102 lines
2.9 KiB
C#
102 lines
2.9 KiB
C#
/****************************************************************************
|
|
* Copyright (c) 2017 ~ 2021.4 liangxie
|
|
*
|
|
* http://qframework.io
|
|
* https://github.com/liangxiegame/QFramework
|
|
*
|
|
* 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.Collections.Generic;
|
|
using UnityEngine;
|
|
|
|
namespace QFramework
|
|
{
|
|
public interface IRefCounter
|
|
{
|
|
int RefCount { get; }
|
|
|
|
void Retain(object refOwner = null);
|
|
void Release(object refOwner = null);
|
|
}
|
|
|
|
public class SimpleRC : IRefCounter
|
|
{
|
|
public SimpleRC()
|
|
{
|
|
RefCount = 0;
|
|
}
|
|
|
|
public int RefCount { get; private set; }
|
|
|
|
public void Retain(object refOwner = null)
|
|
{
|
|
++RefCount;
|
|
}
|
|
|
|
public void Release(object refOwner = null)
|
|
{
|
|
--RefCount;
|
|
if (RefCount == 0)
|
|
{
|
|
OnZeroRef();
|
|
}
|
|
}
|
|
|
|
protected virtual void OnZeroRef()
|
|
{
|
|
}
|
|
}
|
|
|
|
public sealed class SafeARC : IRefCounter
|
|
{
|
|
public int RefCount
|
|
{
|
|
get { return mOwners.Count; }
|
|
}
|
|
|
|
public HashSet<object> Owners
|
|
{
|
|
get { return mOwners; }
|
|
}
|
|
|
|
readonly HashSet<object> mOwners = new HashSet<object>();
|
|
|
|
public void Retain(object refOwner)
|
|
{
|
|
if (!Owners.Add(refOwner))
|
|
{
|
|
Debug.LogError("ObjectIsAlreadyRetainedByOwnerException");
|
|
}
|
|
}
|
|
|
|
public void Release(object refOwner)
|
|
{
|
|
if (!Owners.Remove(refOwner))
|
|
{
|
|
Debug.LogError("ObjectIsNotRetainedByOwnerExceptionWithHint");
|
|
}
|
|
}
|
|
}
|
|
|
|
public sealed class UnsafeARC : SimpleRC
|
|
{
|
|
|
|
}
|
|
} |