icinga2/lib/base/dependencygraph.hpp

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/******************************************************************************
* Icinga 2 *
2016-01-12 08:29:59 +01:00
* Copyright (C) 2012-2016 Icinga Development Team (https://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 DEPENDENCYGRAPH_H
#define DEPENDENCYGRAPH_H
#include "base/i2-base.hpp"
#include "base/object.hpp"
#include <map>
namespace icinga {
/**
* A graph that tracks dependencies between objects.
*
* @ingroup base
*/
class I2_BASE_API DependencyGraph
{
public:
static void AddDependency(Object *parent, Object *child);
static void RemoveDependency(Object *parent, Object *child);
static std::vector<Object::Ptr> GetParents(const Object::Ptr& child);
private:
DependencyGraph(void);
static boost::mutex m_Mutex;
static std::map<Object *, std::map<Object *, int> > m_Dependencies;
};
}
#endif /* DEPENDENCYGRAPH_H */