Implemented ExecuteGet (multi-get) with tests

Enyim.Caching.Tests/MemcachedClientGetTests.cs

@@ -59,6 +59,23 @@ public void When_Generic_Getting_Existing_Item_Value_Is_Not_Null_And_Result_Is_S
 			Assert.That(getResult.Value, Is.EqualTo(value), "Actual value was not expected value: " + getResult.Value);
 		}
 
+		[Test]
+		public void When_Getting_Multiple_Keys_Result_Is_Successful()
+		{
+			var keys = GetUniqueKeys().Distinct();
+			foreach (var key in keys)
+			{
+				Store(key: key, value: "Value for" + key);
+			}
+
+			var dict = _Client.ExecuteGet(keys);
+			Assert.That(dict.Keys.Count, Is.EqualTo(keys.Count()), "Keys count did not match results count");
+
+			foreach (var key in dict.Keys)
+			{
+				Assert.That(dict[key].Success, Is.True, "Get failed for key: " + key);
+			}
+		}
 	}
 }
 

Enyim.Caching.Tests/MemcachedClientTestsBase.cs

@@ -31,6 +31,18 @@ protected string GetUniqueKey(string prefix = null)
 				"unit_test_" + DateTime.Now.Ticks;
 		}
 
+		protected IEnumerable<string> GetUniqueKeys(string prefix = null, int max = 5)
+		{
+
+			var keys = new List<string>(max);
+			for (int i = 0; i < max; i++)
+			{
+				keys.Add(GetUniqueKey(prefix));
+			}
+
+			return keys;
+		}
+
 		protected string GetRandomString()
 		{
 			var rand = new Random((int)DateTime.Now.Ticks).Next();

Enyim.Caching/Memcached/IMemcachedResultsClient.cs

@@ -13,6 +13,7 @@ public interface IMemcachedResultsClient
 	{
 		IGetOperationResult ExecuteGet(string key);
 		IGetOperationResult<T> ExecuteGet<T>(string key);
+		IDictionary<string, IGetOperationResult> ExecuteGet(IEnumerable<string> keys);
 
 		IGetOperationResult ExecuteTryGet(string key, out object value);
 

Enyim.Caching/MemcachedClient.Results.cs

@@ -178,6 +178,23 @@ public IGetOperationResult<T> ExecuteGet<T>(string key)
 			return result;
 		}
 
+		/// <summary>
+		/// Retrieves multiple items from the cache.
+		/// </summary>
+		/// <param name="keys">The list of identifiers for the items to retrieve.</param>
+		/// <returns>a Dictionary holding all items indexed by their key.</returns>
+		public IDictionary<string, IGetOperationResult> ExecuteGet(IEnumerable<string> keys)
+		{
+			return PerformMultiGet<IGetOperationResult>(keys, (mget, kvp) =>
+			{
+				var result = GetOperationResultFactory.Create();
+				result.Value = this.transcoder.Deserialize(kvp.Value);
+				result.Cas = mget.Cas[kvp.Key];
+				result.Success = true;
+				return result;
+			});
+		}
+
 		#endregion
 
 		#region [ Mutate				]