//
// Partitioner.cs
//
// Author:
// Jrmie "Garuma" Laval <jeremie.laval@gmail.com>
//
// Copyright (c) 2009 Jrmie "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.
using System;
using System.Collections.Generic;
#if NET_4_0 || BOOTSTRAP_NET_4_0
namespace System.Collections.Concurrent{
public static class Partitioner
{
public static OrderablePartitioner<TSource> Create<TSource> (IEnumerable<TSource> source)
{
IList<TSource> tempIList = source as IList<TSource>;
if (tempIList != null)
return Create (tempIList, true);
return new EnumerablePartitioner<TSource> (source);
}
public static OrderablePartitioner<TSource> Create<TSource> (TSource[] source, bool loadBalance)
{
return Create ((IList<TSource>)source, loadBalance);
}
public static OrderablePartitioner<TSource> Create<TSource> (IList<TSource> source, bool loadBalance)
{
return new ListPartitioner<TSource> (source);
}
[MonoTODO("What range size is supposed to be in context and what the result returned looks like")]
public static OrderablePartitioner<Tuple<int, int>> Create (int fromInclusive,
int toExclusive)
{
return Create (fromInclusive, toExclusive, 1);
}
[MonoTODO("What range size is supposed to be in context and what the result returned looks like")]
public static OrderablePartitioner<Tuple<int, int>> Create (int fromInclusive,
int toExclusive,
int rangeSize)
{
throw new NotImplementedException ();
}
[MonoTODO("What range size is supposed to be in context and what the result returned looks like")]
public static OrderablePartitioner<Tuple<long, long>> Create (long fromInclusive,
long toExclusive)
{
return Create (fromInclusive, toExclusive, 1);
}
[MonoTODO("What range size is supposed to be in context and what the result returned looks like")]
public static OrderablePartitioner<Tuple<long, long>> Create (long fromInclusive,
long toExclusive,
long rangeSize)
{
throw new NotImplementedException ();
}
}
public abstract class Partitioner<TSource>
{
protected Partitioner ()
{
}
public virtual IEnumerable<TSource> GetDynamicPartitions ()
{
if (!SupportsDynamicPartitions)
throw new NotSupportedException ();
return null;
}
public abstract IList<IEnumerator<TSource>> GetPartitions (int partitionCount);
public virtual bool SupportsDynamicPartitions {
get {
return false;
}
}
}
}
#endif
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