1 /******************************************************************************
3 * Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
5 * This program is free software; you can redistribute it and/or *
6 * modify it under the terms of the GNU General Public License *
7 * as published by the Free Software Foundation; either version 2 *
8 * of the License, or (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the Free Software Foundation *
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
18 ******************************************************************************/
20 #include "livestatus/invsumaggregator.hpp"
22 using namespace icinga;
24 InvSumAggregator::InvSumAggregator(const String& attr)
28 InvSumAggregatorState *InvSumAggregator::EnsureState(AggregatorState **state)
31 *state = new InvSumAggregatorState();
33 return static_cast<InvSumAggregatorState *>(*state);
36 void InvSumAggregator::Apply(const Table::Ptr& table, const Value& row, AggregatorState **state)
38 Column column = table->GetColumn(m_InvSumAttr);
40 Value value = column.ExtractValue(row);
42 InvSumAggregatorState *pstate = EnsureState(state);
44 pstate->InvSum += (1.0 / value);
47 double InvSumAggregator::GetResultAndFreeState(AggregatorState *state) const
49 InvSumAggregatorState *pstate = EnsureState(&state);
50 double result = pstate->InvSum;