added marr.datamapper source code for easy debugging.

Marr.Data/QGen/View.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Marr.Data.Mapping;
+
+namespace Marr.Data.QGen
+{
+    /// <summary>
+    /// This class represents a View.  A view can hold multiple tables (and their columns).
+    /// </summary>
+    public class View : Table, IEnumerable<Table>
+    {
+        private string _viewName;
+        private Table[] _tables;
+        private Mapping.ColumnMapCollection _columns;
+
+        public View(string viewName, Table[] tables)
+            : base(tables[0].EntityType, JoinType.None)
+        {
+            _viewName = viewName;
+            _tables = tables;
+        }
+
+        public Table[] Tables
+        {
+            get { return _tables; }
+        }
+        
+        public override string Name
+        {
+            get
+            {
+                return _viewName;
+            }
+            set
+            {
+                _viewName = value;
+            }
+        }
+
+        public override string Alias
+        {
+            get
+            {
+                return base.Alias;
+            }
+            set
+            {
+                base.Alias = value;
+
+                // Sync view tables
+                foreach (Table table in _tables)
+                {
+                    table.Alias = value;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets all the columns from all the tables included in the view.
+        /// </summary>
+        public override Mapping.ColumnMapCollection Columns
+        {
+            get
+            {
+                if (_columns == null)
+                {
+                    var allColumns = _tables.SelectMany(t => t.Columns);
+                    _columns = new ColumnMapCollection();
+                    _columns.AddRange(allColumns);
+                }
+
+                return _columns;
+            }
+        }
+
+        public IEnumerator<Table> GetEnumerator()
+        {
+            foreach (Table table in _tables)
+            {
+                yield return table;
+            }
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            return this.GetEnumerator();
+        }
+    }
+}