Trigger.cpp

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#include "cafe/Trigger.hpp"

#include <algorithm>
#include "cafe/Config.hpp"
#include "cafe/Event.hpp"
#include "tmb_tree/TMBTrigger.hpp"

namespace cafe {

    Trigger::Trigger(const char *name)
        : Processor(name),
          _vars("_trgname")
    {
        using namespace std;

        Config config(name);
        vector<string> temp = config.getVString("Triggers", " ,");
        _triggerNames.insert(temp.begin(), temp.end());

        if(_triggerNames.size() == 0) {
            warn() << "Trigger[" << name << "] No triggers specified ? All events will fail"
                  << endl;
        }

        out() << "Trigger[" << name << "] Triggers = ";
        for(set<string>::iterator it = _triggerNames.begin();
            it != _triggerNames.end(); ++it) {
            out() << *it << ' ';
        }
        out() << endl;
    }
        
    bool Trigger::processEvent(Event& event) 
    {
        using namespace std;

        Collection<TMBTrigger> triggers = event.getTriggers(_vars);

        //
        // This is proportional to the number of triggers in the event
        // and about log(numUserTriggers).
        //
        for(Collection<TMBTrigger>::const_iterator it = triggers.begin();
            it != triggers.end();
            ++it) {
            if(_triggerNames.find((*it).getTrgName()) != _triggerNames.end()) {
                return true;
            }
        }

        return false;
    }

}

ClassImp(cafe::Trigger)

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