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comparison Source/Data/Sql/JoinOn.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4
5 namespace BLToolkit.Data.Sql
6 {
7 using Reflection.Extension;
8
9 public class JoinOn : IQueryElement, ICloneableElement
10 {
11 public JoinOn()
12 {
13 }
14
15 public JoinOn(string field, string otherField)
16 {
17 _field = field;
18 _otherField = otherField;
19 }
20
21 public JoinOn(string field, string otherField, string expression)
22 {
23 _field = field;
24 _otherField = otherField;
25 _expression = expression;
26 }
27
28 public JoinOn(AttributeExtension ext)
29 {
30 _field = (string)ext["Field"];
31 _otherField = (string)ext["OtherField"];
32 _expression = (string)ext["Expression"];
33 }
34
35 private string _field;
36 public string Field { get { return _field; } set { _field = value; } }
37
38 private string _otherField;
39 public string OtherField { get { return _otherField; } set { _otherField = value; } }
40
41 private string _expression;
42 public string Expression { get { return _expression; } set { _expression = value; } }
43
44 #region IQueryElement Members
45
46 public QueryElementType ElementType { get { return QueryElementType.JoinOn; } }
47
48 StringBuilder IQueryElement.ToString(StringBuilder sb, Dictionary<IQueryElement,IQueryElement> dic)
49 {
50 return sb;
51 }
52
53 #endregion
54
55 #region ICloneableElement Members
56
57 public ICloneableElement Clone(Dictionary<ICloneableElement, ICloneableElement> objectTree, Predicate<ICloneableElement> doClone)
58 {
59 if (!doClone(this))
60 return this;
61
62 ICloneableElement clone;
63
64 if (!objectTree.TryGetValue(this, out clone))
65 objectTree.Add(this, clone = new JoinOn(_field, _otherField, _expression));
66
67 return clone;
68 }
69
70 #endregion
71 }
72 }