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

   1
   2 //
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   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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  21 //
  22 using System;\r
  23 using System.Collections;\r
  24 \r
  25 namespace System.Xml.Serialization\r
  26 {\r
  27         /// <summary>\r
  28         /// TypeMember is immutable class which is used as a key in a Hashtable.\r
  29         /// </summary>\r
  30 \r
  31         internal sealed class TypeMember\r
  32         {\r
  33                 Type type;\r
  34                 string member;\r
  35                 internal TypeMember(Type type, string member)\r
  36                 {\r
  37                         this.type = type;\r
  38                         this.member = member;\r
  39                 }\r
  40 \r
  41                 public override int GetHashCode()\r
  42                 {\r
  43                         return unchecked (type.GetHashCode() + member.GetHashCode());\r
  44                 }\r
  45 \r
  46                 public override bool Equals(object obj)\r
  47                 {\r
  48                         if(obj is TypeMember)\r
  49                                 return TypeMember.Equals(this,(TypeMember)obj);\r
  50                         \r
  51                         return false;\r
  52                 }\r
  53 \r
  54                 public static bool Equals(TypeMember tm1, TypeMember tm2)\r
  55                 {\r
  56                         if(Object.ReferenceEquals(tm1,tm2))\r
  57                                 return true;\r
  58                         if(Object.ReferenceEquals(tm1,null) || Object.ReferenceEquals(tm2,null))\r
  59                                 return false;\r
  60                         if(tm1.type == tm2.type && tm1.member == tm2.member)\r
  61                                 return true;\r
  62                         return false;\r
  63                 }\r
  64 \r
  65                 public static bool operator==(TypeMember tm1, TypeMember tm2)\r
  66                 {\r
  67                         return TypeMember.Equals(tm1,tm2);\r
  68                 }\r
  69 \r
  70                 public static bool operator!=(TypeMember tm1, TypeMember tm2)\r
  71                 {\r
  72                         return !TypeMember.Equals(tm1,tm2);\r
  73                 }\r
  74                 \r
  75                 public override string ToString ()\r
  76                 {\r
  77                         return type.ToString() + " " + member;\r
  78                 }\r
  79         }\r
  80 }\r