Refactoring to allow removing of HierarchicalLifetimeStrategy

package.props

@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-    <Version>2.1.2</Version>
+    <Version>2.2.0</Version>
     <PackageReleaseNotes>This package is distributed as .NET Standard 1.0, 2.0, .Net Core 1.0 and .NET 4.0, 4.5, 4.7</PackageReleaseNotes>
   </PropertyGroup>
 

src/Lifetime/HierarchicalLifetimeManager.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
 
 using System;
+using Unity.Policy;
 
 namespace Unity.Lifetime
 {
@@ -22,6 +23,11 @@ public override void RemoveValue()
             Dispose();
         }
 
+        public IBuilderPolicy CreateScope()
+        {
+            return new HierarchicalLifetimeManager();
+        }
+
 
         #region IDisposable
 

src/Lifetime/IHierarchicalLifetimePolicy.cs

@@ -1,6 +1,13 @@
-namespace Unity.Lifetime
+using Unity.Policy;
+
+namespace Unity.Lifetime
 {
     public interface IHierarchicalLifetimePolicy : ILifetimePolicy
     {
+        /// <summary>
+        /// Creates controller for current scope
+        /// </summary>
+        /// <returns>IScopeLifetimePolicy</returns>
+        IBuilderPolicy CreateScope();
     }
 }

src/Registration/IIndexerOf.cs

@@ -0,0 +1,9 @@
+
+namespace Unity.Registration
+{
+    public interface IIndexerOf<TKey, TValue>
+    {
+        TValue this[TKey index] { get; set; }
+    }
+
+}

src/Utility/Prime.cs

@@ -0,0 +1,49 @@
+using System;
+
+namespace Unity.Utility
+{
+    public static class Prime
+    {
+        public static readonly int[] Numbers = {
+            1, 3, 7, 11, 17, 23, 29, 37, 47, 59, 71, 89, 107, 131, 163, 197, 239, 293,
+            353, 431, 521, 631, 761, 919, 1103, 1327, 1597, 1931, 2333, 2801, 3371, 4049,
+            4861, 5839, 7013, 8419, 10103, 12143, 14591, 17519, 21023, 25229, 30293, 36353,
+            43627, 52361, 62851, 75431, 90523, 108631, 130363, 156437, 187751, 225307, 270371,
+            324449, 389357, 467237, 560689, 672827, 807403, 968897, 1162687, 1395263, 1674319,
+            2009191, 2411033, 2893249, 3471899, 4166287, 4999559, 5999471, 7199369, 10000019};
+
+
+        public static int GetPrime(int min)
+        {
+            if (min < 0) throw new ArgumentException("Capacity Overflow");
+
+            foreach (var prime in Numbers)
+            {
+                if (prime >= min) return prime;
+            }
+
+            for (var i = min | 1; i < Int32.MaxValue; i += 2)
+            {
+                if (IsPrime(i) && (i - 1) % 101 != 0)
+                    return i;
+            }
+
+            return min;
+        }
+
+        public static bool IsPrime(int candidate)
+        {
+            if ((candidate & 1) != 0)
+            {
+                var limit = (int)Math.Sqrt(candidate);
+                for (var divisor = 3; divisor <= limit; divisor += 2)
+                {
+                    if (candidate % divisor == 0)
+                        return false;
+                }
+                return true;
+            }
+            return candidate == 2;
+        }
+    }
+}