72 lines
2.0 KiB
C#
72 lines
2.0 KiB
C#
//
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// TemporaryArea.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) 2012 Xamarin, Inc.
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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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namespace System.Linq.Parallel
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{
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internal class TemporaryArea<TKey, TValue>
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{
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Dictionary<TKey, TValue> dict;
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public TemporaryArea () : this (EqualityComparer<TKey>.Default)
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{
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}
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public TemporaryArea (IEqualityComparer<TKey> comparer)
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{
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this.dict = new Dictionary<TKey, TValue> (comparer);
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}
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public bool TryAdd (TKey index, TValue value)
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{
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lock (dict) {
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if (dict.ContainsKey (index))
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return false;
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dict.Add (index, value);
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return true;
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}
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}
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public bool TryRemove (TKey index, out TValue value)
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{
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lock (dict) {
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if (!dict.TryGetValue (index, out value))
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return false;
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return dict.Remove (index);
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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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