Core/DBLayer: Implement async transaction completion callbacks

Port From (https://github.com/TrinityCore/TrinityCore/commit/0f0ca3a9194d76afa0227943e86469ad8368c5e2)
2020-04-26 00:53:43 -04:00
parent a9d1d3f2b0
commit d450f6db3d
14 changed files with 224 additions and 109 deletions
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2012-2020 CypherCore <http://github.com/CypherCore>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using System.Collections.Generic;
+
+namespace Framework.Database
+{
+    public interface ISqlCallback
+    {
+        bool InvokeIfReady();
+    }
+
+    public class AsyncCallbackProcessor<T> where T : ISqlCallback
+    {   
+        List<T> _callbacks = new List<T>();
+
+        public T AddCallback(T query)
+        {
+            _callbacks.Add(query);
+            return query;
+        }
+
+        public void ProcessReadyCallbacks()
+        {
+            if (_callbacks.Empty())
+                return;
+
+            _callbacks.RemoveAll(callback => callback.InvokeIfReady());
+        }
+    }
+}