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

   1 //
   2 // System.Web.UI.ExpressionBinding.cs
   3 //
   4 // Authors:
   5 //      Sanjay Gupta gsanjay@novell.com)
   6 //
   7 // (C) 2004 Novell, Inc. (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32 using System;
  33
  34 namespace System.Web.UI {
  35         public sealed class ExpressionBinding
  36         {
  37                 string propertyName;
  38                 Type propertyType;
  39                 string expression;
  40                 string prefix;
  41                 bool generated;
  42
  43                 public ExpressionBinding (string propertyName, Type propertyType,
  44                                         string expressionPrefix, string expression)
  45                 {
  46                         this.propertyName = propertyName;
  47                         this.propertyType = propertyType;
  48                         this.prefix = expressionPrefix;
  49                         this.expression = expression;
  50                         this.generated = false;
  51                 }
  52
  53                 public string Expression {
  54                         get { return expression; }
  55                         set { expression = value; }
  56                 }
  57
  58                 public string ExpressionPrefix {
  59                         get { return prefix; }
  60                         set { prefix = value; }
  61                 }
  62
  63                 public bool Generated {
  64                         get { return generated; }
  65                 }
  66
  67                 public string PropertyName {
  68                         get { return propertyName; }
  69                 }
  70
  71                 public Type PropertyType {
  72                         get { return propertyType; }
  73                 }
  74
  75                 public override bool Equals (object obj)
  76                 {
  77                         if (!(obj is ExpressionBinding))
  78                                 return false;
  79
  80                         ExpressionBinding o = (ExpressionBinding)obj;
  81                         return (o.Expression == expression &&
  82                                 o.ExpressionPrefix == prefix &&
  83                                 o.PropertyName == propertyName &&
  84                                 o.PropertyType == propertyType);
  85                 }
  86
  87                 public override int GetHashCode ()
  88                 {
  89                         return propertyName.GetHashCode () +
  90                                (propertyType.GetHashCode () << 1) +
  91                                (prefix.GetHashCode () << 2) +
  92                                 (expression.GetHashCode () << 3);
  93                 }
  94         }
  95 }
  96 #endif