5 // Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
7 // Copyright (c) 2010 Jérémie "Garuma" Laval
9 // Permission is hereby granted, free of charge, to any person obtaining a copy
10 // of this software and associated documentation files (the "Software"), to deal
11 // in the Software without restriction, including without limitation the rights
12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 // copies of the Software, and to permit persons to whom the Software is
14 // furnished to do so, subject to the following conditions:
16 // The above copyright notice and this permission notice shall be included in
17 // all copies or substantial portions of the Software.
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
30 using System.Collections.Generic;
31 using System.Collections.Concurrent;
33 namespace System.Linq.Parallel.QueryNodes
36 internal enum SetInclusion {
37 In = 0, // Element should already be in checker
38 Out = 1, // Element shouldn't be already in checker
39 Preload = 2, // Preload second node content and only do real work on first node content
40 Relaxed = 4, // first node content isn't added to checker allowing duplicates
43 internal static class SetInclusionDefaults
45 public const SetInclusion Union = SetInclusion.Out;
46 public const SetInclusion Intersect = SetInclusion.In;
47 public const SetInclusion Except = SetInclusion.In | SetInclusion.Preload | SetInclusion.Relaxed;
48 public const SetInclusion Distinct = SetInclusion.Out | SetInclusion.Preload;