117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
/*
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DependencyFactory - managing the lifecycle of singletons and dependencies
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Copyright (C) Lumiera.org
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2013, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file dependency-factory.cpp
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** This compilation unit holds the common backend of all singleton and dependency factories.
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**
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*/
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#include "lib/dependency-factory.hpp"
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#include "lib/del-stash.hpp"
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namespace lib {
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namespace error = lumiera::error;
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namespace { // private implementation details...
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class AutoDestructor
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{
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DelStash destructionExecutor_;
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static bool shutdownLock;
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static AutoDestructor&
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instance()
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{
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static AutoDestructor _instance_;
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return _instance_;
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}
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~AutoDestructor()
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{
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shutdownLock = true;
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}
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static void
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__lifecycleCheck()
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{
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if (shutdownLock)
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throw error::Fatal("Attempt to re-access a service, "
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"while Application is already in shutdown"
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,error::LUMIERA_ERROR_LIFECYCLE);
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}
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public:
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static void
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schedule (void* object, DependencyFactory::KillFun customDeleter)
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{
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__lifecycleCheck();
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instance().destructionExecutor_.manage (object, customDeleter);
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}
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static void
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kill (void* object)
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{
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__lifecycleCheck();
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instance().destructionExecutor_.kill (object);
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}
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};
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bool AutoDestructor::shutdownLock = false;
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// struct TemporarySwitch
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// {
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// void* originalInstance;
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// InstanceConstructor originalCtor;
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// };
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//
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// static TemporarySwitch temporarySwitch;
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}
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/** */
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/** */
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void
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DependencyFactory::deconfigure (void* existingInstance)
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{
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AutoDestructor::kill (existingInstance);
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}
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void
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DependencyFactory::scheduleDestruction (void* object, KillFun customDeleter)
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{
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AutoDestructor::schedule (object, customDeleter);
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}
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}// lib
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