sTGCAsBuiltCondAlg.cxx

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#include "sTGCAsBuiltCondAlg.h"
 
#include <StoreGate/WriteCondHandle.h>
#include <AthenaKernel/IOVInfiniteRange.h>
#include <PathResolver/PathResolver.h>
#include <fstream>
 
 
namespace Muon{
// Initialize
StatusCode sTGCAsBuiltCondAlg::initialize() {
    ATH_MSG_DEBUG("initializing " << name());
    ATH_CHECK(m_idHelperSvc.retrieve());
    ATH_CHECK(m_writeKey.initialize());
    if (m_readKeyDb.empty() && m_readFromJSON.value().empty()){
        ATH_MSG_FATAL("No data source is given to load the as build parameters. Please provide either a COOL folder or a json file");
        return StatusCode::FAILURE;
    } else if (m_readKeyDb.empty()) {
        ATH_MSG_INFO("Load the as built parameters from a JSON file "<<m_readFromJSON);
    } else {
        ATH_MSG_INFO("Load the as built parameters from COOL "<<m_readKeyDb.fullKey());
    }
    ATH_CHECK(m_readKeyDb.initialize(!m_readKeyDb.empty() && m_readFromJSON.value().empty()));
    return StatusCode::SUCCESS;
}
 
// execute
StatusCode sTGCAsBuiltCondAlg::execute(const EventContext& ctx) const {
    ATH_MSG_DEBUG("execute " << name());
    // launching Write Cond Handle
    SG::WriteCondHandle writeHandle{m_writeKey, ctx};
    if (writeHandle.isValid()) {
        ATH_MSG_DEBUG("CondHandle " << writeHandle.fullKey() << " is already valid."
                                    << " In theory this should not be called, but may happen"
                                    << " if multiple concurrent events are being processed out of order.");
        return StatusCode::SUCCESS;
    }
    writeHandle.addDependency(EventIDRange(IOVInfiniteRange::infiniteTime()));
    auto writeCdo{std::make_unique<sTGCAsBuiltData>(m_idHelperSvc.get())};
    if (!m_readKeyDb.empty()) {
        SG::ReadCondHandle readHandle{m_readKeyDb, ctx};
        if (!readHandle.isValid()) {
            ATH_MSG_FATAL("Failed to initialize the COOL folder "<<m_readKeyDb.fullKey());
            return StatusCode::FAILURE;
        }
        writeHandle.addDependency(readHandle);
        for (CondAttrListCollection::const_iterator itr = readHandle->begin(); itr != readHandle->end(); ++itr) {
            const coral::AttributeList& atr = itr->second;
            const std::string data{*(static_cast<const std::string*>((atr["data"]).addressOfData()))};
            nlohmann::json lines = nlohmann::json::parse(data);           
            ATH_CHECK(parseDataFromJSON(lines, *writeCdo)); 
        }
    } else {
       std::ifstream inStream{PathResolverFindCalibFile(m_readFromJSON)};
        if (!inStream.good()) {
            ATH_MSG_FATAL("No such file or directory");
            return StatusCode::FAILURE;
        }
        nlohmann::json lines;
        inStream >> lines;
        ATH_CHECK(parseDataFromJSON(lines, *writeCdo));          
    }
    ATH_CHECK(writeHandle.record(std::move(writeCdo)));
    ATH_MSG_DEBUG("Recorded new " << writeHandle.key() << " with range " << writeHandle.getRange() << " into Conditions Store");
    return StatusCode::SUCCESS;
}
StatusCode sTGCAsBuiltCondAlg::parseDataFromJSON(const nlohmann::json& lines,
                                                   sTGCAsBuiltData& asBuiltData) const {
    for (auto& corr : lines.items()) {
        nlohmann::json line = corr.value(); 
        const std::string stationType = line["station"];
        const int stationPhi = line["phi"];
        const int stationEta = line["eta"];
        const int multiLayer = line["multilayer"];
        const int gasGap = line["gasGap"];
        bool is_valid{false};
        Identifier id;
        if(stationType.substr(0,2)=="ST"){
        id  = m_idHelperSvc->stgcIdHelper().channelID(stationType, stationEta, stationPhi, 
                                                                      multiLayer, gasGap, sTgcIdHelper::Strip, 1, is_valid);
        } else if(stationType.substr(0,2)=="MM"){
        id  = m_idHelperSvc->mmIdHelper().channelID(stationType, stationEta, stationPhi, 
                                                                      multiLayer, gasGap, 1, is_valid);
        } else {
            ATH_MSG_FATAL("Unknown station type "<<stationType);
            return StatusCode::FAILURE;
        }
 
        if (!is_valid) {
            ATH_MSG_FATAL("The Identifier identifier "<<stationType<<", "<<stationEta<<", "<<stationPhi
                        << ", "<<multiLayer<<", "<<gasGap<<" is invalid");
            return StatusCode::FAILURE;
        }
        
        sTGCAsBuiltData::Parameters pars;
        pars.offset = line["offset"];
        pars.rotation = line["rotation"];
        pars.scale = line["scale"];
        pars.nonPara = line["nonPara"];
 
        ATH_CHECK(asBuiltData.setParameters(id, pars));
    }
    return StatusCode::SUCCESS;
}
}