Resolved #914: Introduce MultiTenancyOptions to enable/disable multitenancy

framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancyDatabaseStyle.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Volo.Abp.MultiTenancy
+{
+    [Flags]
+    public enum MultiTenancyDatabaseStyle
+    {
+        Shared = 1,
+        PerTenant = 2,
+        Hybrid = Shared | PerTenant
+    }
+}

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

@@ -0,0 +1,17 @@
+namespace Volo.Abp.MultiTenancy
+{
+    public class MultiTenancyOptions
+    {
+        /// <summary>
+        /// A central point to enable/disable multi-tenancy.
+        /// Default: false. 
+        /// </summary>
+        public bool IsEnabled { get; set; }
+
+        /// <summary>
+        /// Database style for tenants.
+        /// Default: <see cref="MultiTenancyDatabaseStyle.Hybrid"/>.
+        /// </summary>
+        public MultiTenancyDatabaseStyle DatabaseStyle { get; set; } = MultiTenancyDatabaseStyle.Hybrid;
+    }
+}