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1 using System;
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2 using System.Collections.Generic;
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3 using System.Data;
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4 using System.Diagnostics;
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5
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6 using BLToolkit.DataAccess;
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7 using BLToolkit.Reflection;
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8 using BLToolkit.Reflection.Extension;
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9
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10 namespace BLToolkit.Mapping
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11 {
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12 [DebuggerStepThrough]
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13 public class MapMemberInfo
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14 {
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15 public MapMemberInfo()
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16 {
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17 DbType = DbType.Object;
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18 }
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19
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20 public MemberAccessor MemberAccessor { get; set; }
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21 public MemberAccessor ComplexMemberAccessor { get; set; }
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22 public string Name { get; set; }
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23 public string MemberName { get; set; }
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24 public string Storage { get; set; }
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25 public bool IsInheritanceDiscriminator { get; set; }
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26 public bool Trimmable { get; set; }
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27 public bool SqlIgnore { get; set; }
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28 public bool Nullable { get; set; }
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29 public object NullValue { get; set; }
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30 public object DefaultValue { get; set; }
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31 public Type Type { get; set; }
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32 public int DbSize { get; set; }
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33 public bool IsDbTypeSet { get; set; }
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34 public bool IsDbSizeSet { get; set; }
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35 public MappingSchema MappingSchema { get; set; }
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36 public MemberExtension MemberExtension { get; set; }
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37 public DbType DbType { get; set; }
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38 public KeyGenerator KeyGenerator { get; set; }
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39
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40 private MapValue[] _mapValues;
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41 public MapValue[] MapValues
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42 {
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43 get { return _mapValues; }
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44 set
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45 {
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46 _mapValues = value;
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47 if (value != null)
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48 CacheMapValues();
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49 else
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50 {
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51 _mapValueCache = new Dictionary<object, object>();
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52 _origValueCache = new Dictionary<object, object>();
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53 }
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54 }
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55 }
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56
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57 private Dictionary<object,object> _mapValueCache;
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58
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59 public bool TryGetOrigValue(object mapedValue, out object origValue)
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60 {
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61 return _mapValueCache.TryGetValue(mapedValue, out origValue);
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62 }
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63
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64 private Dictionary<object,object> _origValueCache;
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65
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66 public bool TryGetMapValue(object origValue, out object mapValue)
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67 {
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68 return _origValueCache.TryGetValue(origValue, out mapValue);
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69 }
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70
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71 private void CacheMapValues()
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72 {
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73 _mapValueCache = new Dictionary<object,object>();
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74
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75 foreach (var mv in MapValues)
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76 foreach (var mapValue in mv.MapValues)
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77 {
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78 _mapValueCache[mapValue] = mv.OrigValue;
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79
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80 // this fixes spesial case for char
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81 if (mapValue is char)
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82 {
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83 var str = new string(new[] { (char)mapValue });
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84 _mapValueCache[str] = mv.OrigValue;
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85 }
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86 }
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87
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88 _origValueCache = new Dictionary<object, object>();
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89
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90 foreach (var mv in MapValues)
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91 {
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92 // previous behaviour - first wins!
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93 // yah, no...
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94 // any wins - attributes order is not specified
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95 // and memberInfo.GetCustomAttributes(...) order and can differ
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96 if (!_origValueCache.ContainsKey(mv.OrigValue))
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97 _origValueCache[mv.OrigValue] = mv.MapValues[0];
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98 }
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99 }
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100 }
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101 }
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