icinga2/dyn/objectmap.cpp

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/******************************************************************************
* 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. *
******************************************************************************/
#include "i2-dyn.h"
using namespace icinga;
ObjectMap::ObjectMap(const ObjectSet::Ptr& parent, ObjectKeyGetter keygetter)
: m_Parent(parent), m_KeyGetter(keygetter)
{
assert(m_Parent);
assert(m_KeyGetter);
}
void ObjectMap::Start(void)
{
m_Parent->OnObjectAdded += bind_weak(&ObjectMap::ObjectAddedHandler, shared_from_this());
m_Parent->OnObjectCommitted += bind_weak(&ObjectMap::ObjectCommittedHandler, shared_from_this());
m_Parent->OnObjectRemoved += bind_weak(&ObjectMap::ObjectRemovedHandler, shared_from_this());
for (ObjectSet::Iterator it = m_Parent->Begin(); it != m_Parent->End(); it++)
AddObject(*it);
}
void ObjectMap::AddObject(const Object::Ptr& object)
{
string key;
if (!m_KeyGetter(object, &key))
return;
m_Objects.insert(pair<string, Object::Ptr>(key, object));
}
void ObjectMap::RemoveObject(const Object::Ptr& object)
{
string 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 ObjectMap::CheckObject(const Object::Ptr& object)
{
RemoveObject(object);
AddObject(object);
}
ObjectMap::Range ObjectMap::GetRange(string key)
{
return m_Objects.equal_range(key);
}
int ObjectMap::ObjectAddedHandler(const ObjectSetEventArgs& ea)
{
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AddObject(ea.Target);
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return 0;
}
int ObjectMap::ObjectCommittedHandler(const ObjectSetEventArgs& ea)
{
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CheckObject(ea.Target);
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return 0;
}
int ObjectMap::ObjectRemovedHandler(const ObjectSetEventArgs& ea)
{
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RemoveObject(ea.Target);
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return 0;
}