Added more extension methods for ObjectExtensionManager

framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/ObjectExtensionManagerExtensions.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
 using JetBrains.Annotations;
 using Volo.Abp.Data;
 
@@ -80,6 +82,16 @@ namespace Volo.Abp.ObjectExtending
                 });
         }
 
+        public static ObjectExtensionPropertyInfo GetPropertyOrNull<TObject>(
+            [NotNull] this ObjectExtensionManager objectExtensionManager,
+            [NotNull] string propertyName)
+        {
+            return objectExtensionManager.GetPropertyOrNull(
+                typeof(TObject),
+                propertyName
+            );
+        }
+
         public static ObjectExtensionPropertyInfo GetPropertyOrNull(
             [NotNull] this ObjectExtensionManager objectExtensionManager,
             [NotNull] Type objectType,
@@ -93,5 +105,26 @@ namespace Volo.Abp.ObjectExtending
                 .GetOrNull(objectType)?
                 .GetPropertyOrNull(propertyName);
         }
+
+        private static readonly ImmutableList<ObjectExtensionPropertyInfo> EmptyPropertyList 
+            = new List<ObjectExtensionPropertyInfo>().ToImmutableList();
+
+        public static ImmutableList<ObjectExtensionPropertyInfo> GetProperties(
+            [NotNull] this ObjectExtensionManager objectExtensionManager,
+            [NotNull] Type objectType,
+            [NotNull] string propertyName)
+        {
+            Check.NotNull(objectExtensionManager, nameof(objectExtensionManager));
+            Check.NotNull(objectType, nameof(objectType));
+            Check.NotNull(propertyName, nameof(propertyName));
+
+            var extensionInfo = objectExtensionManager.GetOrNull(objectType);
+            if (extensionInfo == null)
+            {
+                return EmptyPropertyList;
+            }
+
+            return extensionInfo.GetProperties();
+        }
     }
 }