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1 using System;
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2 using System.Collections.Generic;
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3
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4 using NUnit.Framework;
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5
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6 using BLToolkit.Common;
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7 using BLToolkit.DataAccess;
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8 using BLToolkit.Mapping;
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9
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10 namespace HowTo.DataAccess
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11 {
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12 [TestFixture]
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13 public class ExecuteDictionary1
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14 {
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15 public class Person
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16 {
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17 [MapField("PersonID"), /*[a]*/PrimaryKey/*[/a]*/]
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18 public int /*[a]*/ID/*[/a]*/;
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19
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20 public string LastName;
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21 public string FirstName;
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22 public string MiddleName;
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23 }
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24
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25 public abstract class /*[a]*/PersonAccessor/*[/a]*/ : /*[a]*/DataAccessor/*[/a]*/<Person>
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26 {
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27 // This method uses Person class primary key information.
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28 //
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29 [ActionName("SelectAll")]
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30 public abstract /*[a]*/Dictionary<int,Person>/*[/a]*/ GetPersonDictionary1();
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31
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32 // Define index field explicitly. "ID" is a field name of the Person class.
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33 //
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34 [ActionName("SelectAll")]
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35 [/*[a]*/Index("ID")/*[/a]*/]
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36 public abstract /*[a]*/Dictionary<int,Person>/*[/a]*/ GetPersonDictionary2();
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37
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38 // Define index field explicitly. "@PersonID" is a recordset field.
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39 // Note that the '@' symbol enforces the library to read index value
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40 // from recordset (not from object).
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41 //
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42 [ActionName("SelectAll")]
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43 [/*[a]*/Index("@PersonID")/*[/a]*/]
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44 public abstract /*[a]*/Dictionary<int,Person>/*[/a]*/ GetPersonDictionary3();
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45
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46 // This method reads a dictionary containing scalar values.
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47 //
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48 [SqlQuery("SELECT PersonID, FirstName FROM Person")]
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49 [/*[a]*/Index("PersonID")/*[/a]*/]
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50 [/*[a]*/ScalarFieldName("FirstName")/*[/a]*/]
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51 public abstract /*[a]*/Dictionary<int,string>/*[/a]*/ GetPersonNameDictionary();
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52 }
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53
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54 [Test]
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55 public void Test()
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56 {
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57 PersonAccessor pa = DataAccessor.CreateInstance<PersonAccessor>();
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58
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59 // ExecuteDictionary.
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60 //
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61 Dictionary<int,Person> dic;
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62
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63 dic = pa.GetPersonDictionary1();
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64 dic = pa.GetPersonDictionary2();
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65 dic = pa.GetPersonDictionary3();
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66
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67 foreach (int id in dic.Keys)
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68 Console.WriteLine("{0}: {1} {2}", id, dic[id].FirstName, dic[id].LastName);
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69
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70 // ExecuteScalarDictionary.
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71 //
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72 Dictionary<int,string> sdic = pa.GetPersonNameDictionary();
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73
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74 foreach (int id in dic.Keys)
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75 Console.WriteLine("{0}: {1}", id, sdic[id]);
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76 }
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77 }
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78
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79 [TestFixture]
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80 public class ExecuteDictionary2
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81 {
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82 // This example demonstrates how to use a multiple field key.
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83 //
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84 public class Person
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85 {
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86 [/*[a]*/PrimaryKey(1)/*[/a]*/, MapField("PersonID")]
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87 public int ID;
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88 [/*[a]*/PrimaryKey(2)/*[/a]*/]
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89 public string LastName;
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90
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91 public string FirstName;
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92 public string MiddleName;
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93 }
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94
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95 public abstract class /*[a]*/PersonAccessor/*[/a]*/ : /*[a]*/DataAccessor/*[/a]*/<Person>
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96 {
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97 // This method uses Person class primary key information.
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98 // Note that the key type of the dictionary must be of /*[a]*/IndexValue/*[/a]*/ type.
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99 // It is required if the index consists of more than one element.
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100 //
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101 [ActionName("SelectAll")]
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102 public abstract /*[a]*/Dictionary<CompoundValue,Person>/*[/a]*/ GetPersonDictionary();
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103
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104 // This method reads a dictionary containing scalar values.
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105 //
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106 [SqlQuery("SELECT PersonID, LastName, FirstName FROM Person")]
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107 [/*[a]*/Index("PersonID", "LastName")/*[/a]*/]
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108 [/*[a]*/ScalarFieldName("FirstName")/*[/a]*/]
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109 public abstract /*[a]*/Dictionary<CompoundValue,string>/*[/a]*/ GetPersonNameDictionary();
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110 }
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111
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112 [Test]
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113 public void Test()
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114 {
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115 PersonAccessor pa = DataAccessor.CreateInstance<PersonAccessor>();
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116
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117 // ExecuteDictionary.
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118 //
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119 Dictionary<CompoundValue,Person> dic = pa.GetPersonDictionary();
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120
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121 foreach (CompoundValue idx in dic.Keys)
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122 Console.WriteLine("{0}: {1} {2}", dic[idx].ID, dic[idx].FirstName, dic[idx].LastName);
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123
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124 // ExecuteScalarDictionary.
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125 //
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126 Dictionary<CompoundValue,string> sdic = pa.GetPersonNameDictionary();
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127
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128 string firstName = sdic[new CompoundValue(2, "Testerson")];
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129
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130 Assert.AreEqual("Tester", firstName);
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131 }
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132 }
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133 }
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