SubCollectionProducers/src/ClusterMultiplicityFilter.cc

0001 // -*- C++ -*-
0002 //
0003 // Package:    ClusterMultiplicityFilter
0004 // Class:      ClusterMultiplicityFilter
0005 //
0006
0007 //
0008 // Original Author:  Carsten Noeding
0009 //         Created:  Mon Mar 19 13:51:22 CDT 2007
0010 //
0011 //
0012
0013 // system include files
0014 #include <memory>
0015
0016 #include "RecoLocalTracker/SubCollectionProducers/interface/ClusterMultiplicityFilter.h"
0017 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0018 #include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
0019
0020 ClusterMultiplicityFilter::ClusterMultiplicityFilter(const edm::ParameterSet& iConfig)
0021     : maxNumberOfClusters_(iConfig.getParameter<unsigned int>("MaxNumberOfClusters")),
0022       clusterCollectionTag_(iConfig.getParameter<edm::InputTag>("ClusterCollection")),
0023       clusters_(consumes<edmNew::DetSetVector<SiStripCluster> >(clusterCollectionTag_)) {}
0024
0025 ClusterMultiplicityFilter::~ClusterMultiplicityFilter() {}
0026
0027 // ------------ method called on each new Event  ------------
0028 bool ClusterMultiplicityFilter::filter(edm::StreamID iID, edm::Event& iEvent, edm::EventSetup const& iSetup) const {
0029   bool result = true;
0030
0031   const edmNew::DetSetVector<SiStripCluster>* clusters = nullptr;
0032   edm::Handle<edmNew::DetSetVector<SiStripCluster> > clusterHandle;
0033   iEvent.getByToken(clusters_, clusterHandle);
0034   if (!clusterHandle.isValid()) {
0035     throw cms::Exception("CorruptData")
0036         << "ClusterMultiplicityFilter requires collection <edm::DetSetVector<SiStripCluster> with label "
0037         << clusterCollectionTag_.label() << std::endl;
0038   }
0039
0040   clusters = clusterHandle.product();
0041   const edmNew::DetSetVector<SiStripCluster>& input = *clusters;
0042
0043   unsigned int totalClusters = 0;
0044
0045   //loop over detectors
0046   for (edmNew::DetSetVector<SiStripCluster>::const_iterator DSViter = input.begin(); DSViter != input.end();
0047        DSViter++) {
0048     totalClusters += DSViter->size();
0049   }
0050
0051   if (totalClusters > maxNumberOfClusters_) {
0052     edm::LogInfo("ClusterMultiplicityFilter")
0053         << "Total number of clusters: " << totalClusters << " ==> exceeds allowed maximum of " << maxNumberOfClusters_
0054         << " clusters";
0055     result = false;
0056   }
0057
0058   return result;
0059 }
0060
0061 #include "FWCore/PluginManager/interface/ModuleDef.h"
0062 #include "FWCore/Framework/interface/MakerMacros.h"
0063 DEFINE_FWK_MODULE(ClusterMultiplicityFilter);