70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
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//
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// Copyright (c) 2010-2011 Matthew Jack and Doug Binks
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#include "ReferenceCountable.h"
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#include <assert.h>
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ReferenceCountable::ReferenceCountable(int initial_count /* = 1 */) : m_refCount(initial_count)
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{
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}
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ReferenceCountable::~ReferenceCountable()
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{
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assert(m_refCount == 0);
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}
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int ReferenceCountable::GetReferenceCount()
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{
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return m_refCount;
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}
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void ReferenceCountable::AddReference()
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{
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++m_refCount;
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if (m_refCount == 1)
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{
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OnReferenceActivate();
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}
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}
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void ReferenceCountable::RemoveReference()
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{
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assert(m_refCount > 0);
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--m_refCount;
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if (m_refCount == 0)
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{
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OnReferenceDeactivate();
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}
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}
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ReferenceCountable& ReferenceCountable::operator=(const ReferenceCountable&)
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{
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assert(false && "attempting to copy reference countable object. Not a good idea!");
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return *this;
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}
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void ReferenceCountable::OnReferenceActivate()
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{
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// Hook method
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}
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void ReferenceCountable::OnReferenceDeactivate()
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{
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// Hook method
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}
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