create new class to inherit from the DistributedCacheEntryOptions to …

…provide flexiblity w/token cache lifetime (#266)

src/Microsoft.Identity.Web/TokenCacheProviders/Distributed/MsalDistributedTokenCacheAdapter.cs

@@ -23,7 +23,7 @@ public class MsalDistributedTokenCacheAdapter : MsalAbstractTokenCacheProvider
  /// <summary>
  /// MSAL memory token cache options.
  /// </summary>
- private readonly DistributedCacheEntryOptions _cacheOptions;
+ private readonly MsalDistributedTokenCacheAdapterOptions _cacheOptions;
 
  /// <summary>
  /// Initializes a new instance of the <see cref="MsalDistributedTokenCacheAdapter"/> class.
@@ -36,7 +36,7 @@ public MsalDistributedTokenCacheAdapter(
  IOptions<MicrosoftIdentityOptions> microsoftIdentityOptions,
  IHttpContextAccessor httpContextAccessor,
  IDistributedCache memoryCache,
- IOptions<DistributedCacheEntryOptions> cacheOptions)
+ IOptions<MsalDistributedTokenCacheAdapterOptions> cacheOptions)
  : base(microsoftIdentityOptions, httpContextAccessor)
  {
  if (cacheOptions == null)

src/Microsoft.Identity.Web/TokenCacheProviders/Distributed/MsalDistributedTokenCacheAdapterOptions.cs

@@ -0,0 +1,16 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using Microsoft.Extensions.Caching.Distributed;
+
+namespace Microsoft.Identity.Web.TokenCacheProviders.Distributed
+{
+ /// <summary>
+ /// Options for the MSAL token cache serialization adapter,
+ /// which delegates the serialization to the IDistributedCache implementations
+ /// available with .NET Core.
+ /// </summary>
+ public class MsalDistributedTokenCacheAdapterOptions : DistributedCacheEntryOptions
+ {
+ }
+}