2 // EnumerableRowCollectionExtensions.cs
5 // Atsushi Enomoto <atsushi@ximian.com>
7 // Copyright (C) 2008 Novell, Inc. http://www.novell.com
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16 // permit persons to whom the Software is furnished to do so, subject to
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32 using System.Collections.Generic;
36 public static class EnumerableRowCollectionExtensions
38 public static EnumerableRowCollection<TResult> Cast<TResult> (this EnumerableRowCollection source)
40 return new EnumerableRowCollection<TResult> (EnumerableRowCollection.Cast<TResult> (source));
43 public static OrderedEnumerableRowCollection<TRow> OrderBy<TRow, TKey> (this EnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector)
45 return OrderBy<TRow, TKey> (source, keySelector, Comparer<TKey>.Default);
48 public static OrderedEnumerableRowCollection<TRow> OrderBy<TRow, TKey> (this EnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector, IComparer<TKey> comparer)
50 return OrderedEnumerableRowCollection<TRow>.Create<TRow, TKey> (source, keySelector, comparer, false);
53 public static OrderedEnumerableRowCollection<TRow> OrderByDescending<TRow, TKey> (this EnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector)
55 return OrderByDescending<TRow, TKey> (source, keySelector, Comparer<TKey>.Default);
58 public static OrderedEnumerableRowCollection<TRow> OrderByDescending<TRow, TKey> (this EnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector, IComparer<TKey> comparer)
60 return OrderedEnumerableRowCollection<TRow>.Create<TRow, TKey> (source, keySelector, comparer, true);
63 public static EnumerableRowCollection<S> Select<TRow, S> (this EnumerableRowCollection<TRow> source, Func<TRow, S> selector)
65 return new EnumerableRowCollection<S> (EnumerableRowCollection.Select<TRow, S> (source, selector));
69 public static OrderedEnumerableRowCollection<TRow> ThenBy<TRow, TKey> (this OrderedEnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector)
71 return ThenBy<TRow, TKey> (source, keySelector, Comparer<TKey>.Default);
75 public static OrderedEnumerableRowCollection<TRow> ThenBy<TRow, TKey> (this OrderedEnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector, IComparer<TKey> comparer)
77 throw new NotImplementedException ();
81 public static OrderedEnumerableRowCollection<TRow> ThenByDescending<TRow, TKey> (this OrderedEnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector)
83 return ThenByDescending<TRow, TKey> (source, keySelector, Comparer<TKey>.Default);
87 public static OrderedEnumerableRowCollection<TRow> ThenByDescending<TRow, TKey> (this OrderedEnumerableRowCollection<TRow> source, Func<TRow, TKey> keySelector, IComparer<TKey> comparer)
89 throw new NotImplementedException ();
92 public static EnumerableRowCollection<TRow> Where<TRow> (this EnumerableRowCollection<TRow> source, Func<TRow, bool> predicate)
94 return new EnumerableRowCollection<TRow> (EnumerableRowCollection.Where<TRow> (source, predicate));