Added MultiTenancyOptions.

src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancyManager.cs

@@ -1,5 +1,5 @@
 using System;
-using System.Collections.Generic;
+using Microsoft.Extensions.Options;
 using Volo.DependencyInjection;
 
 namespace Volo.Abp.MultiTenancy
@@ -9,14 +9,14 @@ namespace Volo.Abp.MultiTenancy
         public TenantInfo CurrentTenant => GetCurrentTenant();
 
         private readonly ITenantScopeProvider _tenantScopeProvider;
-        private readonly IEnumerable<ITenantResolver> _currentTenantResolvers;
+        private readonly MultiTenancyOptions _options;
 
         public MultiTenancyManager(
-            ITenantScopeProvider tenantScopeProvider, 
-            IEnumerable<ITenantResolver> currentTenantResolvers)
+            ITenantScopeProvider tenantScopeProvider,
+            IOptions<MultiTenancyOptions> options)
         {
             _tenantScopeProvider = tenantScopeProvider;
-            _currentTenantResolvers = currentTenantResolvers;
+            _options = options.Value;
         }
 
         protected virtual TenantInfo GetCurrentTenant()
@@ -28,7 +28,7 @@ namespace Volo.Abp.MultiTenancy
 
             var context = new CurrentTenantResolveContext();
 
-            foreach (var currentTenantResolver in _currentTenantResolvers)
+            foreach (var currentTenantResolver in _options.TenantResolvers)
             {
                 currentTenantResolver.Resolve(context);
                 if (context.Handled)

src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancyOptions.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.MultiTenancy
+{
+    public class MultiTenancyOptions
+    {
+        public List<ITenantResolver> TenantResolvers { get; }
+
+        public MultiTenancyOptions()
+        {
+            TenantResolvers = new List<ITenantResolver>();
+        }
+    }
+}

test/Volo.Abp.MultiTenancy.Tests/Volo/Abp/MultiTenancy/MultiTenantManager_TenantResolver_Tests.cs

@@ -1,4 +1,5 @@
 using System;
+using Microsoft.Extensions.Options;
 using NSubstitute;
 using Shouldly;
 using Xunit;
@@ -12,7 +13,10 @@ namespace Volo.Abp.MultiTenancy
         {
             //Arrange
 
-            var manager = new MultiTenancyManager(Substitute.For<ITenantScopeProvider>(), new ITenantResolver[0]);
+            var manager = new MultiTenancyManager(
+                Substitute.For<ITenantScopeProvider>(),
+                new OptionsWrapper<MultiTenancyOptions>(new MultiTenancyOptions())
+            );
 
             //Assert
 
@@ -26,14 +30,21 @@ namespace Volo.Abp.MultiTenancy
 
             var fakeTenant = new TenantInfo(Guid.NewGuid().ToString(), "acme");
 
-            var manager = new MultiTenancyManager(Substitute.For<ITenantScopeProvider>(), new[]
-            {
-                new SimpleTenantResolver(context =>
-                {
-                    context.Tenant = fakeTenant;
-                    context.Handled = true;
-                })
-            });
+            var manager = new MultiTenancyManager(
+                Substitute.For<ITenantScopeProvider>(),
+                new OptionsWrapper<MultiTenancyOptions>(new MultiTenancyOptions
+                    {
+                        TenantResolvers =
+                        {
+                            new SimpleTenantResolver(context =>
+                            {
+                                context.Tenant = fakeTenant;
+                                context.Handled = true;
+                            })
+                        }
+                    }
+                )
+            );
 
             //Assert
 
@@ -48,23 +59,30 @@ namespace Volo.Abp.MultiTenancy
 
             var fakeTenant = new TenantInfo(Guid.NewGuid().ToString(), "acme");
 
-            var manager = new MultiTenancyManager(Substitute.For<ITenantScopeProvider>(), new[]
-            {
-                new SimpleTenantResolver(context =>
-                {
-                    context.Tenant = new TenantInfo(Guid.NewGuid().ToString(), "skipped-tenant-1");
-                }),
-                new SimpleTenantResolver(context =>
-                {
-                    context.Tenant = fakeTenant;
-                    context.Handled = true;
-                }),
-                new SimpleTenantResolver(context =>
-                {
-                    context.Tenant = new TenantInfo(Guid.NewGuid().ToString(), "skipped-tenant-2");
-                    context.Handled = true;
-                })
-            });
+            var manager = new MultiTenancyManager(
+                Substitute.For<ITenantScopeProvider>(),
+                new OptionsWrapper<MultiTenancyOptions>(new MultiTenancyOptions
+                    {
+                        TenantResolvers =
+                        {
+                            new SimpleTenantResolver(context =>
+                            {
+                                context.Tenant = new TenantInfo(Guid.NewGuid().ToString(), "skipped-tenant-1");
+                            }),
+                            new SimpleTenantResolver(context =>
+                            {
+                                context.Tenant = fakeTenant;
+                                context.Handled = true;
+                            }),
+                            new SimpleTenantResolver(context =>
+                            {
+                                context.Tenant = new TenantInfo(Guid.NewGuid().ToString(), "skipped-tenant-2");
+                                context.Handled = true;
+                            })
+                        }
+                    }
+                )
+            );
 
             //Assert
 
@@ -78,14 +96,21 @@ namespace Volo.Abp.MultiTenancy
 
             var oldTenant = new TenantInfo(Guid.NewGuid().ToString(), "old-tenant");
 
-            var manager = new MultiTenancyManager(new AsyncLocalTenantScopeProvider(), new[]
-            {
-                new SimpleTenantResolver(context =>
-                {
-                    context.Tenant = oldTenant;
-                    context.Handled = true;
-                })
-            });
+            var manager = new MultiTenancyManager(
+                new AsyncLocalTenantScopeProvider(),
+                new OptionsWrapper<MultiTenancyOptions>(
+                    new MultiTenancyOptions
+                    {
+                        TenantResolvers =
+                        {
+                            new SimpleTenantResolver(context =>
+                            {
+                                context.Tenant = oldTenant;
+                            })
+                        }
+                    }
+                )
+            );
 
             manager.CurrentTenant.ShouldBe(oldTenant);