From 91fcbd8b3e7d222b83e0c18b245a3337f610c35e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Halil=20=C4=B0brahim=20Kalkan?= <hi_kalkan@yahoo.com>
Date: Sun, 18 Sep 2022 22:08:58 +0300
Subject: [PATCH] Use TryAdd for adding entitycache

---
 .../EntityCacheServiceCollectionExtensions.cs    | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Caching/EntityCacheServiceCollectionExtensions.cs b/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Caching/EntityCacheServiceCollectionExtensions.cs
index 6bded3c401..f426e9adcb 100644
--- a/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Caching/EntityCacheServiceCollectionExtensions.cs
+++ b/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Caching/EntityCacheServiceCollectionExtensions.cs
@@ -1,4 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace Volo.Abp.Domain.Entities.Caching;
 
@@ -8,11 +9,12 @@ public static class EntityCacheServiceCollectionExtensions
         this IServiceCollection services) 
         where TEntity : Entity<TKey>
     {
-        return services
-            .AddTransient<
+        services
+            .TryAddTransient<
                 IEntityCache<TEntity, TKey>,
                 EntityCacheWithoutCacheItem<TEntity, TKey>
             >();
+        return services;
     }
     
     public static IServiceCollection AddEntityCache<TEntity, TEntityCacheItem, TKey>(
@@ -20,11 +22,12 @@ public static class EntityCacheServiceCollectionExtensions
         where TEntity : Entity<TKey>
         where TEntityCacheItem : class
     {
-        return services
-            .AddTransient<
+        services
+            .TryAddTransient<
                 IEntityCache<TEntityCacheItem, TKey>,
                 EntityCacheWithObjectMapper<TEntity, TEntityCacheItem, TKey>
             >();
+        return services;
     }
 
     public static IServiceCollection AddEntityCache<TObjectMapperContext, TEntity, TEntityCacheItem, TKey>(
@@ -32,10 +35,11 @@ public static class EntityCacheServiceCollectionExtensions
         where TEntity : Entity<TKey>
         where TEntityCacheItem : class
     {
-        return services
-            .AddTransient<
+        services
+            .TryAddTransient<
                 IEntityCache<TEntityCacheItem, TKey>,
                 EntityCacheWithObjectMapperContext<TObjectMapperContext, TEntity, TEntityCacheItem, TKey>
             >();
+        return services;
     }
 }
\ No newline at end of file