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) 2004-2010 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 using System;
  32
  33 namespace System.Web.UI {
  34         public sealed class ExpressionBinding
  35         {
  36                 string propertyName;
  37                 Type propertyType;
  38                 string expression;
  39                 string prefix;
  40                 bool generated;
  41
  42                 public ExpressionBinding (string propertyName, Type propertyType,
  43                                         string expressionPrefix, string expression)
  44                 {
  45                         this.propertyName = propertyName;
  46                         this.propertyType = propertyType;
  47                         this.prefix = expressionPrefix;
  48                         this.expression = expression;
  49                         this.generated = false;
  50                 }
  51
  52                 public string Expression {
  53                         get { return expression; }
  54                         set { expression = value; }
  55                 }
  56
  57                 public string ExpressionPrefix {
  58                         get { return prefix; }
  59                         set { prefix = value; }
  60                 }
  61
  62                 public bool Generated {
  63                         get { return generated; }
  64                 }
  65
  66                 public string PropertyName {
  67                         get { return propertyName; }
  68                 }
  69
  70                 public Type PropertyType {
  71                         get { return propertyType; }
  72                 }
  73
  74                 public override bool Equals (object obj)
  75                 {
  76                         if (!(obj is ExpressionBinding))
  77                                 return false;
  78
  79                         ExpressionBinding o = (ExpressionBinding)obj;
  80                         return (o.Expression == expression &&
  81                                 o.ExpressionPrefix == prefix &&
  82                                 o.PropertyName == propertyName &&
  83                                 o.PropertyType == propertyType);
  84                 }
  85
  86                 public override int GetHashCode ()
  87                 {
  88                         return propertyName.GetHashCode () +
  89                                (propertyType.GetHashCode () << 1) +
  90                                (prefix.GetHashCode () << 2) +
  91                                 (expression.GetHashCode () << 3);
  92                 }
  93         }
  94 }