icinga2/lib/livestatus/invsumaggregator.hpp

42 lines
775 B
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef INVSUMAGGREGATOR_H
#define INVSUMAGGREGATOR_H
#include "livestatus/table.hpp"
#include "livestatus/aggregator.hpp"
namespace icinga
{
/**
* @ingroup livestatus
*/
struct InvSumAggregatorState final : public AggregatorState
{
double InvSum{0};
};
/**
* @ingroup livestatus
*/
class InvSumAggregator final : public Aggregator
{
public:
DECLARE_PTR_TYPEDEFS(InvSumAggregator);
InvSumAggregator(String attr);
void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override;
double GetResultAndFreeState(AggregatorState *state) const override;
private:
String m_InvSumAttr;
static InvSumAggregatorState *EnsureState(AggregatorState **state);
};
}
#endif /* INVSUMAGGREGATOR_H */