mirror of https://github.com/Icinga/icinga2.git
38 lines
878 B
C++
38 lines
878 B
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "livestatus/invsumaggregator.hpp"
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using namespace icinga;
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InvSumAggregator::InvSumAggregator(String attr)
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: m_InvSumAttr(std::move(attr))
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{ }
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InvSumAggregatorState *InvSumAggregator::EnsureState(AggregatorState **state)
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{
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if (!*state)
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*state = new InvSumAggregatorState();
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return static_cast<InvSumAggregatorState *>(*state);
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}
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void InvSumAggregator::Apply(const Table::Ptr& table, const Value& row, AggregatorState **state)
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{
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Column column = table->GetColumn(m_InvSumAttr);
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Value value = column.ExtractValue(row);
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InvSumAggregatorState *pstate = EnsureState(state);
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pstate->InvSum += (1.0 / value);
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}
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double InvSumAggregator::GetResultAndFreeState(AggregatorState *state) const
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{
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InvSumAggregatorState *pstate = EnsureState(&state);
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double result = pstate->InvSum;
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delete pstate;
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return result;
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}
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