icinga2/lib/config/objectrule.cpp

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/******************************************************************************
* Icinga 2 *
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* Copyright (C) 2012-2014 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. *
******************************************************************************/
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#include "config/objectrule.hpp"
#include <boost/foreach.hpp>
#include <set>
using namespace icinga;
ObjectRule::RuleMap ObjectRule::m_Rules;
ObjectRule::CallbackMap ObjectRule::m_Callbacks;
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ObjectRule::ObjectRule(const String& name, const Expression::Ptr& expression,
const Expression::Ptr& filter, const DebugInfo& di, const Dictionary::Ptr& scope)
: m_Name(name), m_Expression(expression), m_Filter(filter), m_DebugInfo(di), m_Scope(scope)
{ }
String ObjectRule::GetName(void) const
{
return m_Name;
}
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Expression::Ptr ObjectRule::GetExpression(void) const
{
return m_Expression;
}
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Expression::Ptr ObjectRule::GetFilter(void) const
{
return m_Filter;
}
DebugInfo ObjectRule::GetDebugInfo(void) const
{
return m_DebugInfo;
}
Dictionary::Ptr ObjectRule::GetScope(void) const
{
return m_Scope;
}
void ObjectRule::AddRule(const String& sourceType, const String& name,
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const Expression::Ptr& expression, const Expression::Ptr& filter,
const DebugInfo& di, const Dictionary::Ptr& scope)
{
m_Rules[sourceType].push_back(ObjectRule(name, expression, filter, di, scope));
}
bool ObjectRule::EvaluateFilter(const Dictionary::Ptr& scope) const
{
scope->Set("__parent", m_Scope);
bool result = m_Filter->Evaluate(scope);
scope->Remove("__parent");
return result;
}
void ObjectRule::EvaluateRules(bool clear)
{
std::pair<String, Callback> kv;
BOOST_FOREACH(kv, m_Callbacks) {
const Callback& callback = kv.second;
RuleMap::const_iterator it = m_Rules.find(kv.first);
if (it == m_Rules.end())
continue;
callback(it->second);
}
if (clear)
m_Rules.clear();
}
void ObjectRule::RegisterType(const String& sourceType, const ObjectRule::Callback& callback)
{
m_Callbacks[sourceType] = callback;
}
bool ObjectRule::IsValidSourceType(const String& sourceType)
{
return m_Callbacks.find(sourceType) != m_Callbacks.end();
}