mcs/class/System.Web.Services/System.Web.Services.Description/OperationMessageCollection.cs

   1 // \r
   2 // System.Web.Services.Description.OperationMessageCollection.cs\r
   3 //\r
   4 // Author:\r
   5 //   Tim Coleman (tim@timcoleman.com)\r
   6 //\r
   7 // Copyright (C) Tim Coleman, 2002\r
   8 //\r
   9 \r
  10 using System.Web.Services;\r
  11 \r
  12 namespace System.Web.Services.Description {\r
  13         public sealed class OperationMessageCollection : ServiceDescriptionBaseCollection {\r
  14 \r
  15                 #region Constructors\r
  16 \r
  17                 internal OperationMessageCollection (Operation operation)\r
  18                         : base (operation)\r
  19                 {\r
  20                 }\r
  21 \r
  22                 #endregion // Constructors\r
  23 \r
  24                 #region Properties\r
  25 \r
  26                 public OperationFlow Flow {\r
  27                         get { \r
  28                                 switch (Count) {\r
  29                                 case 1: \r
  30                                         if (this[0] is OperationInput)\r
  31                                                 return OperationFlow.OneWay;\r
  32                                         else\r
  33                                                 return OperationFlow.Notification;\r
  34                                 case 2:\r
  35                                         if (this[0] is OperationInput)\r
  36                                                 return OperationFlow.RequestResponse;\r
  37                                         else\r
  38                                                 return OperationFlow.SolicitResponse;\r
  39                                 }\r
  40                                 return OperationFlow.None;\r
  41                         }\r
  42                 }\r
  43 \r
  44                 public OperationInput Input {\r
  45                         get { \r
  46                                 foreach (object message in List)\r
  47                                         if (message is OperationInput)\r
  48                                                 return (OperationInput) message;\r
  49                                 return null;\r
  50                         }\r
  51                 }\r
  52         \r
  53                 public OperationMessage this [int index] {\r
  54                         get { return (OperationMessage) List[index]; }\r
  55                         set { List[index] = value; }\r
  56                 }\r
  57 \r
  58                 public OperationOutput Output {\r
  59                         get { \r
  60                                 foreach (object message in List)\r
  61                                         if (message is OperationOutput)\r
  62                                                 return (OperationOutput) message;\r
  63                                 return null;\r
  64                         }\r
  65                 }\r
  66 \r
  67                 #endregion // Properties\r
  68 \r
  69                 #region Methods\r
  70 \r
  71                 public int Add (OperationMessage operationMessage) \r
  72                 {\r
  73                         Insert (Count, operationMessage);\r
  74                         return (Count - 1);\r
  75                 }\r
  76 \r
  77                 public bool Contains (OperationMessage operationMessage)\r
  78                 {\r
  79                         return List.Contains (operationMessage);\r
  80                 }\r
  81 \r
  82                 public void CopyTo (OperationMessage[] array, int index) \r
  83                 {\r
  84                         List.CopyTo (array, index);\r
  85                 }\r
  86 \r
  87                 public int IndexOf (OperationMessage operationMessage)\r
  88                 {\r
  89                         return List.IndexOf (operationMessage);\r
  90                 }\r
  91 \r
  92                 public void Insert (int index, OperationMessage operationMessage)\r
  93                 {\r
  94                         List.Insert (index, operationMessage);\r
  95                 }\r
  96 \r
  97                 protected override void OnInsert (int index, object value)\r
  98                 {\r
  99                         if (Count > 2 || value.GetType () == this [0].GetType ())\r
 100                                 throw new InvalidOperationException ("The operation object can only contain one input and one output message.");\r
 101                 }\r
 102 \r
 103                 protected override void OnSet (int index, object oldValue, object newValue)\r
 104                 {\r
 105                         if (oldValue.GetType () != newValue.GetType ())\r
 106                                 throw new InvalidOperationException ("The message types of the old and new value are not the same.");\r
 107                         base.OnSet (index, oldValue, newValue);\r
 108                 }\r
 109 \r
 110                 protected override void OnValidate (object value)\r
 111                 {\r
 112                         if (value == null)\r
 113                                 throw new NullReferenceException ("The message object is a null reference.");\r
 114                         if (!(value is OperationInput || value is OperationOutput))\r
 115                                 throw new ArgumentException ("The message object is not an input or an output message.");\r
 116                 }\r
 117         \r
 118                 public void Remove (OperationMessage operationMessage)\r
 119                 {\r
 120                         List.Remove (operationMessage);\r
 121                 }\r
 122 \r
 123                 protected override void SetParent (object value, object parent)\r
 124                 {\r
 125                         ((OperationMessage) value).SetParent ((Operation) parent);\r
 126                 }\r
 127                         \r
 128                 #endregion // Methods\r
 129         }\r
 130 }\r