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#ifndef Shallow_Tree_h
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#define Shallow_Tree_h
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/** \class ShallowTree
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*
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* Makes a tree out of C++ standard types and vectors of C++ standard types
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*
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* This class, which is an EDAnalyzer, takes the same "keep" and
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* "drop" outputCommands parameter as the PoolOutputSource, making a
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* tree of the selected variables, which it obtains from the EDM
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* tree.
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*
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* See the file python/test_cfg.py for an example configuration.
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*
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* See the file doc/README for more detailed documentation, including
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* advantages, disadvantages, and use philosophy.
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*
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* $Date: 2008/08/07 $
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* $Revision: 1.0 $
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* \author Burt Betchart - University of Rochester <burton.andrew.betchart@cern.ch>
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*/
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/EDAnalyzer.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "PhysicsTools/UtilAlgos/interface/TFileService.h"
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#include <string>
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#include <vector>
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#include <TTree.h>
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class ShallowTree : public edm::EDAnalyzer {
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private:
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virtual void beginJob(const edm::EventSetup&);
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virtual void analyze(const edm::Event&, const edm::EventSetup&);
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virtual void endJob(){}
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class BranchConnector {
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public:
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virtual ~BranchConnector() {};
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virtual void connect(const edm::Event&) = 0;
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};
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template <class T>
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class TypedBranchConnector : public BranchConnector {
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private:
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std::string ml; //module label
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std::string pin; //product instance name
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T object_;
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T* object_ptr_;
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public:
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TypedBranchConnector(edm::BranchDescription const*, std::string, TTree*);
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void connect(const edm::Event&);
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};
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edm::Service<TFileService> fs;
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TTree * tree;
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std::vector<BranchConnector*> connectors;
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edm::ParameterSet pset;
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public:
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explicit ShallowTree(const edm::ParameterSet& iConfig) : pset(iConfig) {}
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enum LEAFTYPE {BOOL=1, BOOL_V,
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SHORT, SHORT_V, U_SHORT, U_SHORT_V,
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INT, INT_V, U_INT, U_INT_V,
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FLOAT, FLOAT_V, DOUBLE, DOUBLE_V,
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LONG, LONG_V, U_LONG, U_LONG_V };
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};
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#endif
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