mirror of https://github.com/Icinga/icinga2.git
93 lines
2.5 KiB
C++
93 lines
2.5 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 EVENT_H
|
|
#define EVENT_H
|
|
|
|
namespace icinga
|
|
{
|
|
|
|
struct I2_BASE_API EventArgs
|
|
{
|
|
Object::Ptr Source;
|
|
};
|
|
|
|
template<class TArgs>
|
|
class Event
|
|
{
|
|
public:
|
|
typedef function<int (const TArgs&)> DelegateType;
|
|
|
|
private:
|
|
vector<DelegateType> m_Delegates;
|
|
|
|
public:
|
|
/**
|
|
* operator +=
|
|
*
|
|
* Adds a delegate to this event.
|
|
*
|
|
* @param rhs The delegate.
|
|
*/
|
|
Event<TArgs>& operator +=(const DelegateType& rhs)
|
|
{
|
|
m_Delegates.push_back(rhs);
|
|
return *this;
|
|
}
|
|
|
|
/**
|
|
* operator -=
|
|
*
|
|
* Removes a delegate from this event.
|
|
*
|
|
* @param rhs The delegate.
|
|
*/
|
|
Event<TArgs>& operator -=(const DelegateType& rhs)
|
|
{
|
|
m_Delegates.erase(rhs);
|
|
return *this;
|
|
}
|
|
|
|
/**
|
|
* operator ()
|
|
*
|
|
* Invokes each delegate that is registered for this event. Any delegates
|
|
* which return -1 are removed.
|
|
*
|
|
* @param args Event arguments.
|
|
*/
|
|
void operator()(const TArgs& args)
|
|
{
|
|
typename vector<DelegateType>::iterator i;
|
|
|
|
for (i = m_Delegates.begin(); i != m_Delegates.end(); ) {
|
|
int result = (*i)(args);
|
|
|
|
if (result == -1)
|
|
i = m_Delegates.erase(i);
|
|
else
|
|
i++;
|
|
}
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* EVENT_H */
|