[runtime] Overwrite stacktrace for exception on re-throw. Fixes #1856.
[mono.git] / mcs / class / System.Data / Mono.Data.SqlExpressions / In.cs
1 //
2 // In.cs
3 //
4 // Author:
5 //   Juraj Skripsky (juraj@hotfeet.ch)
6 //
7 // (C) 2004 HotFeet GmbH (http://www.hotfeet.ch)
8 //
9
10 //
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
12 //
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
20 // 
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
23 // 
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 //
32
33 using System;
34 using System.Collections;
35 using System.Data;
36
37 namespace Mono.Data.SqlExpressions {
38         internal class In : UnaryExpression {
39                 IList set;
40         
41                 public In(IExpression e, IList set) : base (e)
42                 {
43                         this.set = set;
44                 }
45
46                 public override bool Equals(object obj)
47                 {
48                         if (!base.Equals (obj))
49                                 return false;
50
51                         if (!(obj is In))
52                                 return false;
53
54                         In other = (In) obj;
55                         if (other.set.Count != set.Count)
56                                 return false;   
57
58                         for (int i = 0, count = set.Count; i < count; i++) {
59                                 object o1 = set[i];
60                                 object o2 = other.set[i];
61
62                                 if (o1 == null && o2 != null)
63                                         return false;
64
65                                 if (!o1.Equals(o2))
66                                         return false;
67                         }
68
69                         return true;
70                 }
71
72                 public override int GetHashCode()
73                 {
74                         int hashCode = base.GetHashCode ();
75                         for (int i = 0, count = set.Count; i < count; i++) {
76                                 object o = set[i];
77                                 if (o != null)
78                                         hashCode ^= o.GetHashCode();
79                         }
80
81                         return hashCode;
82                 }
83         
84                 override public object Eval (DataRow row)
85                 {
86                         object o = expr.Eval (row);
87                         if (o == DBNull.Value)
88                                 return o;
89                         IComparable val = o as IComparable;
90                         if (val == null)
91                                 return false;
92
93                         foreach (IExpression e in set) {
94                                 IComparable setItem = (IComparable)e.Eval (row);
95                                 if (setItem == null)
96                                         continue;
97                                 
98                                 if (Comparison.Compare (val, setItem, row.Table.CaseSensitive) == 0)    
99                                         return true;
100                         }
101                         
102                         return false;
103                 }
104
105                 override public bool EvalBoolean (DataRow row)
106                 {
107                         return (bool) Eval (row);
108                 }
109
110         }
111 }