Readded async methods as Obsolete

Author: Gunnar Liljas

src/NHibernate/Action/BulkOperationCleanupAction.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
 using NHibernate.Engine;
 using NHibernate.Metadata;
 using NHibernate.Persister.Entity;
@@ -144,5 +146,19 @@ private void EvictEntityRegions()
 		}
 
 		#endregion
+
+		[Obsolete]
+		public virtual void Init()
+		{
+			EvictEntityRegions();
+			EvictCollectionRegions();
+		}
+
+		[Obsolete]
+		public virtual async Task InitAsync(CancellationToken cancellationToken)
+		{
+			await EvictEntityRegionsAsync(cancellationToken);
+			await EvictCollectionRegionsAsync(cancellationToken);
+		}
 	}
 }

src/NHibernate/Async/Action/BulkOperationCleanupAction.cs

@@ -11,15 +11,15 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
 using NHibernate.Engine;
 using NHibernate.Metadata;
 using NHibernate.Persister.Entity;
 using IQueryable = NHibernate.Persister.Entity.IQueryable;
 
 namespace NHibernate.Action
 {
-	using System.Threading.Tasks;
-	using System.Threading;
 	public partial class BulkOperationCleanupAction : IExecutable
 	{
 

src/NHibernate/Async/Hql/Ast/ANTLR/Exec/AbstractStatementExecutor.cs

@@ -24,11 +24,11 @@
 using NHibernate.Transaction;
 using NHibernate.Util;
 using System.Data;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace NHibernate.Hql.Ast.ANTLR.Exec
 {
-	using System.Threading.Tasks;
-	using System.Threading;
 	public abstract partial class AbstractStatementExecutor : IStatementExecutor
 	{
 

src/NHibernate/Hql/Ast/ANTLR/Exec/AbstractStatementExecutor.cs

@@ -14,6 +14,8 @@
 using NHibernate.Transaction;
 using NHibernate.Util;
 using System.Data;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace NHibernate.Hql.Ast.ANTLR.Exec
 {
@@ -57,6 +59,16 @@ protected virtual void CoordinateSharedCacheCleanup(ISessionImplementor session)
 			}
 		}
 
+		[Obsolete]
+		protected virtual Task CoordinateSharedCacheCleanupAsync(ISessionImplementor session, CancellationToken cancellationToken)
+		{
+			cancellationToken.ThrowIfCancellationRequested();
+
+			CoordinateSharedCacheCleanup(session);
+
+			return Task.CompletedTask;
+		}
+
 		protected SqlString GenerateIdInsertSelect(IQueryable persister, string tableAlias, IASTNode whereClause)
 		{
 			var select = new SqlSelectBuilder(Factory);