mirror of https://github.com/Icinga/icinga2.git
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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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 *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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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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* *
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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 Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef ASYNCTASK_H
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#define ASYNCTASK_H
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namespace icinga
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{
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template<typename T>
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class AsyncTask : public Object
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{
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public:
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typedef shared_ptr<AsyncTask<T> > Ptr;
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typedef weak_ptr<AsyncTask<T> > WeakPtr;
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typedef function<void (const shared_ptr<T>&)> CompletionCallback;
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AsyncTask(const CompletionCallback& completionCallback)
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: m_Finished(false), m_CompletionCallback(completionCallback)
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{ }
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~AsyncTask(void)
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{
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assert(m_Finished);
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}
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void Start(void)
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{
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assert(Application::IsMainThread());
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Run();
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}
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protected:
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virtual void Run(void) = 0;
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void Finish(void)
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{
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Event::Post(boost::bind(&T::ForwardCallback, static_cast<shared_ptr<T> >(GetSelf())));
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}
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private:
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void ForwardCallback(void)
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{
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m_CompletionCallback(GetSelf());
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m_CompletionCallback = CompletionCallback();
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m_Finished = true;
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}
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bool m_Finished;
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CompletionCallback m_CompletionCallback;
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};
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}
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#endif /* ASYNCTASK_H */
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