mcs/class/System.Web/System.Web.UI/DataBinding.cs

   1 //
   2 // System.Web.UI.DataBinding.cs
   3 //
   4 // Authors:
   5 //      Duncan Mak  (duncan@ximian.com)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // (C) 2002 Ximian, Inc. (http://www.ximian.com)
   9 //
  10
  11 using System;
  12
  13 namespace System.Web.UI {
  14
  15         public sealed class DataBinding
  16         {
  17                 string propertyName;
  18                 Type propertyType;
  19                 string expression;
  20
  21                 public DataBinding (string propertyName, Type propertyType,
  22                                     string expression)
  23                 {
  24                         this.propertyName = propertyName;
  25                         this.propertyType = propertyType;
  26                         this.expression = expression;
  27                 }
  28
  29                 public string Expression {
  30                         get { return expression; }
  31                         set { expression = value; }
  32                 }
  33
  34                 public string PropertyName {
  35                         get { return propertyName; }
  36                 }
  37
  38                 public Type PropertyType {
  39                         get { return propertyType; }
  40                 }
  41
  42                 public override bool Equals (object obj)
  43                 {
  44                         if (!(obj is DataBinding))
  45                                 return false;
  46
  47                         DataBinding o = (DataBinding) obj;
  48                         return (o.Expression == expression &&
  49                                 o.PropertyName == propertyName &&
  50                                 o.PropertyType == propertyType);
  51                 }
  52
  53                 public override int GetHashCode ()
  54                 {
  55                         return propertyName.GetHashCode () +
  56                                (propertyType.GetHashCode () << 1) +
  57                                (expression.GetHashCode () << 2) ;
  58                 }
  59         }
  60 }