6 // Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
8 // Copyright (c) 2009 Jérémie "Garuma" Laval
10 // Permission is hereby granted, free of charge, to any person obtaining a copy
11 // of this software and associated documentation files (the "Software"), to deal
12 // in the Software without restriction, including without limitation the rights
13 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 // copies of the Software, and to permit persons to whom the Software is
15 // furnished to do so, subject to the following conditions:
17 // The above copyright notice and this permission notice shall be included in
18 // all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 using System.Collections.Generic;
31 namespace System.Collections.Concurrent
33 public static class Partitioner
35 public static OrderablePartitioner<TSource> Create<TSource> (IEnumerable<TSource> source)
37 IList<TSource> tempIList = source as IList<TSource>;
38 if (tempIList != null)
39 return Create (tempIList, true);
41 return new EnumerablePartitioner<TSource> (source);
44 public static OrderablePartitioner<TSource> Create<TSource> (TSource[] source, bool loadBalance)
46 return Create ((IList<TSource>)source, loadBalance);
49 public static OrderablePartitioner<TSource> Create<TSource> (IList<TSource> source, bool loadBalance)
51 return new ListPartitioner<TSource> (source);
55 public abstract class Partitioner<TSource>
57 protected Partitioner ()
62 public virtual IEnumerable<TSource> GetDynamicPartitions ()
64 if (!SupportsDynamicPartitions)
65 throw new NotSupportedException ();
70 public abstract IList<IEnumerator<TSource>> GetPartitions (int partitionCount);
72 public virtual bool SupportsDynamicPartitions {