mirror of https://github.com/Icinga/icinga2.git
155 lines
4.3 KiB
C++
155 lines
4.3 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 OBJECTMAP_H
|
|
#define OBJECTMAP_H
|
|
|
|
namespace icinga
|
|
{
|
|
|
|
template<typename TKey = string, typename TValue = Object::Ptr>
|
|
class ObjectMap : public Object
|
|
{
|
|
public:
|
|
typedef shared_ptr<ObjectMap<TKey, TValue> > Ptr;
|
|
typedef weak_ptr<ObjectMap<TKey, TValue > > WeakPtr;
|
|
|
|
typedef typename multimap<TKey, TValue>::iterator Iterator;
|
|
typedef pair<Iterator, Iterator> Range;
|
|
|
|
ObjectMap(const typename ObjectSet<TValue>::Ptr& parent,
|
|
function<bool (const TValue&, TKey *key)> keygetter)
|
|
: m_Parent(parent), m_KeyGetter(keygetter)
|
|
{
|
|
assert(m_Parent);
|
|
assert(m_KeyGetter);
|
|
}
|
|
|
|
void Start(void)
|
|
{
|
|
m_Parent->OnObjectAdded.connect(boost::bind(&ObjectMap::ObjectAddedHandler, this, _2));
|
|
m_Parent->OnObjectCommitted.connect(boost::bind(&ObjectMap::ObjectCommittedHandler, this, _2));
|
|
m_Parent->OnObjectRemoved.connect(boost::bind(&ObjectMap::ObjectRemovedHandler, this, _2));
|
|
|
|
BOOST_FOREACH(const TValue& object, m_Parent) {
|
|
AddObject(object);
|
|
}
|
|
}
|
|
|
|
Range GetRange(TKey key)
|
|
{
|
|
return m_Objects.equal_range(key);
|
|
}
|
|
|
|
void ForeachObject(TKey key, function<void (const typename ObjectMap<TValue>::Ptr, const TValue&)> callback)
|
|
{
|
|
Range range = GetRange(key);
|
|
|
|
BOOST_FOREACH(const TValue& object, range) {
|
|
callback(GetSelf(), object);
|
|
}
|
|
}
|
|
|
|
private:
|
|
multimap<TKey, TValue> m_Objects;
|
|
typename ObjectSet<TValue>::Ptr m_Parent;
|
|
function<bool (const TValue&, TKey *key)> m_KeyGetter;
|
|
|
|
void AddObject(const TValue& object)
|
|
{
|
|
TKey key;
|
|
if (!m_KeyGetter(object, &key))
|
|
return;
|
|
|
|
m_Objects.insert(make_pair(key, object));
|
|
}
|
|
|
|
void RemoveObject(const TValue& object)
|
|
{
|
|
TKey key;
|
|
if (!m_KeyGetter(object, &key))
|
|
return;
|
|
|
|
pair<Iterator, Iterator> range = GetRange(key);
|
|
|
|
for (Iterator i = range.first; i != range.second; i++) {
|
|
if (i->second == object) {
|
|
m_Objects.erase(i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CheckObject(const TValue& object)
|
|
{
|
|
RemoveObject(object);
|
|
AddObject(object);
|
|
}
|
|
|
|
void ObjectAddedHandler(const TValue& object)
|
|
{
|
|
AddObject(object);
|
|
}
|
|
|
|
void ObjectCommittedHandler(const TValue& object)
|
|
{
|
|
CheckObject(object);
|
|
}
|
|
|
|
void ObjectRemovedHandler(const TValue& object)
|
|
{
|
|
RemoveObject(object);
|
|
}
|
|
};
|
|
|
|
template<typename TKey, typename TValue>
|
|
typename ObjectMap<TKey, TValue>::Iterator range_begin(typename ObjectMap<TKey, TValue>::Ptr x)
|
|
{
|
|
return x->Begin();
|
|
}
|
|
|
|
template <typename TKey, typename TValue>
|
|
typename ObjectSet<TValue>::Iterator range_end(typename ObjectMap<TKey, TValue>::Ptr x)
|
|
{
|
|
return x->End();
|
|
}
|
|
|
|
}
|
|
|
|
namespace boost
|
|
{
|
|
|
|
template<typename TKey, typename TValue>
|
|
struct range_mutable_iterator<shared_ptr<icinga::ObjectMap<TKey, TValue> > >
|
|
{
|
|
typedef shared_ptr<icinga::ObjectMap<TKey, TValue> > objtype;
|
|
typedef typename objtype::Iterator type;
|
|
};
|
|
|
|
template<typename TKey, typename TValue>
|
|
struct range_const_iterator<shared_ptr<icinga::ObjectMap<TKey, TValue> > >
|
|
{
|
|
typedef shared_ptr<icinga::ObjectMap<TKey, TValue> > objtype;
|
|
typedef typename objtype::Iterator type;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* OBJECTMAP_H */
|