Go to the documentation of this file.00001 #ifndef CommonTools_UtilAlgos_ProductFromFwdPtrProducer_h
00002 #define CommonTools_UtilAlgos_ProductFromFwdPtrProducer_h
00003
00004
00014 #include "FWCore/Framework/interface/EDProducer.h"
00015 #include "FWCore/Framework/interface/Event.h"
00016 #include "FWCore/ParameterSet/interface/ParameterSet.h"
00017 #include "FWCore/Utilities/interface/InputTag.h"
00018 #include "DataFormats/Common/interface/View.h"
00019 #include "DataFormats/Common/interface/FwdPtr.h"
00020 #include "CommonTools/UtilAlgos/interface/FwdPtrConversionFactory.h"
00021 #include <vector>
00022
00023 namespace edm {
00024
00025
00026
00027 template < class T, class H = ProductFromFwdPtrFactory<T> >
00028 class ProductFromFwdPtrProducer : public edm::EDProducer {
00029 public :
00030 explicit ProductFromFwdPtrProducer( edm::ParameterSet const & params ) :
00031 src_ ( params.getParameter<edm::InputTag>("src") )
00032 {
00033 produces< std::vector<T> > ();
00034 }
00035
00036 ~ProductFromFwdPtrProducer() {}
00037
00038 virtual void produce(edm::Event & iEvent, const edm::EventSetup& iSetup) override {
00039
00040 edm::Handle< std::vector<edm::FwdPtr<T> > > hSrc;
00041 iEvent.getByLabel( src_, hSrc );
00042
00043 std::auto_ptr< std::vector<T> > pOutput ( new std::vector<T> );
00044
00045 for ( typename std::vector< edm::FwdPtr<T> >::const_iterator ibegin = hSrc->begin(),
00046 iend = hSrc->end(),
00047 i = ibegin; i!= iend; ++i ) {
00048 H factory;
00049 T t = factory(*i);
00050 pOutput->push_back( t );
00051 }
00052
00053
00054 iEvent.put( pOutput );
00055 }
00056
00057 protected :
00058 edm::InputTag src_;
00059 };
00060 }
00061
00062 #endif
1.7.3