68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
// +------------------------------------------------------------------+
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// | ____ _ _ __ __ _ __ |
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// | / ___| |__ ___ ___| | __ | \/ | |/ / |
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// | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
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// | | |___| | | | __/ (__| < | | | | . \ |
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// | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
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// | |
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// | Copyright Mathias Kettner 2014 mk@mathias-kettner.de |
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// +------------------------------------------------------------------+
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//
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// This file is part of Check_MK.
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// The official homepage is at http://mathias-kettner.de/check_mk.
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//
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// check_mk is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation in version 2. check_mk is distributed
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// in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
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// out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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// PARTICULAR PURPOSE. See the GNU General Public License for more de-
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// tails. You should have received a copy of the GNU General Public
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// License along with GNU Make; see the file COPYING. If not, write
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// to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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// Boston, MA 02110-1301 USA.
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#include "StatsColumn.h"
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#include <ostream>
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#include <stdexcept>
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#include <utility>
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#include "Aggregator.h"
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#include "AndingFilter.h"
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#include "Column.h"
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#include "CountAggregator.h"
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#include "Filter.h"
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#include "Logger.h"
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StatsColumnCount::StatsColumnCount(std::unique_ptr<Filter> filter)
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: _filter(std::move(filter)) {}
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std::unique_ptr<Filter> StatsColumnCount::stealFilter() {
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return std::move(_filter);
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}
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std::unique_ptr<Aggregator> StatsColumnCount::createAggregator(
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Logger * /*logger*/) const {
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return std::make_unique<CountAggregator>(_filter.get());
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}
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// Note: We create an "accept all" filter, just in case we fall back to
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// counting.
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StatsColumnOp::StatsColumnOp(AggregationFactory factory, Column *column)
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: _factory(std::move(factory))
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, _column(column)
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, _filter(AndingFilter::make(Filter::Kind::stats, Filters())) {}
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std::unique_ptr<Filter> StatsColumnOp::stealFilter() {
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throw std::runtime_error("not a counting aggregator");
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}
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std::unique_ptr<Aggregator> StatsColumnOp::createAggregator(
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Logger *logger) const {
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try {
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return _column->createAggregator(_factory);
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} catch (const std::runtime_error &e) {
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Informational(logger) << e.what() << ", falling back to counting";
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return std::make_unique<CountAggregator>(_filter.get());
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}
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}
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