■ 계약에 대한 별칭을 사용하는 방법을 보여준다.
▶ 예제 코드 (C#)
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using System; using System.Collections; using System.ServiceModel; /// <summary> /// 서점 인터페이스 /// </summary> [ServiceContract(Namespace = "http://noname.com/bookstore", Name = "IMyBookStore")] interface IBookStore { //////////////////////////////////////////////////////////////////////////////////////////////////// Method #region 주문하기 - Order(userID, isbn, amount) /// <summary> /// 주문하기 /// </summary> /// <param name="userID">사용자 ID</param> /// <param name="isbn">ISBN</param> /// <param name="amount">수량</param> /// <returns>주문 ID</returns> [OperationContract(Name="PlaceOrder")] int Order(string userID, string isbn, int amount); #endregion #region 취소하기 - Cancel(orderID) /// <summary> /// 취소하기 /// </summary> /// <param name="orderID">주문 ID</param> /// <returns>처리 결과</returns> [OperationContract(Name="CancelOrder")] bool Cancel(int orderID); #endregion #region 검색하기 - Search(title) /// <summary> /// 검색하기 /// </summary> /// <param name="title">제목</param> /// <returns>제목 배열</returns> [OperationContract(Name="SearchByTitle")] string[] Search(string searchTitle); #endregion #region 검색하기 - Search(title, author) /// <summary> /// 검색하기 /// </summary> /// <param name="title">제목</param> /// <param name="author">저자</param> /// <returns>제목 배열</returns> [OperationContract(Name="SearchByTitleAndAuthor")] string[] Search(string title, string author); #endregion } /// <summary> /// 서점 서비스 /// </summary> [ServiceBehavior(IncludeExceptionDetailInFaults = true)] public class BookStoreService : IBookStore { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 주문 ID /// </summary> private static int _orderID = 0; /// <summary> /// 제목 배열 /// </summary> private static string[] _titleArray = new string[] { "도서 1", "도서 2", "도서 3" }; /// <summary> /// 저자 배열 /// </summary> private static string[] _authorArray = new string[] { "저자 1", "저자 2", "저자 3" }; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 주문하기 - Order(userID, isbn, amount) /// <summary> /// 주문하기 /// </summary> /// <param name="userID">사용자 ID</param> /// <param name="isbn">ISBN</param> /// <param name="amount">수량</param> /// <returns>주문 ID</returns> public int Order(string userID, string isbn, int amount) { int price = GetUnitPrice(isbn) * amount; _orderID += 1; Console.WriteLine ( "도서 주문 : 주문 ID={0}\n 사용자 ID={1}, ISBN={2}, 수량={3}, 가격={4}", _orderID, userID, isbn, amount, price ); return _orderID; } #endregion #region 취소하기 - Cancel(orderID) /// <summary> /// 취소하기 /// </summary> /// <param name="orderID">주문 ID</param> /// <returns>처리 결과</returns> public bool Cancel(int orderID) { Console.WriteLine("취소 주문 : 주문 ID={0}", orderID); return true; } #endregion #region 검색하기 - Search(title) /// <summary> /// 검색하기 /// </summary> /// <param name="title">제목</param> /// <returns>제목 배열</returns> public string[] Search(string title) { ArrayList arrayList = new ArrayList(); for(int i = 0; i < _titleArray.Length; i++) { if(_titleArray[i].StartsWith(title) == true) { arrayList.Add(_titleArray[i]); } } return (string[])arrayList.ToArray(typeof(string)); } #endregion #region 검색하기 - Search(title, author) /// <summary> /// 검색하기 /// </summary> /// <param name="title">제목</param> /// <param name="author">저자</param> /// <returns>제목 배열</returns> public string[] Search(string title, string author) { ArrayList arrayList = new ArrayList(); for(int i = 0; i < _titleArray.Length; i++) { if(_titleArray[i].StartsWith(title) == true && _authorArray[i].StartsWith(author)) { arrayList.Add(_titleArray[i]); } } return (string[])arrayList.ToArray(typeof(string)); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 단가 구하기 - GetUnitPrice(isbn) /// <summary> /// 단가 구하기 /// </summary> /// <param name="isbn">ISBN</param> /// <returns>단가</returns> private int GetUnitPrice(string isbn) { return 35000; } #endregion } |