icinga2/base/asynctask.h

65 lines
2.0 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef ASYNCTASK_H
#define ASYNCTASK_H
namespace icinga
{
template<typename T>
class AsyncTask : public Object
{
public:
typedef shared_ptr<AsyncTask<T> > Ptr;
typedef weak_ptr<AsyncTask<T> > WeakPtr;
AsyncTask(void)
: m_Finished(false)
{ }
~AsyncTask(void)
{
assert(m_Finished);
}
void Start(void)
{
assert(Application::IsMainThread());
Run();
}
boost::signal<void (const shared_ptr<T>&)> OnTaskCompleted;
protected:
virtual void Run(void) = 0;
void Finish(void)
{
Event::Post(boost::bind(boost::cref(OnTaskCompleted), static_cast<shared_ptr<T> >(GetSelf())));
}
bool m_Finished;
};
}
#endif /* ASYNCTASK_H */