mcs/class/System.XML/System.Xml.Serialization/TypeMember.cs

   1 using System;\r
   2 using System.Collections;\r
   3 \r
   4 namespace System.Xml.Serialization\r
   5 {\r
   6         /// <summary>\r
   7         /// TypeMember is immutable class which is used as a key in a Hashtable.\r
   8         /// </summary>\r
   9 \r
  10         internal sealed class TypeMember\r
  11         {\r
  12                 Type type;\r
  13                 string member;\r
  14                 internal TypeMember(Type type, string member)\r
  15                 {\r
  16                         this.type = type;\r
  17                         this.member = member;\r
  18                 }\r
  19 \r
  20                 public override int GetHashCode()\r
  21                 {\r
  22                         return unchecked (type.GetHashCode() + member.GetHashCode());\r
  23                 }\r
  24 \r
  25                 public override bool Equals(object obj)\r
  26                 {\r
  27                         if(obj is TypeMember)\r
  28                                 return TypeMember.Equals(this,(TypeMember)obj);\r
  29                         \r
  30                         return false;\r
  31                 }\r
  32 \r
  33                 public static bool Equals(TypeMember tm1, TypeMember tm2)\r
  34                 {\r
  35                         if(Object.ReferenceEquals(tm1,tm2))\r
  36                                 return true;\r
  37                         if(Object.ReferenceEquals(tm1,null) || Object.ReferenceEquals(tm2,null))\r
  38                                 return false;\r
  39                         if(tm1.type == tm2.type && tm1.member == tm2.member)\r
  40                                 return true;\r
  41                         return false;\r
  42                 }\r
  43 \r
  44                 public static bool operator==(TypeMember tm1, TypeMember tm2)\r
  45                 {\r
  46                         return TypeMember.Equals(tm1,tm2);\r
  47                 }\r
  48 \r
  49                 public static bool operator!=(TypeMember tm1, TypeMember tm2)\r
  50                 {\r
  51                         return !TypeMember.Equals(tm1,tm2);\r
  52                 }\r
  53         }\r
  54 }\r