5 // Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
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7 // Permission is hereby granted, free of charge, to any person obtaining a copy
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8 // of this software and associated documentation files (the "Software"), to deal
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9 // in the Software without restriction, including without limitation the rights
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10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 // copies of the Software, and to permit persons to whom the Software is
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12 // furnished to do so, subject to the following conditions:
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14 // The above copyright notice and this permission notice shall be included in
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15 // all copies or substantial portions of the Software.
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17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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28 using DbLinq.Schema.Dbml;
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30 namespace DbLinq.Util
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33 /// Executes a given SQL command, with parameter and delegate
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36 // TODO: once R# is fixed with internal extension methods problems, switch to full internal
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37 public // DataCommand is used by vendors
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39 static class DbmlExtensions
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42 /// Returns the reverse association
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44 /// <param name="schema"></param>
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45 /// <param name="association"></param>
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46 /// <returns></returns>
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47 public static Association GetReverseAssociation(this Database schema, Association association)
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49 // we use Single() because we NEED the opposite association
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50 // (and it must be here
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51 var reverseTable = (from t in schema.Table where t.Type.Name == association.Type select t).Single();
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52 // same thing for association
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53 var reverseAssociation = (from a in reverseTable.Type.Associations
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54 where a.Name == association.Name && a != association
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56 return reverseAssociation;
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