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1 using System;
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2
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3 namespace BLToolkit.Mapping
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4 {
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5 [AttributeUsage(
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6 AttributeTargets.Class | AttributeTargets.Interface |
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7 AttributeTargets.Property | AttributeTargets.Field,
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8 AllowMultiple=true)]
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9 public class MemberMapperAttribute : MapImplicitAttribute
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10 {
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11 public MemberMapperAttribute(Type memberMapperType)
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12 : this(null, memberMapperType)
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13 {
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14 }
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15
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16 public MemberMapperAttribute(Type memberType, Type memberMapperType)
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17 {
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18 if (memberMapperType == null) throw new ArgumentNullException("memberMapperType");
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19
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20 _memberType = memberType;
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21 _memberMapperType = memberMapperType;
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22 }
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23
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24 private readonly Type _memberType;
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25 public Type MemberType
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26 {
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27 get { return _memberType; }
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28 }
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29
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30 private readonly Type _memberMapperType;
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31 public Type MemberMapperType
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32 {
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33 get { return _memberMapperType; }
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34 }
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35
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36 public virtual MemberMapper MemberMapper
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37 {
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38 get
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39 {
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40 var mm = Activator.CreateInstance(_memberMapperType) as MemberMapper;
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41
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42 if (mm == null)
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43 throw new ArgumentException(
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44 string.Format("Type '{0}' is not MemberMapper.", _memberMapperType));
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45
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46 mm.IsExplicit = true;
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47
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48 return mm;
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49 }
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50 }
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51 }
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52 }
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