icinga2/lib/livestatus/invsumaggregator.cpp

41 lines
1.8 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2015 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 "livestatus/invsumaggregator.hpp"
using namespace icinga;
InvSumAggregator::InvSumAggregator(const String& attr)
: m_InvSum(0), m_InvSumAttr(attr)
{ }
void InvSumAggregator::Apply(const Table::Ptr& table, const Value& row)
{
Column column = table->GetColumn(m_InvSumAttr);
Value value = column.ExtractValue(row);
m_InvSum += (1.0 / value);
}
double InvSumAggregator::GetResult(void) const
{
return m_InvSum;
}