use edm::ESWatcher to see if records change

Author: guitargeek

RecoEgamma/EgammaElectronAlgos/interface/ElectronSeedGenerator.h

@@ -35,6 +35,7 @@
 #include "FWCore/Framework/interface/EventSetup.h"
 #include "FWCore/Framework/interface/Event.h"
 #include "FWCore/Framework/interface/ESHandle.h"
+#include "FWCore/Framework/interface/ESWatcher.h"
 #include "FWCore/Framework/interface/EDConsumerBase.h"
 
 #include "TrackingTools/KalmanUpdators/interface/KFUpdator.h"
@@ -74,6 +75,8 @@ class ElectronSeedGenerator {
   const edm::EDGetTokenT<reco::BeamSpot> beamSpotTag_;
   const edm::ESGetToken<MagneticField, IdealMagneticFieldRecord> magFieldToken_;
   const edm::ESGetToken<TrackerGeometry, TrackerDigiGeometryRecord> trackerGeometryToken_;
+  edm::ESWatcher<IdealMagneticFieldRecord> magneticFieldWatcher_;
+  edm::ESWatcher<TrackerDigiGeometryRecord> trackerGeometryWatcher_;
 
   const float lowPtThresh_;
   const float highPtThresh_;
@@ -90,11 +93,6 @@ class ElectronSeedGenerator {
 
   const std::vector<const TrajectorySeedCollection*>* initialSeedCollectionVector_ = nullptr;
 
-  // keep cacheIds to get records only when necessary
-  unsigned long long cacheIDMagField_ = 0;
-  unsigned long long cacheIDCkfComp_ = 0;
-  unsigned long long cacheIDTrkGeom_ = 0;
-
   const bool useRecoVertex_;
 
   const float deltaPhi2B_;

RecoEgamma/EgammaElectronAlgos/src/ElectronSeedGenerator.cc

@@ -164,7 +164,9 @@ ElectronSeedGenerator::ElectronSeedGenerator(const edm::ParameterSet &pset,
                useRecoVertex_) {}
 
 void ElectronSeedGenerator::setupES(const edm::EventSetup &setup) {
-  matcher_.setES(setup.getData(magFieldToken_), setup.getData(trackerGeometryToken_));
+  if (magneticFieldWatcher_.check(setup) || trackerGeometryWatcher_.check(setup)) {
+    matcher_.setES(setup.getData(magFieldToken_), setup.getData(trackerGeometryToken_));
+  }
 }
 
 void ElectronSeedGenerator::run(edm::Event &e,

RecoEgamma/EgammaElectronProducers/plugins/ElectronSeedProducer.cc

@@ -72,7 +72,7 @@ ElectronSeedProducer::ElectronSeedProducer(const edm::ParameterSet& conf)
   auto theconsumes = consumesCollector();
 
   // new beamSpot tag
-  beamSpotTag_ = consumes<reco::BeamSpot>(conf.getParameter<edm::InputTag>("beamSpot"));
+  beamSpotTag_ = consumes(conf.getParameter<edm::InputTag>("beamSpot"));
 
   // for H/E
   applyHOverECut_ = conf.getParameter<bool>("applyHOverECut");
@@ -81,7 +81,7 @@ ElectronSeedProducer::ElectronSeedProducer(const edm::ParameterSet& conf)
     hcalCfg.hOverEConeSize = conf.getParameter<double>("hOverEConeSize");
     if (hcalCfg.hOverEConeSize > 0) {
       hcalCfg.useTowers = true;
-      hcalCfg.hcalTowers = consumes<CaloTowerCollection>(conf.getParameter<edm::InputTag>("hcalTowers"));
+      hcalCfg.hcalTowers = consumes(conf.getParameter<edm::InputTag>("hcalTowers"));
       hcalCfg.hOverEPtMin = conf.getParameter<double>("hOverEPtMin");
     }
     hcalHelper_ = std::make_unique<ElectronHcalHelper>(hcalCfg, consumesCollector());

RecoEgamma/EgammaElectronProducers/plugins/TrackingRegionsFromSuperClustersProducer.cc

@@ -172,15 +172,15 @@ TrackingRegionsFromSuperClustersProducer::TrackingRegionsFromSuperClustersProduc
   auto measTrackerEventTag = regionPSet.getParameter<edm::InputTag>("measurementTrackerEvent");
 
   if (useZInVertex_) {
-    verticesToken_ = iC.consumes<reco::VertexCollection>(verticesTag);
+    verticesToken_ = iC.consumes(verticesTag);
   } else {
-    beamSpotToken_ = iC.consumes<reco::BeamSpot>(beamSpotTag);
+    beamSpotToken_ = iC.consumes(beamSpotTag);
   }
   if (whereToUseMeasTracker_ != RectangularEtaPhiTrackingRegion::UseMeasurementTracker::kNever) {
-    measTrackerEventToken_ = iC.consumes<MeasurementTrackerEvent>(measTrackerEventTag);
+    measTrackerEventToken_ = iC.consumes(measTrackerEventTag);
   }
   for (const auto& tag : superClustersTags) {
-    superClustersTokens_.emplace_back(iC.consumes<std::vector<reco::SuperClusterRef>>(tag));
+    superClustersTokens_.emplace_back(iC.consumes(tag));
   }
 }
 

RecoLocalCalo/HGCalRecAlgos/interface/ClusterTools.h

@@ -9,8 +9,8 @@
 #include "DataFormats/HGCRecHit/interface/HGCRecHitCollections.h"
 #include "DataFormats/CaloRecHit/interface/CaloCluster.h"
 #include "DataFormats/ParticleFlowReco/interface/HGCalMultiCluster.h"
-#include "Geometry/Records/interface/IdealGeometryRecord.h"
 #include "Geometry/CaloGeometry/interface/CaloGeometry.h"
+#include "Geometry/Records/interface/CaloGeometryRecord.h"
 
 #include "FWCore/ParameterSet/interface/ParameterSet.h"
 #include "FWCore/Framework/interface/ConsumesCollector.h"