SiPixelESProducers/plugins/SiPixelTemplateDBObjectESProducer.cc

0001 // -*- C++ -*-
0002 //
0003 // Package:    SiPixelTemplateDBObjectESProducer
0004 // Class:      SiPixelTemplateDBObjectESProducer
0005 //
0006 /**\class SiPixelTemplateDBObjectESProducer SiPixelTemplateDBObjectESProducer.cc CalibTracker/SiPixelESProducers/plugin/SiPixelTemplateDBObjectESProducer.cc
0007
0008  Description: ESProducer for magnetic-field-dependent local reco templates
0009
0010  Implementation: Used inside the RecoLocalTracker/Records/TkPixelRecord to select the correct db for given magnetic field
0011 */
0012 //
0013 // Original Author:  D.Fehling
0014 //         Created:  Tue Sep 29 14:49:31 CET 2009
0015 //
0016 //
0017
0018 #include <memory>
0019
0020 #include "FWCore/Framework/interface/ESProducer.h"
0021 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0022 #include "FWCore/Utilities/interface/ESProductTag.h"
0023 #include "FWCore/Utilities/interface/do_nothing_deleter.h"
0024
0025 #include "FWCore/Framework/interface/ModuleFactory.h"
0026 #include "MagneticField/Engine/interface/MagneticField.h"
0027
0028 #include "CondFormats/SiPixelObjects/interface/SiPixelTemplateDBObject.h"
0029 #include "CalibTracker/Records/interface/SiPixelTemplateDBObjectESProducerRcd.h"
0030
0031 using namespace edm;
0032
0033 class SiPixelTemplateDBObjectESProducer : public edm::ESProducer {
0034 public:
0035   SiPixelTemplateDBObjectESProducer(const edm::ParameterSet& iConfig);
0036   std::shared_ptr<const SiPixelTemplateDBObject> produce(const SiPixelTemplateDBObjectESProducerRcd&);
0037
0038 private:
0039   edm::ESGetToken<MagneticField, IdealMagneticFieldRecord> magfieldToken_;
0040   edm::ESGetToken<SiPixelTemplateDBObject, SiPixelTemplateDBObjectRcd> templateToken_;
0041 };
0042
0043 SiPixelTemplateDBObjectESProducer::SiPixelTemplateDBObjectESProducer(const edm::ParameterSet& iConfig) {
0044   auto cc = setWhatProduced(this);
0045   cc.setMayConsume(
0046       templateToken_,
0047       [](const auto& get, edm::ESTransientHandle<MagneticField> iMagfield) {
0048         const GlobalPoint center(0.0, 0.0, 0.0);
0049         const float theMagField = iMagfield->inTesla(center).mag();
0050         if (theMagField >= -0.1 && theMagField < 1.0)
0051           return get("", "0T");
0052         else {
0053           if (theMagField >= 3.9 || theMagField < 3.65)
0054             edm::LogWarning("UnexpectedMagneticFieldUsingDefaultPixelTemplate") << "Magnetic field is " << theMagField;
0055           return get("", "");
0056         }
0057       },
0058       edm::ESProductTag<MagneticField, IdealMagneticFieldRecord>("", ""));
0059   magfieldToken_ = cc.consumes();
0060 }
0061
0062 std::shared_ptr<const SiPixelTemplateDBObject> SiPixelTemplateDBObjectESProducer::produce(
0063     const SiPixelTemplateDBObjectESProducerRcd& iRecord) {
0064   const GlobalPoint center(0.0, 0.0, 0.0);
0065   const float theMagField = iRecord.get(magfieldToken_).inTesla(center).mag();
0066
0067   const auto& dbobject = iRecord.get(templateToken_);
0068
0069   if (std::fabs(theMagField - dbobject.sVector()[22]) > 0.1)
0070     edm::LogWarning("UnexpectedMagneticFieldUsingNonIdealPixelTemplate")
0071         << "Magnetic field is " << theMagField << " Template Magnetic field is " << dbobject.sVector()[22];
0072
0073   return std::shared_ptr<const SiPixelTemplateDBObject>(&dbobject, edm::do_nothing_deleter());
0074 }
0075
0076 DEFINE_FWK_EVENTSETUP_MODULE(SiPixelTemplateDBObjectESProducer);