5 // Juraj Skripsky (juraj@hotfeet.ch)
7 // (C) 2004 HotFeet GmbH (http://www.hotfeet.ch)
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
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.
34 using System.Collections;
37 namespace Mono.Data.SqlExpressions {
38 internal class In : UnaryExpression {
41 public In(IExpression e, IList set) : base (e)
46 public override bool Equals(object obj)
48 if (!base.Equals (obj))
55 if (other.set.Count != set.Count)
58 for (int i = 0, count = set.Count; i < count; i++) {
60 object o2 = other.set[i];
62 if (o1 == null && o2 != null)
72 public override int GetHashCode()
74 int hashCode = base.GetHashCode ();
75 for (int i = 0, count = set.Count; i < count; i++) {
78 hashCode ^= o.GetHashCode();
84 override public object Eval (DataRow row)
86 object o = expr.Eval (row);
87 if (o == DBNull.Value)
89 IComparable val = o as IComparable;
93 foreach (IExpression e in set) {
94 IComparable setItem = (IComparable)e.Eval (row);
98 if (Comparison.Compare (val, setItem, row.Table.CaseSensitive) == 0)
105 override public bool EvalBoolean (DataRow row)
107 return (bool) Eval (row);