Refactor `AbpMongoClientFactory`.

framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/AbpMongoDbModule.cs

@@ -8,7 +8,6 @@ using Volo.Abp.Domain;
 using Volo.Abp.Domain.Entities.Events.Distributed;
 using Volo.Abp.Domain.Repositories.MongoDB;
 using Volo.Abp.Modularity;
-using Volo.Abp.MongoDB.Clients;
 using Volo.Abp.MongoDB.DependencyInjection;
 using Volo.Abp.Uow.MongoDB;
 using Volo.Abp.MongoDB.DistributedEvents;
@@ -31,8 +30,6 @@ public class AbpMongoDbModule : AbpModule
 
     public override void ConfigureServices(ServiceConfigurationContext context)
     {
-        context.Services.AddSingleton<IMongoClientFactory, MongoClientFactory>();
-
         context.Services.TryAddTransient(
             typeof(IMongoDbContextProvider<>),
             typeof(UnitOfWorkMongoDbContextProvider<>)
@@ -64,4 +61,4 @@ public class AbpMongoDbModule : AbpModule
             options.IgnoredEventSelectors.Add<IncomingEventRecord>();
         });
     }
-}
+}

framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/Clients/AbpMongoClientFactory.cs

@@ -0,0 +1,44 @@
+using System.Collections.Concurrent;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Options;
+using MongoDB.Driver;
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.MongoDB.Clients;
+
+public class AbpMongoClientFactory : IAbpMongoClientFactory, ISingletonDependency
+{
+    protected ConcurrentDictionary<string, MongoClient> ClientCache { get; }
+    protected AbpMongoDbContextOptions Options { get; }
+
+    public AbpMongoClientFactory(IOptions<AbpMongoDbContextOptions> options)
+    {
+        Options = options.Value;
+        ClientCache = new ConcurrentDictionary<string, MongoClient>();
+    }
+
+    public virtual Task<MongoClient> GetAsync(MongoUrl mongoUrl)
+    {
+        Check.NotNull(mongoUrl, nameof(mongoUrl));
+
+        return Task.FromResult(
+            ClientCache.GetOrAdd(mongoUrl.ToString(), _ =>
+            {
+                var mongoClientSettings = MongoClientSettings.FromUrl(mongoUrl);
+                Options.MongoClientSettingsConfigurer?.Invoke(mongoClientSettings);
+                return new MongoClient(mongoClientSettings);
+            }));
+    }
+
+    public virtual MongoClient Get(MongoUrl mongoUrl)
+    {
+        Check.NotNull(mongoUrl, nameof(mongoUrl));
+
+        return ClientCache.GetOrAdd(mongoUrl.ToString(), _ =>
+        {
+            var mongoClientSettings = MongoClientSettings.FromUrl(mongoUrl);
+            Options.MongoClientSettingsConfigurer?.Invoke(mongoClientSettings);
+            return new MongoClient(mongoClientSettings);
+        });
+    }
+}

framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/Clients/IAbpMongoClientFactory.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Threading.Tasks;
+using MongoDB.Driver;
+
+namespace Volo.Abp.MongoDB.Clients;
+
+public interface IAbpMongoClientFactory
+{
+    Task<MongoClient> GetAsync(MongoUrl mongoUrl);
+
+    [Obsolete("Use GetAsync method")]
+    MongoClient Get(MongoUrl mongoUrl);
+}

framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/Clients/IMongoClientFactory.cs

@@ -1,9 +0,0 @@
-using MongoDB.Driver;
-using Volo.Abp.DependencyInjection;
-
-namespace Volo.Abp.MongoDB.Clients;
-
-public interface IMongoClientFactory : ISingletonDependency
-{
-    MongoClient GetClient(string connectionString);
-}

framework/src/Volo.Abp.MongoDB/Volo/Abp/MongoDB/Clients/MongoClientFactory.cs

@@ -1,32 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using Microsoft.Extensions.Options;
-using MongoDB.Driver;
-
-namespace Volo.Abp.MongoDB.Clients;
-
-public class MongoClientFactory : IMongoClientFactory
-{
-    private readonly ConcurrentDictionary<string, MongoClient> _clients = new();
-    private readonly AbpMongoDbContextOptions Options;
-
-    public MongoClientFactory(IOptions<AbpMongoDbContextOptions> options)
-    {
-        Options = options.Value;
-    }
-
-    public MongoClient GetClient(string connectionString)
-    {
-        if (string.IsNullOrWhiteSpace(connectionString))
-        {
-            throw new ArgumentException("Connection string must not be null or empty.", nameof(connectionString));
-        }
-
-        return _clients.GetOrAdd(connectionString, cs =>
-        {
-            var mongoClientSettings = MongoClientSettings.FromUrl(new MongoUrl(cs));
-            Options.MongoClientSettingsConfigurer?.Invoke(mongoClientSettings);
-            return new MongoClient(mongoClientSettings);
-        });
-    }
-}

framework/src/Volo.Abp.MongoDB/Volo/Abp/Uow/MongoDB/UnitOfWorkMongoDbContextProvider.cs

@@ -4,7 +4,6 @@ using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
-using Microsoft.Extensions.Options;
 using MongoDB.Bson;
 using MongoDB.Driver;
 using Volo.Abp.Data;
@@ -25,17 +24,16 @@ public class UnitOfWorkMongoDbContextProvider<TMongoDbContext> : IMongoDbContext
     protected readonly IConnectionStringResolver ConnectionStringResolver;
     protected readonly ICancellationTokenProvider CancellationTokenProvider;
     protected readonly ICurrentTenant CurrentTenant;
-    protected readonly AbpMongoDbContextOptions Options;
     protected readonly IMongoDbContextTypeProvider DbContextTypeProvider;
-    protected readonly IMongoClientFactory MongoClientFactory;
+    protected readonly IAbpMongoClientFactory MongoClientFactory;
 
     public UnitOfWorkMongoDbContextProvider(
         IUnitOfWorkManager unitOfWorkManager,
         IConnectionStringResolver connectionStringResolver,
         ICancellationTokenProvider cancellationTokenProvider,
         ICurrentTenant currentTenant,
-        IOptions<AbpMongoDbContextOptions> options,
-        IMongoDbContextTypeProvider dbContextTypeProvider, IMongoClientFactory mongoClientFactory)
+        IMongoDbContextTypeProvider dbContextTypeProvider,
+        IAbpMongoClientFactory mongoClientFactory)
     {
         UnitOfWorkManager = unitOfWorkManager;
         ConnectionStringResolver = connectionStringResolver;
@@ -43,7 +41,6 @@ public class UnitOfWorkMongoDbContextProvider<TMongoDbContext> : IMongoDbContext
         CurrentTenant = currentTenant;
         DbContextTypeProvider = dbContextTypeProvider;
         MongoClientFactory = mongoClientFactory;
-        Options = options.Value;
 
         Logger = NullLogger<UnitOfWorkMongoDbContextProvider<TMongoDbContext>>.Instance;
     }
@@ -129,7 +126,7 @@ public class UnitOfWorkMongoDbContextProvider<TMongoDbContext> : IMongoDbContext
     [Obsolete("Use CreateDbContextAsync")]
     private TMongoDbContext CreateDbContext(IUnitOfWork unitOfWork, MongoUrl mongoUrl, string databaseName)
     {
-        var client = CreateMongoClient(mongoUrl);
+        var client = MongoClientFactory.Get(mongoUrl);
         var database = client.GetDatabase(databaseName);
 
         if (unitOfWork.Options.IsTransactional)
@@ -149,7 +146,7 @@ public class UnitOfWorkMongoDbContextProvider<TMongoDbContext> : IMongoDbContext
         string databaseName,
         CancellationToken cancellationToken = default)
     {
-        var client = CreateMongoClient(mongoUrl);
+        var client = await MongoClientFactory.GetAsync(mongoUrl);
         var database = client.GetDatabase(databaseName);
 
         if (unitOfWork.Options.IsTransactional)
@@ -298,13 +295,8 @@ public class UnitOfWorkMongoDbContextProvider<TMongoDbContext> : IMongoDbContext
         return ConnectionStringResolver.Resolve(dbContextType);
     }
 
-    protected virtual MongoClient CreateMongoClient(MongoUrl mongoUrl)
-    {
-        return MongoClientFactory.GetClient(mongoUrl.ToString());
-    }
-
     protected virtual CancellationToken GetCancellationToken(CancellationToken preferredValue = default)
     {
         return CancellationTokenProvider.FallbackToProvider(preferredValue);
     }
-}
+}

framework/test/Volo.Abp.MongoDB.Tests/Volo/Abp/MongoDB/Clients/MongoClient_Factory_Tests.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Threading.Tasks;
 using MongoDB.Driver;
-using Volo.Abp.TestApp.Testing;
 using Xunit;
 
 namespace Volo.Abp.MongoDB.Clients;
@@ -9,74 +8,72 @@ namespace Volo.Abp.MongoDB.Clients;
 [Collection(MongoTestCollection.Name)]
 public class MongoClient_Factory_Tests : MongoDbTestBase
 {
-    private readonly IMongoClientFactory _factory;
+    private readonly IAbpMongoClientFactory _factory;
 
     public MongoClient_Factory_Tests()
     {
-        _factory = GetRequiredService<IMongoClientFactory>();
+        _factory = GetRequiredService<IAbpMongoClientFactory>();
     }
 
     [Fact]
-    public void Should_Return_Same_Instance_For_Same_ConnectionString()
+    public async Task Should_Return_Same_Instance_For_Same_ConnectionString()
     {
         // Arrange
-        var connectionString = "mongodb://localhost:27017/my-db";
+        var mongoUrl = new MongoUrl("mongodb://localhost:27017/my-db");
 
         // Act
-        var client1 = _factory.GetClient(connectionString);
-        var client2 = _factory.GetClient(connectionString);
+        var client1 = await _factory.GetAsync(mongoUrl);
+        var client2 = await _factory.GetAsync(mongoUrl);
 
         // Assert
         Assert.Same(client1, client2);
     }
 
     [Fact]
-    public void Should_Return_Different_Instances_For_Different_ConnectionStrings()
+    public async Task Should_Return_Different_Instances_For_Different_ConnectionStrings()
     {
         // Arrange
-        var cs1 = "mongodb://localhost:27017/db1";
-        var cs2 = "mongodb://localhost:27017/db2";
+        var mongoUrl1 = new MongoUrl("mongodb://localhost:27017/db1");
+        var mongoUrl2 = new MongoUrl("mongodb://localhost:27017/db2");
 
         // Act
-        var client1 = _factory.GetClient(cs1);
-        var client2 = _factory.GetClient(cs2);
+        var client1 = await _factory.GetAsync(mongoUrl1);
+        var client2 = await _factory.GetAsync(mongoUrl2);
 
         // Assert
         Assert.NotSame(client1, client2);
     }
 
     [Fact]
-    public void Should_Not_Throw_For_Valid_But_Unreachable_Connection()
+    public async Task Should_Not_Throw_For_Valid_But_Unreachable_Connection()
     {
         // Arrange
-        var cs = "mongodb://unreachablehost:12345/any";
+        var mongoUrl = new MongoUrl("mongodb://unreachablehost:12345/any");
 
         // Act
-        var client = _factory.GetClient(cs);
+        var client = await _factory.GetAsync(mongoUrl);
 
         // Assert
         Assert.NotNull(client); // Even though it's not connectable now, the instance can be created
     }
 
     [Fact]
-    public void Should_Be_ThreadSafe_When_Accessed_Concurrently()
+    public async Task Should_Be_ThreadSafe_When_Accessed_Concurrently()
     {
-        var connectionString = "mongodb://localhost:27017/threadsafe";
-        MongoClient[] results = new MongoClient[100];
+        var mongoUrl = new MongoUrl("mongodb://localhost:27017/threadsafe");
+        var results = new MongoClient[100];
 
-        Parallel.For(0, 100, i =>
+        await Parallel.ForAsync(0, 100, async (i, _) =>
         {
-            results[i] = _factory.GetClient(connectionString);
+            results[i] = await _factory.GetAsync(mongoUrl);
         });
 
         Assert.All(results, client => Assert.Same(results[0], client));
     }
-    
-    [Theory]
-    [InlineData(null)]
-    [InlineData("")]
-    public void Should_Throw_If_ConnectionString_Is_Null_Or_Empty(string connectionString)
+
+    [Fact]
+    public async Task Should_Throw_If_ConnectionString_Is_Null_Or_Empty()
     {
-        Assert.Throws<ArgumentException>(() => _factory.GetClient(connectionString));
+        await Assert.ThrowsAsync<ArgumentNullException>(() => _factory.GetAsync(null!));
     }
-}
+}