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//
// ParallelQuery.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.Threading;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Linq.Parallel;
using System.Linq.Parallel.QueryNodes;
namespace System.Linq
{
public class ParallelQuery : IEnumerable
{
ParallelExecutionMode execMode = ParallelExecutionMode.Default;
ParallelMergeOptions mergeOptions = ParallelMergeOptions.Default;
internal ParallelQuery ()
{
}
internal ParallelMergeOptions MergeOptions {
get {
return mergeOptions;
}
set {
mergeOptions = value;
}
}
internal ParallelExecutionMode ExecMode {
get {
return execMode;
}
set {
execMode = value;
}
}
IEnumerator IEnumerable.GetEnumerator ()
{
return GetEnumeratorTrick ();
}
// Trick to get the correct IEnumerator from ParallelQuery<TSource>
internal virtual IEnumerator GetEnumeratorTrick ()
{
return null;
}
internal virtual ParallelQuery<object> TypedQuery {
get {
return null;
}
}
}
public class ParallelQuery<TSource> : ParallelQuery, IEnumerable<TSource>, IEnumerable
{
QueryBaseNode<TSource> node;
internal ParallelQuery (QueryBaseNode<TSource> node)
{
this.node = node;
}
internal QueryBaseNode<TSource> Node {
get {
return node;
}
}
public virtual IEnumerator<TSource> GetEnumerator ()
{
return GetEnumeratorInternal ();
}
IEnumerator IEnumerable.GetEnumerator ()
{
return (IEnumerator)GetEnumeratorInternal ();
}
IEnumerator<TSource> GetEnumeratorInternal ()
{
return new ParallelQueryEnumerator<TSource> (node);
}
internal override IEnumerator GetEnumeratorTrick ()
{
return (IEnumerator)GetEnumeratorInternal ();
}
internal override ParallelQuery<object> TypedQuery {
get {
return new ParallelQuery<object> (new QueryCastNode<TSource> (node));
}
}
}
}
#endif
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