Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data/Microsoft/SqlServer/Server/SqlTriggerContext.cs

@@ -0,0 +1,59 @@
+//------------------------------------------------------------------------------
+// <copyright file="SqlTriggerContext.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+// <owner current="true" primary="true">[....]</owner>
+// <owner current="true" primary="false">[....]</owner>
+// <owner current="true" primary="false">daltodov</owner>
+//------------------------------------------------------------------------------
+
+namespace Microsoft.SqlServer.Server {
+
+    using System.Data.Common;
+    using System.Data.SqlClient;
+    using System.Data.SqlTypes;
+    using System.Diagnostics;
+
+    public sealed class SqlTriggerContext {
+
+        TriggerAction   _triggerAction;
+        bool[]          _columnsUpdated;
+        SqlXml          _eventInstanceData;
+
+        internal SqlTriggerContext(TriggerAction triggerAction, bool[] columnsUpdated, SqlXml eventInstanceData) {
+            _triggerAction     = triggerAction;
+            _columnsUpdated    = columnsUpdated;
+            _eventInstanceData = eventInstanceData;
+        }
+
+        public int ColumnCount {
+            get {
+                int result = 0;
+
+                if (null != _columnsUpdated) {
+                    result = _columnsUpdated.Length;
+                }
+                return result;
+            }
+        }
+
+        public SqlXml EventData {
+            get {
+                return _eventInstanceData;
+            }
+        }
+
+        public TriggerAction TriggerAction {
+            get {
+                return _triggerAction;
+            }
+        }
+
+        public bool IsUpdatedColumn(int columnOrdinal) {
+            if (null != _columnsUpdated) {
+                return _columnsUpdated[columnOrdinal];   // will throw IndexOutOfRangeException if it's out of range...
+            }
+            throw ADP.IndexOutOfRange(columnOrdinal);    // if there aren't any columns, that means IndexOutOfRange too...
+        }
+    }
+}