94 lines
2.4 KiB
C#
94 lines
2.4 KiB
C#
//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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namespace System.ServiceModel
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{
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using System.Collections.Generic;
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using System.Threading;
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class SynchronizedDisposablePool<T> where T : class, IDisposable
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{
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List<T> items;
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int maxCount;
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bool disposed;
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public SynchronizedDisposablePool(int maxCount)
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{
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this.items = new List<T>();
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this.maxCount = maxCount;
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}
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object ThisLock
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{
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get { return this; }
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}
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public void Dispose()
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{
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T[] items;
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lock (ThisLock)
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{
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if (!disposed)
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{
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disposed = true;
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if (this.items.Count > 0)
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{
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items = new T[this.items.Count];
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this.items.CopyTo(items, 0);
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this.items.Clear();
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}
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else
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{
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items = null;
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}
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}
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else
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{
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items = null;
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}
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}
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if (items != null)
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{
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for (int i = 0; i < items.Length; i++)
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{
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items[i].Dispose();
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}
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}
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}
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public bool Return(T value)
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{
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if (!disposed && this.items.Count < this.maxCount)
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{
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lock (ThisLock)
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{
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if (!disposed && this.items.Count < this.maxCount)
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{
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this.items.Add(value);
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return true;
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}
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}
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}
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return false;
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}
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public T Take()
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{
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if (!disposed && this.items.Count > 0)
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{
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lock (ThisLock)
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{
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if (!disposed && this.items.Count > 0)
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{
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int index = this.items.Count - 1;
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T item = this.items[index];
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this.items.RemoveAt(index);
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return item;
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}
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}
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}
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return null;
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}
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}
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}
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