Add functions: Get, TryGet, Set

Author: GeekyMonkey

changes.md

@@ -2,6 +2,12 @@
 
 ## :poop: Change Log
 
+---
+## Version 1.0.2 - 4 March 2018
+
+* Added `TItem Get<TItem>(object key)`
+* Added `bool TryGetValue<TItem>(object key, out TItem value)`
+* Added `TItem Set<TItem>(string cacheGroup, object key, TItem value, double seconds)`
 
 ---
 ## Version 1.0.1 - 3 March 2018

source/DotNetCoreMemoryCacheService.csproj

@@ -17,12 +17,16 @@
     <PackageReleaseNotes>Initial release is not at all "complete".  But it does everything that I need it to do for my project.  Feel free to make a pull request if you need additional functionality.  Should be easy to add to.</PackageReleaseNotes>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageIconUrl>http://geekymonkey.com/favicon.ico</PackageIconUrl>
-    <Version>1.0.1</Version>
+    <Version>1.0.2</Version>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.0.0" />
   </ItemGroup>
 
+  <Target Name="PreBuild" BeforeTargets="PreBuildEvent">
+    <Exec Command="del $(ProjectDir)\bin\Release\*.nupkg&#xD;&#xA;" />
+  </Target>
+
 </Project>

source/MemoryCacheService.cs

@@ -136,16 +136,41 @@ public Task<TItem> GetOrCreateAsync<TItem>(string cacheGroup, object key, double
             }); ;
         }
 
-        /* Future: Additional MemoryCache functions that could be added
-         *
-        public static object Get(this IMemoryCache cache, object key);
-        public static TItem Get<TItem>(this IMemoryCache cache, object key);
-        public static TItem Set<TItem>(this IMemoryCache cache, object key, TItem value);
-        public static TItem Set<TItem>(this IMemoryCache cache, object key, TItem value, DateTimeOffset absoluteExpiration);
-        public static TItem Set<TItem>(this IMemoryCache cache, object key, TItem value, TimeSpan absoluteExpirationRelativeToNow);
-        public static TItem Set<TItem>(this IMemoryCache cache, object key, TItem value, IChangeToken expirationToken);
-        public static TItem Set<TItem>(this IMemoryCache cache, object key, TItem value, MemoryCacheEntryOptions options);
-        public static bool TryGetValue<TItem>(this IMemoryCache cache, object key, out TItem value);
-         */
+        /// <summary>
+        /// Get an item from the cache
+        /// </summary>
+        /// <typeparam name="TItem">Type of item</typeparam>
+        /// <param name="key">Cache key</param>
+        /// <returns>Item from the cache</returns>
+        public TItem Get<TItem>(object key)
+        {
+            return MemoryCache.Get<TItem>(key);
+        }
+
+        /// <summary>
+        /// Try to get a value from the cache
+        /// </summary>
+        /// <typeparam name="TItem">Type of item</typeparam>
+        /// <param name="key">Unique item key</param>
+        /// <param name="value">Output cache item</param>
+        /// <returns>True if found</returns>
+        public bool TryGetValue<TItem>(object key, out TItem value)
+        {
+            return this.MemoryCache.TryGetValue(key, out value);
+        }
+
+        /// <typeparam name="TItem">Type of item</typeparam>
+        /// <param name="cacheGroup">Cache Group name that can be used to remove items from the cache</param>
+        /// <param name="key">Unique item key</param>
+        /// <param name="seconds">Seconds to hold the item in the cache</param>
+        public TItem Set<TItem>(string cacheGroup, object key, TItem value, double seconds)
+        {
+            var options = new MemoryCacheEntryOptions
+            {
+                AbsoluteExpiration = DateTimeOffset.Now.AddSeconds(seconds)
+            };
+            options.ExpirationTokens.Add(new CancellationChangeToken(this.GetOrCreateGroupCancellationToken(cacheGroup).Token));
+            return this.MemoryCache.Set(key, value, options);
+        }
     }
 }