Ported .Net Core commits:

hondacrx: - Initial commit: Switch to .Net Core 2.0 - Fix build and removed not needed files Fabi: - Updated solution platforms. - Changed folder structure. - Change library target framework to netstandard2.0. - Updated solution platforms again... - Removed windows specific kernel32 function usage (Ctrl-C handler).
2017-10-26 17:23:44 +02:00
parent 227702e19c
commit a3dc7b3f48
844 changed files with 26064 additions and 1824 deletions
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2012-2017 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;
+using System.Collections.Generic;
+using System.Diagnostics.Contracts;
+using System.Threading.Tasks;
+
+namespace Framework.Database
+{
+    public class QueryCallback
+    {
+        public QueryCallback(Task<SQLResult> result)
+        {
+            _result = result;
+        }
+
+        public QueryCallback WithCallback(Action<SQLResult> callback)
+        {
+            return WithChainingCallback((queryCallback, result) => callback(result));
+        }
+
+        public QueryCallback WithCallback<T>(Action<T, SQLResult> callback, T obj)
+        {
+            return WithChainingCallback((queryCallback, result) => callback(obj, result));
+        }
+
+        public QueryCallback WithChainingCallback(Action<QueryCallback, SQLResult> callback)
+        {
+            _callbacks.Enqueue(new QueryCallbackData(callback));
+            return this;
+        }
+
+        public void SetNextQuery(QueryCallback next)
+        {
+            _result = next._result;
+        }
+
+        public QueryCallbackStatus InvokeIfReady()
+        {
+            QueryCallbackData callback = _callbacks.Dequeue();
+
+            bool hasNext = true;
+            while (hasNext)
+            {
+                if (_result != null && _result.Wait(0))
+                {
+                    Task<SQLResult> f = _result;
+                    Action<QueryCallback, SQLResult> cb = callback._result;
+                    _result = null;
+
+                    cb(this, f.Result);
+
+                    hasNext = _result != null;
+                    if (_callbacks.Count == 0)
+                    {
+                        Contract.Assert(!hasNext);
+                        return QueryCallbackStatus.Completed;
+                    }
+
+                    // abort chain
+                    if (!hasNext)
+                        return QueryCallbackStatus.Completed;
+
+                    callback = _callbacks.Dequeue();
+                }
+                else
+                    return QueryCallbackStatus.NotReady;
+            }
+
+            return QueryCallbackStatus.Completed;
+        }
+
+        Task<SQLResult> _result;
+        Queue<QueryCallbackData> _callbacks = new Queue<QueryCallbackData>();
+    }
+
+    struct QueryCallbackData
+    {
+        public QueryCallbackData(Action<QueryCallback, SQLResult> callback)
+        {
+            _result = callback;
+        }
+
+        public void Clear()
+        {
+            _result = null;
+        }
+
+        public Action<QueryCallback, SQLResult> _result;
+    }
+
+    public enum QueryCallbackStatus
+    {
+        NotReady,
+        NextStep,
+        Completed
+    }
+}