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1 using System;
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2
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3 using BLToolkit.Common;
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4 using BLToolkit.Properties;
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5
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6 namespace BLToolkit.DataAccess
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7 {
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8 [AttributeUsage(AttributeTargets.Method), CLSCompliant(false)]
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9 public class IndexAttribute : Attribute
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10 {
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11 public IndexAttribute(params string[] names)
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12 {
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13 if (null == names)
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14 throw new ArgumentNullException("names");
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15
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16 if (names.Length == 0)
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17 throw new ArgumentException(Resources.MapIndex_EmptyNames, "names");
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18
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19 _fields = NameOrIndexParameter.FromStringArray(names);
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20 }
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21
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22 public IndexAttribute(params int[] indices)
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23 {
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24 if (null == indices)
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25 throw new ArgumentNullException("indices");
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26
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27 if (indices.Length == 0)
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28 throw new ArgumentException(Resources.MapIndex_EmptyIndices, "indices");
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29
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30 _fields = NameOrIndexParameter.FromIndexArray(indices);
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31 }
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32
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33 public IndexAttribute(params NameOrIndexParameter[] fields)
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34 {
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35 if (null == fields)
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36 throw new ArgumentNullException("fields");
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37
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38 if (fields.Length == 0)
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39 throw new ArgumentException(Resources.MapIndex_EmptyFields, "fields");
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40
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41 _fields = fields;
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42 }
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43
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44 private readonly NameOrIndexParameter[] _fields;
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45 public NameOrIndexParameter[] Fields
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46 {
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47 get { return _fields; }
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48 }
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49 }
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50 }
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