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//
// ParallelPartitioner.cs
//
// Author:
// Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
//
// Copyright (c) 2010 Jérémie "Garuma" Laval
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if NET_4_0
using System;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Collections.Concurrent.Partitioners;
namespace System.Linq.Parallel
{
internal static class ParallelPartitioner
{
internal static OrderablePartitioner<T> CreateForChunks<T> (IEnumerable<T> source)
{
return Partitioner.Create (source);
}
internal static OrderablePartitioner<T> CreateForRange<T> (IList<T> source)
{
return Partitioner.Create (source, true);
}
internal static OrderablePartitioner<T> CreateBest<T> (IEnumerable<T> source)
{
IList<T> temp = source as IList<T>;
if (temp != null)
return CreateForRange (temp);
return CreateForChunks (source);
}
internal static OrderablePartitioner<T> CreateForStrips<T> (IEnumerable<T> source, int stripSize)
{
IList<T> temp = source as IList<T>;
if (temp != null)
return new StripPartitioner<T> (temp);
return new EnumerablePartitioner<T> (source, stripSize, 1);
}
internal static OrderablePartitioner<int> CreateForRange (int start, int count)
{
return CreateForRange<int> (new RangeList (start, count));
}
internal static OrderablePartitioner<T> CreateForRepeat<T> (T obj, int count)
{
return CreateForRange<T> (new RepeatList<T> (obj, count));
}
}
}
#endif
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