (); 
			} 
			else 
			{ 
				return new CApt (); 
			} 
		} 
	} 

	public class Client 
	{ 
		static void Main ( string [] args ) 
		{ 
			CDirector objDirector = new CDirector (); 
			IHouse objHouse ; 
			objHouse = objDirector.BuildHouse ( true); 
			Console.WriteLine ( objHouse . Description ()); 
			Console.Read();
		} 
	} 

}