TrigMissingETHypoTool.cxx

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/
 
// ********************************************************************
//
// NAME:     TrigMissingETHypoTool.cxx
// PACKAGE:  Trigger/TrigHypothesis/TrigMissingET
//
//
// ********************************************************************
 
#include "TrigMissingETHypoTool.h"
 
 
TrigMissingETHypoTool::TrigMissingETHypoTool(const std::string& type,
                  const std::string& name,
                  const IInterface* parent):
    base_class(type, name, parent),
    m_decisionId(HLT::Identifier::fromToolName(name)) {}
 
 
TrigMissingETHypoTool::~TrigMissingETHypoTool() {}
 
 
StatusCode TrigMissingETHypoTool::initialize() {
    ATH_MSG_DEBUG("Initializing TrigMissingETHypoTool");
    ATH_MSG_DEBUG("MET threshold set to " << m_metThreshold );
    return StatusCode::SUCCESS;
}
 
StatusCode TrigMissingETHypoTool::finalize() {
    return StatusCode::SUCCESS;
}
 
StatusCode TrigMissingETHypoTool::decide(const xAOD::TrigMissingETContainer* metContainer, bool& pass) const
{
    ATH_MSG_DEBUG("Executing decide() of " << name());
    float ex = (*metContainer)[0]->ex();
    float ey = (*metContainer)[0]->ey();
    float met = std::hypot(ex,ey)/1000.;
    pass = met > m_metThreshold;
 
    ATH_MSG_VERBOSE("in " << name() << ": MET = " << met);
    if (pass)
      ATH_MSG_VERBOSE("Event passes the " << m_metThreshold << " GeV cut");
    else 
      ATH_MSG_VERBOSE("Event fails the " << m_metThreshold << " GeV cut");
 
    return StatusCode::SUCCESS;
 
}
 
const HLT::Identifier& TrigMissingETHypoTool::getId() const{
  return m_decisionId;
}