granicus.if.org Git - icinga2/blob - lib/livestatus/aggregator.hpp

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #ifndef AGGREGATOR_H
   4 #define AGGREGATOR_H
   5
   6 #include "livestatus/i2-livestatus.hpp"
   7 #include "livestatus/table.hpp"
   8 #include "livestatus/filter.hpp"
   9
  10 namespace icinga
  11 {
  12
  13 /**
  14  * @ingroup livestatus
  15  */
  16 struct AggregatorState
  17 {
  18         virtual ~AggregatorState();
  19 };
  20
  21 /**
  22  * @ingroup livestatus
  23  */
  24 class Aggregator : public Object
  25 {
  26 public:
  27         DECLARE_PTR_TYPEDEFS(Aggregator);
  28
  29         virtual void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) = 0;
  30         virtual double GetResultAndFreeState(AggregatorState *state) const = 0;
  31         void SetFilter(const Filter::Ptr& filter);
  32
  33 protected:
  34         Aggregator() = default;
  35
  36         Filter::Ptr GetFilter() const;
  37
  38 private:
  39         Filter::Ptr m_Filter;
  40 };
  41
  42 }
  43
  44 #endif /* AGGREGATOR_H */