Copyright and formatting update

Author: alex-kulakov

Orm/Xtensive.Orm/Orm/Internals/ChangeRegistries/EntityChangeRegistry.cs

@@ -1,4 +1,4 @@
-// Copyright (C) 2008-2020 Xtensive LLC.
+// Copyright (C) 2008-2022 Xtensive LLC.
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 // Created by: Dmitri Maximov
@@ -15,9 +15,9 @@ namespace Xtensive.Orm.Internals
   /// </summary>
   public sealed class EntityChangeRegistry : SessionBound
   {
-    private readonly HashSet<EntityState> @new = new HashSet<EntityState>();
-    private readonly HashSet<EntityState> modified = new HashSet<EntityState>();
-    private readonly HashSet<EntityState> removed = new HashSet<EntityState>();
+    private readonly HashSet<EntityState> @new = new();
+    private readonly HashSet<EntityState> modified = new();
+    private readonly HashSet<EntityState> removed = new();
 
     /// <summary>
     /// Gets the number of registered entities.
@@ -32,7 +32,7 @@ internal void Register(EntityState item)
     {
       // Remove-create sequences fix for Issue 690
       if (item.PersistenceState == PersistenceState.New && removed.Contains(item)) {
-        removed.Remove(item);
+        _ = removed.Remove(item);
         Count--;
         if (item.DifferentialTuple.Difference == null) {
           item.SetPersistenceState(PersistenceState.Synchronized);
@@ -41,18 +41,19 @@ internal void Register(EntityState item)
         item.SetPersistenceState(PersistenceState.Modified);
       }
       else if (item.PersistenceState == PersistenceState.Removed && @new.Contains(item)) {
-        @new.Remove(item);
+        _ = @new.Remove(item);
         Count--;
         return;
       }
       else if (item.PersistenceState == PersistenceState.Removed && modified.Contains(item)) {
-        modified.Remove(item);
+        _ = modified.Remove(item);
         Count--;
       }
 
       var container = GetContainer(item.PersistenceState);
-      if (container.Add(item))
+      if (container.Add(item)) {
         Count++;
+      }
     }
 
     /// <summary>
@@ -61,7 +62,7 @@ internal void Register(EntityState item)
     /// <param name="state">The state of items to get.</param>
     /// <returns>The sequence of items with specified state.</returns>
     public RegistryItems<EntityState> GetItems(in PersistenceState state) =>
-      new RegistryItems<EntityState>(GetContainer(state));
+      new(GetContainer(state));
 
     /// <summary>
     /// Clears the registry.
@@ -81,7 +82,7 @@ private HashSet<EntityState> GetContainer(in PersistenceState state)
         PersistenceState.New => @new,
         PersistenceState.Modified => modified,
         PersistenceState.Removed => removed,
-        _ => throw new ArgumentOutOfRangeException("state"),
+        _ => throw new ArgumentOutOfRangeException(nameof(state)),
       };
     }
 

Orm/Xtensive.Orm/Orm/Internals/ChangeRegistries/EntitySetChangeRegistry.cs

@@ -1,6 +1,6 @@
-// Copyright (C) 2014 Xtensive LLC.
-// All rights reserved.
-// For conditions of distribution and use, see license.
+// Copyright (C) 2014-2022 Xtensive LLC.
+// This code is distributed under MIT license terms.
+// See the License.txt file in the project root for more information.
 // Created by: Alexey Kulakov
 // Created:    2014.03.27
 
@@ -13,7 +13,7 @@ namespace Xtensive.Orm.Internals
   /// </summary>
   public sealed class EntitySetChangeRegistry : SessionBound
   {
-    private readonly HashSet<EntitySetState> modifiedEntitySets = new HashSet<EntitySetState>();
+    private readonly HashSet<EntitySetState> modifiedEntitySets = new();
 
     /// <summary>
     /// Count of registered <see cref="EntitySetState"/>.
@@ -24,22 +24,18 @@ public sealed class EntitySetChangeRegistry : SessionBound
     /// Register the specified <see cref="EntitySetState"/>.
     /// </summary>
     /// <param name="entitySetState"><see cref="EntitySetState"/> to bound.</param>
-    public void Register(EntitySetState entitySetState)
-    {
-      modifiedEntitySets.Add(entitySetState);
-    }
+    public void Register(EntitySetState entitySetState) => modifiedEntitySets.Add(entitySetState);
 
     /// <summary>
     /// Gets all registered items.
     /// </summary>
     /// <returns></returns>
-    public RegistryItems<EntitySetState> GetItems() =>
-      new RegistryItems<EntitySetState>(modifiedEntitySets);
+    public RegistryItems<EntitySetState> GetItems() => new(modifiedEntitySets);
 
-    public void Clear()
-    {
-      modifiedEntitySets.Clear();
-    }
+    /// <summary>
+    /// Clears the registry.
+    /// </summary>
+    public void Clear() => modifiedEntitySets.Clear();
 
     /// <summary>
     /// Initializes a new instance of this class.

Orm/Xtensive.Orm/Orm/Internals/ChangeRegistries/ReferenceFieldChangeInfo.cs

@@ -1,6 +1,6 @@
-// Copyright (C) 2014 Xtensive LLC.
-// All rights reserved.
-// For conditions of distribution and use, see license.
+// Copyright (C) 2014-2022 Xtensive LLC.
+// This code is distributed under MIT license terms.
+// See the License.txt file in the project root for more information.
 // Created by: Alexey Kulakov
 // Created:    2014.04.07
 

Orm/Xtensive.Orm/Orm/Internals/ChangeRegistries/ReferenceFieldsChangesRegistry.cs

@@ -1,6 +1,6 @@
-// Copyright (C) 2014 Xtensive LLC.
-// All rights reserved.
-// For conditions of distribution and use, see license.
+// Copyright (C) 2014-2022 Xtensive LLC.
+// This code is distributed under MIT license terms.
+// See the License.txt file in the project root for more information.
 // Created by: Alexey Kulakov
 // Created:    2014.04.07
 
@@ -15,7 +15,7 @@ namespace Xtensive.Orm.Internals
   /// </summary>
   internal sealed class ReferenceFieldsChangesRegistry : SessionBound
   {
-    private readonly HashSet<ReferenceFieldChangeInfo> changes = new HashSet<ReferenceFieldChangeInfo>();
+    private readonly HashSet<ReferenceFieldChangeInfo> changes = new ();
 
     /// <summary>
     /// Registrates information about field which value was set.
@@ -56,15 +56,9 @@ public void Register(Key fieldOwner, Key fieldValue, Key auxiliaryEntity, FieldI
     /// <summary>
     /// Removes all registered items.
     /// </summary>
-    public void Clear()
-    {
-      changes.Clear();
-    }
+    public void Clear() => changes.Clear();
 
-    private void Register(ReferenceFieldChangeInfo fieldChangeInfo)
-    {
-      changes.Add(fieldChangeInfo);
-    }
+    private void Register(ReferenceFieldChangeInfo fieldChangeInfo) => changes.Add(fieldChangeInfo);
 
     public ReferenceFieldsChangesRegistry(Session session)
       : base(session)