mcs/class/System.ComponentModel.Composition/Tests/ComponentModelUnitTest/System/ComponentModel/Composition/Factories/ImportDefinitionFactory.DerivedImportDefinition.cs

   1 // -----------------------------------------------------------------------\r
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.\r
   3 // -----------------------------------------------------------------------\r
   4 using System;\r
   5 using System.ComponentModel.Composition;\r
   6 using System.Collections.Generic;\r
   7 using System.Linq.Expressions;\r
   8 using System.ComponentModel.Composition.Primitives;\r
   9 \r
  10 namespace System.ComponentModel.Composition.Factories\r
  11 {\r
  12     partial class ImportDefinitionFactory\r
  13     {\r
  14         private class DerivedImportDefinition : ImportDefinition\r
  15         {\r
  16             private readonly Expression<Func<ExportDefinition, bool>> _constraint;\r
  17             private readonly ImportCardinality _cardinality;\r
  18             private readonly bool _isRecomposable;\r
  19             private readonly bool _isPrerequisite;\r
  20 \r
  21             public DerivedImportDefinition(Expression<Func<ExportDefinition, bool>> constraint, ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite)\r
  22             {\r
  23                 _constraint = constraint ?? (export => false);\r
  24                 _cardinality = cardinality;\r
  25                 _isRecomposable = isRecomposable;\r
  26                 _isPrerequisite = isPrerequisite;\r
  27             }\r
  28 \r
  29             public override ImportCardinality Cardinality\r
  30             {\r
  31                 get { return _cardinality; }\r
  32             }\r
  33 \r
  34             public override bool IsPrerequisite\r
  35             {\r
  36                 get { return _isPrerequisite; }\r
  37             }\r
  38 \r
  39             public override bool IsRecomposable\r
  40             {\r
  41                 get { return _isRecomposable; }\r
  42             }\r
  43 \r
  44             public override Expression<Func<ExportDefinition, bool>> Constraint\r
  45             {\r
  46                 get { return _constraint; }\r
  47             }\r
  48         }\r
  49     }\r
  50 }\r