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//
// AutoReleasePool.h
//
// Library: Foundation
// Package: Core
// Module: AutoReleasePool
//
// Definition of the AutoReleasePool class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_AutoReleasePool_INCLUDED
#define Foundation_AutoReleasePool_INCLUDED
#include "Poco/Foundation.h"
#include <list>
namespace Poco {
template <class C>
class AutoReleasePool
/// An AutoReleasePool implements simple garbage collection for
/// reference-counted objects.
/// It temporarily takes ownership of reference-counted objects that
/// nobody else wants to take ownership of and releases them
/// at a later, appropriate point in time.
///
/// Note: The correct way to add an object hold by an AutoPtr<> to
/// an AutoReleasePool is by invoking the AutoPtr's duplicate()
/// method. Example:
/// AutoReleasePool<C> arp;
/// AutoPtr<C> ptr = new C;
/// ...
/// arp.add(ptr.duplicate());
{
public:
AutoReleasePool()
/// Creates the AutoReleasePool.
{
}
~AutoReleasePool()
/// Destroys the AutoReleasePool and releases
/// all objects it currently holds.
{
release();
}
void add(C* pObject)
/// Adds the given object to the AutoReleasePool.
/// The object's reference count is not modified
{
if (pObject)
_list.push_back(pObject);
}
void release()
/// Releases all objects the AutoReleasePool currently holds
/// by calling each object's release() method.
{
while (!_list.empty())
{
_list.front()->release();
_list.pop_front();
}
}
private:
typedef std::list<C*> ObjectList;
ObjectList _list;
};
} // namespace Poco
#endif // Foundation_AutoReleasePool_INCLUDED
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