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moved buffer logic into dedicated class
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|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| // File name: PooledObjectBuffer.cs | ||
| // | ||
| // Author(s): Alessio Parma <alessio.parma@gmail.com> | ||
| // | ||
| // The MIT License (MIT) | ||
| // | ||
| // Copyright (c) 2013-2018 Alessio Parma <alessio.parma@gmail.com> | ||
| // | ||
| // 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; | ||
| using System.Threading; | ||
|
|
||
| namespace CodeProject.ObjectPool.Core | ||
| { | ||
| /// <summary> | ||
| /// A buffer into which pooled objects are stored. This buffer mostly behaves like a queue, | ||
| /// even if that behaviour is not stricly respected in order to maximize performance. | ||
| /// </summary> | ||
| /// <typeparam name="T"> | ||
| /// The type of the object that which will be managed by the pool. The pooled object have to be | ||
| /// a sub-class of PooledObject. | ||
| /// </typeparam> | ||
| public sealed class PooledObjectBuffer<T> | ||
| where T : PooledObject | ||
| { | ||
| /// <summary> | ||
| /// The concurrent buffer containing pooled objects. | ||
| /// </summary> | ||
| private T[] _pooledObjects; | ||
|
|
||
| public int Capacity => _pooledObjects.Length; | ||
|
|
||
| public int Count | ||
| { | ||
| get | ||
| { | ||
| var count = 0; | ||
| for (var i = 0; i < _pooledObjects.Length; ++i) | ||
| { | ||
| if (_pooledObjects[i] != null) | ||
| { | ||
| count++; | ||
| } | ||
| } | ||
| return count; | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// All objects currently stored inside the pool. | ||
| /// </summary> | ||
| protected IEnumerable<T> PooledObjects | ||
| { | ||
| get | ||
| { | ||
| for (var i = 0; i <= _pooledObjects.Length; ++i) | ||
| { | ||
| var item = _pooledObjects[i]; | ||
| if (item != null) | ||
| { | ||
| yield return item; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public bool TryDequeue(out T pooledObject) | ||
| { | ||
| for (var i = 0; i < _pooledObjects.Length; i++) | ||
| { | ||
| var item = _pooledObjects[i]; | ||
| if (item != null && Interlocked.CompareExchange(ref _pooledObjects[i], null, item) == item) | ||
| { | ||
| pooledObject = item; | ||
| return true; | ||
| } | ||
| } | ||
| pooledObject = null; | ||
| return false; | ||
| } | ||
|
|
||
| public bool TryEnqueue(T pooledObject) | ||
| { | ||
| for (var i = 0; i < _pooledObjects.Length; i++) | ||
| { | ||
| ref var item = ref _pooledObjects[i]; | ||
| if (item == null && Interlocked.CompareExchange(ref item, pooledObject, null) == null) | ||
| { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| public void ResizeBuffer(int newSize) | ||
| { | ||
| if (_pooledObjects == null) | ||
| { | ||
| _pooledObjects = new T[newSize]; | ||
| return; | ||
| } | ||
|
|
||
| var currentSize = _pooledObjects.Length; | ||
| if (currentSize == newSize) | ||
| { | ||
| // Nothing to do. | ||
| return; | ||
| } | ||
|
|
||
| if (currentSize > newSize) | ||
| { | ||
| for (var i = newSize; i < currentSize; ++i) | ||
| { | ||
| ref var item = ref _pooledObjects[i]; | ||
| if (item != null) | ||
| { | ||
| item.Dispose(); | ||
| item = null; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| Array.Resize(ref _pooledObjects, newSize); | ||
| } | ||
| } | ||
| } |
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29 changes: 29 additions & 0 deletions
29
test/CodeProject.ObjectPool.Examples/Customizations/TimedObjectPool.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| // File name: TimedObjectPool.cs | ||
| // | ||
| // Author(s): Alessio Parma <alessio.parma@gmail.com> | ||
| // | ||
| // The MIT License (MIT) | ||
| // | ||
| // Copyright (c) 2013-2018 Alessio Parma <alessio.parma@gmail.com> | ||
| // | ||
| // 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. | ||
|
|
||
| namespace CodeProject.ObjectPool.Examples.Customizations | ||
| { | ||
| internal class TimedObjectPool | ||
| { | ||
| } | ||
| } |