#include "IEventWeighter.hxx"
#include "IWeighterFactory.hxx"

bool COMET::IEventWeighter::SetWeighter(const std::string& weighter){
    COMET::IVWeighter* new_weighter=COMET::IWeighterFactory::Make(weighter,"weighter");
    if(!new_weighter)return false;

    IEventWeighter& this_mgr=Instance();
    if(this_mgr.fWeighter) delete this_mgr.fWeighter;
    this_mgr.fWeighter=new_weighter;
    return true;
}

double COMET::IEventWeighter::CalculateWeight(const COMET::ICOMETEvent& event){
    IEventWeighter& this_mgr=Instance();
    if(this_mgr.fWeighter){
        this_mgr.fCurrentWeight=this_mgr.fWeighter->CalculateWeight(event);
    }
    return this_mgr.GetWeight();
}