Add declarative procedure result-set binding

DynamORM/Mapper/ProcedureResultAttribute.cs

@@ -0,0 +1,52 @@
+/*
+ * DynamORM - Dynamic Object-Relational Mapping library.
+ * Copyright (c) 2012-2026, Grzegorz Russek (grzegorz.russek@gmail.com)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+using System;
+
+namespace DynamORM.Mapper
+{
+    /// <summary>Declares mapping of a typed procedure result property to a specific result set.</summary>
+    [AttributeUsage(AttributeTargets.Property)]
+    public class ProcedureResultAttribute : Attribute
+    {
+        /// <summary>Initializes a new instance of the <see cref="ProcedureResultAttribute"/> class.</summary>
+        public ProcedureResultAttribute(int resultIndex)
+        {
+            ResultIndex = resultIndex;
+        }
+
+        /// <summary>Gets result-set index in reader order, zero based.</summary>
+        public int ResultIndex { get; private set; }
+
+        /// <summary>Gets or sets optional column name for scalar/simple list extraction.</summary>
+        public string ColumnName { get; set; }
+
+        /// <summary>Gets or sets optional name used for DataTable.</summary>
+        public string Name { get; set; }
+    }
+}