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DataPointCompositeObject.cxx
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91 lines (78 loc) · 2.3 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#include "DetectorsDCS/DataPointCompositeObject.h"
using namespace o2::dcs;
ClassImp(DataPointCompositeObject);
namespace o2::dcs
{
template <typename T, o2::dcs::DeliveryType dt>
T getValueImpl(const DataPointCompositeObject& dpcom)
{
union Converter {
uint64_t raw_data;
T t_value;
};
if (dpcom.id.get_type() != dt) {
throw std::runtime_error("DPCOM is of unexpected type " + o2::dcs::show(dt));
}
Converter converter;
converter.raw_data = dpcom.data.payload_pt1;
return converter.t_value;
}
// only specialize the getValue function for the types we support :
//
// - double
// - float
// - uint32_t
// - int32_t
// - char
// - bool
//
// - string
template <>
double getValue(const DataPointCompositeObject& dpcom)
{
return getValueImpl<double, DeliveryType::RAW_DOUBLE>(dpcom);
}
template <>
float getValue(const DataPointCompositeObject& dpcom)
{
return getValueImpl<float, DeliveryType::RAW_FLOAT>(dpcom);
}
template <>
uint32_t getValue(const DataPointCompositeObject& dpcom)
{
return getValueImpl<uint32_t, DeliveryType::RAW_UINT>(dpcom);
}
template <>
int32_t getValue(const DataPointCompositeObject& dpcom)
{
return getValueImpl<int32_t, DeliveryType::RAW_INT>(dpcom);
}
template <>
char getValue(const DataPointCompositeObject& dpcom)
{
return getValueImpl<char, DeliveryType::RAW_CHAR>(dpcom);
}
template <>
bool getValue(const DataPointCompositeObject& dpcom)
{
return getValueImpl<bool, DeliveryType::RAW_BOOL>(dpcom);
}
template <>
std::string getValue(const DataPointCompositeObject& dpcom)
{
if (dpcom.id.get_type() != o2::dcs::DeliveryType::RAW_STRING) {
throw std::runtime_error("DPCOM is of unexpected type " + o2::dcs::show(dpcom.id.get_type()));
}
return std::string((char*)&dpcom.data.payload_pt1);
}
} // namespace o2::dcs