class/System.ComponentModel.Composition/src/ComponentModel/System/ComponentModel/Composition/ExportServices.DisposableLazy.cs

   1 // -----------------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 // -----------------------------------------------------------------------
   4 using System;
   5 using System.ComponentModel.Composition.Primitives;
   6 using System.Globalization;
   7 using Microsoft.Internal;
   8 using System.Collections.Generic;
   9
  10 namespace System.ComponentModel.Composition
  11 {
  12     partial class ExportServices
  13     {
  14         private sealed class DisposableLazy<T, TMetadataView> : Lazy<T, TMetadataView>, IDisposable
  15         {
  16             private IDisposable _disposable;
  17
  18             public DisposableLazy(Func<T> valueFactory, TMetadataView metadataView, IDisposable disposable)
  19                 : base(valueFactory, metadataView)
  20             {
  21                 Assumes.NotNull(disposable);
  22
  23                 this._disposable = disposable;
  24             }
  25
  26             void IDisposable.Dispose()
  27             {
  28                 this._disposable.Dispose();
  29             }
  30         }
  31
  32         private sealed class DisposableLazy<T> : Lazy<T>, IDisposable
  33         {
  34             private IDisposable _disposable;
  35
  36             public DisposableLazy(Func<T> valueFactory, IDisposable disposable)
  37                 : base(valueFactory)
  38             {
  39                 Assumes.NotNull(disposable);
  40
  41                 this._disposable = disposable;
  42             }
  43
  44             void IDisposable.Dispose()
  45             {
  46                 this._disposable.Dispose();
  47             }
  48         }
  49     }
  50 }