128 lines
3.1 KiB
C#
128 lines
3.1 KiB
C#
//
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// ParallelQuery.cs
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//
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// Author:
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// Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
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//
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// Copyright (c) 2010 Jérémie "Garuma" Laval
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#if NET_4_0
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using System;
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using System.Threading;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.Concurrent;
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using System.Linq.Parallel;
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using System.Linq.Parallel.QueryNodes;
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namespace System.Linq
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{
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public class ParallelQuery : IEnumerable
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{
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ParallelExecutionMode execMode = ParallelExecutionMode.Default;
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ParallelMergeOptions mergeOptions = ParallelMergeOptions.Default;
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internal ParallelQuery ()
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{
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}
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internal ParallelMergeOptions MergeOptions {
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get {
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return mergeOptions;
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}
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set {
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mergeOptions = value;
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}
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}
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internal ParallelExecutionMode ExecMode {
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get {
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return execMode;
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}
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set {
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execMode = value;
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}
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}
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IEnumerator IEnumerable.GetEnumerator ()
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{
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return GetEnumeratorTrick ();
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}
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// Trick to get the correct IEnumerator from ParallelQuery<TSource>
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internal virtual IEnumerator GetEnumeratorTrick ()
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{
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return null;
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}
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internal virtual ParallelQuery<object> TypedQuery {
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get {
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return null;
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}
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}
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}
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public class ParallelQuery<TSource> : ParallelQuery, IEnumerable<TSource>, IEnumerable
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{
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QueryBaseNode<TSource> node;
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internal ParallelQuery (QueryBaseNode<TSource> node)
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{
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this.node = node;
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}
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internal QueryBaseNode<TSource> Node {
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get {
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return node;
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}
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}
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public virtual IEnumerator<TSource> GetEnumerator ()
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{
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return GetEnumeratorInternal ();
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}
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IEnumerator IEnumerable.GetEnumerator ()
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{
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return (IEnumerator)GetEnumeratorInternal ();
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}
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IEnumerator<TSource> GetEnumeratorInternal ()
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{
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return new ParallelQueryEnumerator<TSource> (node);
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}
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internal override IEnumerator GetEnumeratorTrick ()
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{
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return (IEnumerator)GetEnumeratorInternal ();
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}
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internal override ParallelQuery<object> TypedQuery {
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get {
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return new ParallelQuery<object> (new QueryCastNode<TSource> (node));
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}
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}
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}
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}
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#endif
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