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#ifndef TriggerResultsFilterFromDB_h
#define TriggerResultsFilterFromDB_h
/** \class TriggerResultsFilterFromDB
*
*
* This class is an EDFilter implementing filtering on arbitrary logical combinations
* of L1 and HLT results.
*
* It is a modifed version of TriggerResultsFilter that reads the trigger expression
* from the database.
*
*
* Authors: Martin Grunewald, Andrea Bocci
*
*/
#include <vector>
#include <string>
#include "FWCore/Framework/interface/ESWatcher.h"
#include "FWCore/Framework/interface/stream/EDFilter.h"
#include "CondFormats/DataRecord/interface/AlCaRecoTriggerBitsRcd.h"
#include "HLTrigger/HLTcore/interface/TriggerExpressionData.h"
// forward declaration
namespace edm {
class ConfigurationDescriptions;
}
namespace triggerExpression {
class Evaluator;
}
//
// class declaration
//
class TriggerResultsFilterFromDB : public edm::stream::EDFilter<> {
public:
explicit TriggerResultsFilterFromDB(const edm::ParameterSet &);
~TriggerResultsFilterFromDB() override;
static void fillDescriptions(edm::ConfigurationDescriptions &descriptions);
bool filter(edm::Event &, const edm::EventSetup &) override;
private:
/// read the triggerConditions from the database
void pathsFromSetup(const edm::Event &, const edm::EventSetup &setup);
/// parse the logical expression into functionals
void parse(const std::string &expression);
void parse(const std::vector<std::string> &expressions);
/// read the triggerConditions from the database
std::string m_eventSetupPathsKey;
edm::ESWatcher<AlCaRecoTriggerBitsRcd> m_eventSetupWatcher;
edm::ESGetToken<AlCaRecoTriggerBits, AlCaRecoTriggerBitsRcd> const m_alcaRecoTriggerBitsRcdToken;
/// evaluator for the trigger condition
triggerExpression::Evaluator *m_expression;
/// cache some data from the Event for faster access by the m_expression
triggerExpression::Data m_eventCache;
};
#endif //TriggerResultsFilterFromDB_h
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