check issue #15

OpenAuth.Repository/RelevanceRepository.cs

@@ -1,6 +1,7 @@
 using OpenAuth.Domain;
 using OpenAuth.Domain.Interface;
 using System;
+using System.Collections.Generic;
 using System.Linq;
 
 namespace OpenAuth.Repository
@@ -35,20 +36,16 @@ namespace OpenAuth.Repository
         /// <param name="idMaps">关联的&lt;firstId, secondId&gt;数组</param>
         public void AddRelevance(string key, ILookup<Guid, Guid> idMaps)
         {
-            foreach (var sameVals in idMaps)
-            {
-                foreach (var value in sameVals)
-                {
-                    Add(new Relevance
+            DeleteBy(key, idMaps);
+            BatchAdd((from sameVals in idMaps
+                from value in sameVals
+                select new Relevance
                 {
                     Key = key,
                     FirstId = sameVals.Key,
                     SecondId = value,
                     OperateTime = DateTime.Now
-                     });
-                }
-            }
-            Save();
+                }).ToArray());
         }
     }
 }