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root/cvsroot/UserCode/MitProd/TreeFiller/interface/BaseFiller.h
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Comparing UserCode/MitProd/TreeFiller/interface/BaseFiller.h (file contents):
Revision 1.4 by loizides, Fri Jun 20 17:52:57 2008 UTC vs.
Revision 1.9 by paus, Mon Jul 28 23:13:43 2008 UTC

# Line 12 | Line 12
12   #define TREEFILLER_BASEFILLER_H
13  
14   #include "FWCore/Framework/interface/Event.h"
15 #include "FWCore/ParameterSet/interface/ParameterSet.h"
15   #include "FWCore/Framework/interface/Frameworkfwd.h"
16 + #include "FWCore/ParameterSet/interface/ParameterSet.h"
17 + #include "FWCore/MessageLogger/interface/MessageLogger.h"
18 + #include "DataFormats/Common/interface/Handle.h"
19   #include "MitAna/DataUtil/interface/TreeWriter.h"
20  
21   namespace mithep
# Line 21 | Line 23 | namespace mithep
23    class BaseFiller
24    {
25      public:
26 <      BaseFiller(const edm::ParameterSet&, const char *name, bool active=true);
26 >      BaseFiller(const edm::ParameterSet &cfg, const char *name, bool active=true);
27        virtual ~BaseFiller() {}
28  
29        bool                     Active() const { return active_; }
30 <      virtual void             BookDataBlock(TreeWriter &tws)                           = 0;
31 <      virtual void             FillDataBlock(const edm::Event&, const edm::EventSetup&) = 0;
30 >      virtual void             BookDataBlock(TreeWriter &tws)                                = 0;
31 >      virtual void             FillDataBlock(const edm::Event &e, const edm::EventSetup &es) = 0;
32        const std::string       &Name()   const { return name_; }
33 <      virtual void             ResolveLinks(const edm::Event&, const edm::EventSetup&)  {}
33 >      virtual void             ResolveLinks(const edm::Event &e, const edm::EventSetup &es)    {}
34  
35      protected:
34      const std::string        name_;
35      const edm::ParameterSet  config_;
36      const bool               active_;
37
36        const edm::ParameterSet &Conf()   const { return config_; }
37 +      void                     PrintErrorAndExit(const char *msg) const;
38 +      template <typename TYPE>
39 +      void                     GetProduct(const std::string name, edm::Handle<TYPE> &product,
40 +                                          const edm::Event &event) const;    
41 +
42 +      const std::string        name_;    // name of this filler
43 +      const edm::ParameterSet  config_;  // parameter set for this filler
44 +      const bool               active_;  // =1 if active
45    };
46   }
47 +
48 + //--------------------------------------------------------------------------------------------------
49 + template <typename TYPE>
50 + inline void mithep::BaseFiller::GetProduct(const std::string edmname, edm::Handle<TYPE> &product,
51 +                                           const edm::Event &event) const
52 + {
53 +  // Try to access data collection from EDM file. We check if we really get just one
54 +  // product with the given name. If not we print an error and exit.
55 +
56 +  try {
57 +    event.getByLabel(edm::InputTag(edmname),product);
58 +    if (!product.isValid())
59 +      throw edm::Exception(edm::errors::Configuration, "BaseFiller::GetProduct()\n")
60 +        << "Cannot get collection with label " << edmname << std::endl;
61 +  } catch (...) {
62 +    edm::LogError("BaseFiller") << "Cannot get collection with label "
63 +                                << edmname << std::endl;
64 +    PrintErrorAndExit(Form("Cannot get collection with label %s", edmname.c_str()));
65 +  }
66 + }
67   #endif

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