MSVertexRecoAlg.cxx

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#include "MSVertexRecoAlg.h"
 
#include "MSVertexUtils/MSVertex.h"
#include "MSVertexUtils/Tracklet.h"
 
//** ----------------------------------------------------------------------------------------------------------------- **//
 
MSVertexRecoAlg::MSVertexRecoAlg(const std::string& name, ISvcLocator* pSvcLocator) : AthReentrantAlgorithm(name, pSvcLocator) {}
 
//** ----------------------------------------------------------------------------------------------------------------- **//
 
StatusCode MSVertexRecoAlg::initialize() {
    //* Retrieve MSVertexRecoTool *//
    ATH_CHECK(m_vertexRecoTool.retrieve());
    ATH_MSG_DEBUG("Retrieved tool " << m_vertexRecoTool);
 
    //* Retrieve MSVertexTrackletTool *//
    ATH_CHECK(m_vertexTrackletTool.retrieve());
    ATH_MSG_DEBUG("Retrieved tool " << m_vertexTrackletTool);
 
    return StatusCode::SUCCESS;
}
 
//** ----------------------------------------------------------------------------------------------------------------- **//
 
StatusCode MSVertexRecoAlg::execute(const EventContext& ctx) const {
    std::vector<Tracklet> tracklets;
    std::vector<MSVertex*> vertices;
 
    StatusCode sc = m_vertexTrackletTool->findTracklets(tracklets, ctx);
    if (sc.isFailure()) {
        ATH_MSG_FATAL("Failed vertex tracklet ");
        return StatusCode::FAILURE;
    } else
        ATH_MSG_DEBUG("Tracklet reconstruction tool called");
 
    sc = m_vertexRecoTool->findMSvertices(tracklets, vertices, ctx);
    if (sc.isFailure()) {
        ATH_MSG_FATAL("Failed vertex reco ");
        return StatusCode::FAILURE;
    } else
        ATH_MSG_DEBUG("Vertex reconstruction tool called");
 
    ATH_MSG_DEBUG("Found " << tracklets.size() << " tracklets and " << vertices.size() << " vertices in the MS");
 
    return StatusCode::SUCCESS;
}