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StatisticsSvc.h
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00001 /*
00002  *  StatisticsSvc
00003  *
00004  *  Provides 'Event Store' like access to ROOT objects (hist, graph, tree, etc.)
00005  *  - Data can be shared between algorithms.
00006  *  - Data is not cleared each event loop, so it can be used to collect
00007  *    statistics, fill trees, etc.
00008  *
00009  *  Created by Dan Dwyer on 2009/01/21
00010  */
00011 
00012 #ifndef DATASVC_STATISTICSSVC_H
00013 #define DATASVC_STATISTICSSVC_H
00014 
00015 #include "StatisticsSvc/IStatisticsSvc.h"
00016 #include "GaudiKernel/Service.h"
00017 #include <string>
00018 #include <vector>
00019 #include <map>
00020 
00021 class TFile;
00022 class HistMan;
00023 class IMessageSvc;
00024 
00025 class StatisticsSvc : public Service,
00026                       virtual public IStatisticsSvc
00027 {
00028  public:
00029   // Service interface implementation
00030   StatisticsSvc(const std::string& name, ISvcLocator *svc);
00031   ~StatisticsSvc();
00032   virtual StatusCode initialize();
00033   virtual StatusCode finalize();
00034   virtual StatusCode queryInterface(const InterfaceID& riid, 
00035                                     void** ppvInterface);
00036 
00037   // IStatisticsSvc interface implementation
00038 
00044   virtual StatusCode put(const std::string& path, TObject* object);
00047   virtual TObject* get(const std::string& path);
00049   virtual bool exists(const std::string& path);
00053   virtual std::vector<std::string> getContents(const std::string& path);
00057   virtual std::vector<std::string> getSubFolders(const std::string& path);
00058 
00060   
00063   virtual TH1F* getTH1F(const std::string& path);
00066   virtual TH2F* getTH2F(const std::string& path);
00069   virtual TH3F* getTH3F(const std::string& path);
00072   virtual TTree* getTree(const std::string& path);
00075   virtual TGraph* getGraph(const std::string& path);
00076 
00077  private:
00078   StatusCode checkOptions(std::string& handle, std::string& filename);
00079   StatusCode parsePath(const std::string& fullpath, std::string& top, 
00080                        std::string& rest);
00081   StatusCode reverseParsePath(const std::string& fullpath, 
00082                               std::string& rest, 
00083                               std::string& bottom);
00084   StatusCode getManager(const std::string& path, HistMan*& hm,
00085                         std::string& localPath, bool report = true);
00086   void dump();
00087   void dumpPath(const std::string& path, std::ostringstream& dumpStr);
00088 
00089  private:
00094   std::map<std::string,std::string> m_input;
00095 
00100   std::map<std::string,std::string> m_output;
00101 
00102   // Handle to message service
00103   IMessageSvc* m_msgSvc;
00104 
00105   // Map of all files by filename (myfile0.root, myfile1.root, etc.)
00106   std::map<std::string, TFile*> m_files;
00107 
00108   // Map of HistMan instances by logical name (path0, path1, etc.)
00109   std::map<std::string, HistMan*> m_histMan;
00110 
00111 };
00112 
00113 #endif  // DATASVC_STATISTICSSVC_H
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